QPU Manufacturers

Academia Sinica Quantum Computing Division

Taipei, Taiwan Company

Academia Sinica Quantum Computing Division, Taiwan's premier research institution, is developing superconducting quantum computers and introduced Taiwan's first 5-qubit system in 2024. The research institute combines fundamental physics research with quantum hardware development. Academia Sinica's quantum program is training Taiwan's quantum workforce and developing the scientific foundations for Taiwan's quantum computing industry, working closely with semiconductor companies to integrate quantum technologies with existing manufacturing capabilities.

Active Technologies S.r.l.

Treviso, Italy Company

Active Technologies is an Italian company manufacturing high-performance arbitrary waveform generators for quantum computing applications, including partnerships with Berkeley Nucleonics for North American distribution. The company designs and produces AWG systems used for quantum processor control, delivering the signal fidelity and timing precision required for quantum gate operations. Active Technologies brings European manufacturing expertise to the quantum control electronics supply chain, supporting the growing demand for quantum instrumentation.

Advanced Diamond Technologies

San Francisco, United States Company

Advanced Diamond Technologies (ADT) is a US materials company founded in 2003 that develops advanced diamond thin film materials and quantum-grade diamond products for quantum computing, quantum sensing, and quantum photonics applications, providing chemical vapor deposition (CVD) diamond films, diamond-on-insulator substrates, and custom diamond solutions with controlled nitrogen-vacancy centers and other quantum defects, serving quantum technology companies and research institutions with specialized diamond materials that enable quantum sensors, quantum memory devices, and quantum electronic applications requiring the exceptional properties of synthetic diamond for quantum information processing.

Advanced Research Systems

Macungie, United States Company

Advanced Research Systems designs and manufactures helium-free cryostats, flow cryostats, and cryogenic probe stations with temperature ranges from 1.5K to 800K for quantum research and materials science. Their probe stations feature fast vacuum pumping and sample exchange (130 minutes for 4-inch wafer), advanced probe thermalization enabling less than 5K sample temperatures, and configurations supporting magnetic fields up to 6T for quantum device testing. The company provides critical cryogenic infrastructure for quantum computing development and materials research.

Aegiq

London, United Kingdom Company

Aegiq is a UK-based full-stack photonic quantum computing company spun out from the University of Sheffield in 2019, developing secure quantum communications using III-V semiconductor-based quantum photonics chips manufactured with elements like Gallium, Indium, and Arsenic rather than traditional Silicon. The company secured £1.4 million in funding from Innovate UK and won a £30 million quantum testbed competition funded by the National Quantum Computing Centre to deliver Artemis, their compact photonic quantum computer. Building on over 20 years of world-class research in semiconductors and quantum science, Aegiq develops quantum technology for fiber-optic and satellite-based applications, focusing on secure quantum communications and photonic quantum computing with their dedicated user interface for integration with NQCC testbed ecosystem.

Aeluma

Goleta, United States Company

Aeluma is a Goleta, California-based semiconductor company founded in 2019, developing quantum dot laser technology for silicon photonics applications in quantum computing and communication. The company pioneered advanced semiconductor manufacturing techniques using high-performance compound semiconductor materials on large-diameter substrates for mass-market microelectronics. Aeluma joined AIM Photonics as full industry member to accelerate quantum dot laser integration onto silicon photonics platforms using 300mm MOCVD capability. In May 2025, Aeluma and Thorlabs unveiled breakthrough large-diameter wafer manufacturing platform for quantum computing and communication, incorporating quantum dot sources and highly nonlinear electro-optic materials. The company trades on OTCQB under ticker ALMU, serving AI infrastructure, defense, aerospace, automotive, AR/VR, mobile, and quantum computing markets with photonic integrated circuit solutions.

Aeponyx

Montreal, Canada Company

Aeponyx was a Montreal-based photonic integrated circuit (PIC) company founded in 2012, acquired by Pasqal on June 3, 2025. The company spent a decade in R&D developing its PIC platform combining Silicon Nitride (SiN) and Micro-Electro-Mechanical-Systems (MEMS) technologies, raising $22 million in venture capital. Aeponyx's PIC platform served telecom, datacom, life science, automotive, and quantum markets with applications requiring stable, precise optical control. The acquisition by Pasqal brought Aeponyx's 27-person team and intellectual property under CEO Philippe Babin's continued leadership, replacing delicate optical setups with chip-scale photonic circuits dramatically increasing stability of atom control and precision of individual qubit manipulation for Pasqal's neutral-atom quantum computers. Aeponyx strengthens Pasqal's photonic control capabilities accelerating development of fault-tolerant quantum computing systems.

Akhetonics

Munich, Germany Company

Akhetonics develops all-optical, reconfigurable processing units that function as quantum computers, analog processors, and digital processors. The technology claims 60x energy efficiency improvement and can be manufactured using legacy 90-250nm semiconductor nodes. November 2024: Raised €6 million seed funding led by Matterwave Ventures (total €8.3M including earlier €2.3M raise) to advance its cross-domain optical processor technology. 2025 Developments: Participating in SPOC project with Fraunhofer IZM (€400K funding from IBB, 2024-2026) for photonic computing advancement. Focus on developing general-purpose optical processors with quantum computing capabilities.

Alea Quantum Technologies

Copenhagen, Denmark Company

Alea Quantum is a Danish startup founded in March 2022, developing optical quantum random number generators (QRNG) based on over 20 years of research at Technical University of Denmark's quantum information group and bigQ research center. The company's QRNG uses laser diodes and detectors to form random numbers through measurements of vacuum fluctuations of laser light, providing 100% genuine random numbers at 4 gigabytes per second, faster and more secure than mathematical algorithm-based systems. Alea's technology measures 3 x 5 centimeters and has been tested by QTI (Quantum Telecommunication Italy) and Danske Bank for quantum-secured data transfer. The EU granted DKK 7 million under the Digital Europe programme for further development toward a chip-scale device integrating laser diode and detector on micrometer scale for mass market applications including mobile phones. DTU holds the patent for the technology. Alea Quantum serves cybersecurity and encryption technology vendors requiring ultra-secure random number generation.

Alice & Bob

❄️ Superconducting France

Alice & Bob is a Paris-based quantum computing startup pioneering cat qubit technology for fault-tolerant quantum computers. In January 2025, raised €100 million Series B led by Future French Champions (Qatar Investment Authority + Bpifrance partnership), with total funding reaching €130 million. May 2025: Announced $50 million advanced quantum laboratory in Paris with Quantum Machines and Bluefors - one of Europe's most advanced QPU development facilities. Will enable next-gen chip series: Lithium, Beryllium, and Graphene. September 2025: Plans to hire 100 new employees by mid-2026. November 2025: Named to Sifted's 'Future 50' (only quantum company on list) with 417% CAGR. Selected for French Tech Next40 in June 2025 (first quantum company in program) and France's PROQCIMA quantum initiative. Technology milestone: Boson 4 chip achieved 7+ minute bit-flip lifetime. Strategic goal: build useful quantum computer by 2030 using cat qubit technology requiring thousands vs millions of qubits for error correction.

Alpine Quantum Technologies

⚡ Trapped Ion Austria

Alpine Quantum Technologies develops trapped ion quantum computers and quantum simulators based on research from the University of Innsbruck, offering cloud-accessible quantum systems through their AQT quantum cloud platform for research institutions and companies working on quantum algorithms, optimization problems, and quantum simulation applications in materials science and chemistry. 2025 Developments: In August 2025, AQT led the QCDC Project, granting Europe cloud access to quantum computers.

Aluvia Photonics

Enschede, Netherlands Company

Aluvia Photonics is a pioneering provider of photonic integrated circuits based on proprietary aluminium oxide (AlOx/Al2O3) material platform, founded in 2022 as a University of Twente spin-off. The technology was developed over more than a decade at the University of Twente by cofounder Prof. Sonia Garcia Blanco and her research team. Aluvia's AlOx platform offers broad spectral range from 200 nm to mid-IR (~3 µm) covering UV, visible, and infrared applications, ultra-low propagation losses as low as ~1 dB/cm at 369 nm and ~5 dB/m at 1550 nm, and on-chip optical amplification through rare-earth ion doping (Er3+, Yb3+, Nd3+, Tm3+). Using 200mm CMOS-compatible materials, Aluvia ensures compatibility with established manufacturing infrastructure for cost-effective scalability. Applications include quantum computing (ion traps), advanced telecommunications, sensing, optical amplifiers, O-band switches, and biomedical fields. Aluvia provides turnkey solutions including multi-project wafers, dedicated runs, and custom process development.

Amazon Braket

❄️ Superconducting United States

In 2024-2025, Amazon Braket expanded significantly through partnerships and hardware additions. NVIDIA and AWS announced a collaboration to advance quantum computing research by integrating NVIDIA's quantum-classical computing platform, NVIDIA CUDA-Q, with Amazon Braket, allowing researchers to leverage hybrid quantum-classical workflows. IQM Quantum Computers made its 20-qubit quantum processing unit, IQM Garnet, available through Amazon Braket in the AWS Europe (Stockholm) Region, marking the first quantum processing unit available to AWS customers within the European Union in a self-service, on-demand model. IonQ announced continued collaboration with AWS, making IonQ's Forte system (delivering 36 algorithmic qubits) available on Amazon Braket. Amazon Braket continues to provide access to multiple quantum hardware providers including QuEra's 256-qubit Aquila neutral atom system, supporting the AQC25 conference bringing together stakeholders from MIT, Yale, USC, Google Quantum AI, and others.

American Magnetics

Oak Ridge, United States Company

American Magnetics Inc. (AMI) is an American manufacturer of superconducting magnet systems founded in 1968, headquartered in Oak Ridge, Tennessee. AMI provides superconducting magnets, cryogenic equipment, and magnet power supplies used in quantum computing research and quantum technology development. The company superconducting magnet systems enable precise magnetic field control required for quantum experiments, quantum materials research, and quantum device testing. AMI serves quantum computing companies, research universities, national laboratories, and quantum technology developers requiring high-performance superconducting magnets for quantum research and quantum processor development. The company contributes to quantum technology supply chain providing essential magnetic field control infrastructure for quantum computing hardware development and quantum physics experiments advancing practical quantum computer implementations.

AmpliTech Group

Bohemia, United States Company

AmpliTech Group, Inc. (Nasdaq: AMPG) is a designer, developer, and manufacturer of state-of-the-art signal processing components for satellite, Public and Private 5G, and quantum computing networks. In December 2024, AmpliTech announced successful development of proprietary low-noise cryogenic High Electron Mobility Transistor (HEMT) amplifiers for quantum computing, delivering working units to two Fortune 50 companies, universities, and research institutions. The amplifiers enable quantum computers to operate efficiently at extremely low temperatures of 4 Kelvin (-452°F), minimizing noise at ultra-low temperatures for accurate quantum signal detection. AmpliTech positions itself as the only high-performance U.S. manufacturer offering this critical component at 4K temperatures. The USPTO issued a Notice of Allowance for AmpliTech's patent application related to their cryogenic quantum computing solution. The amplifiers support development of scalable, error-corrected quantum computers crucial for advancing AI capabilities.

Analog Devices

Wilmington, United States Company

Analog Devices develops quantum control electronics and precision analog components for quantum computing applications, leveraging their expertise in high-performance analog and mixed-signal integrated circuits to create specialized electronics for quantum state control, measurement, and signal processing in quantum systems, providing essential electronic components and systems that enable precise manipulation and readout of qubits in various quantum computing platforms including superconducting, trapped ion, and photonic quantum computers.

Anametric

Austin, United States Company

Anametric is building quantum photonic chips for cybersecurity, serving as a key part of Leidos' DARPA QuANET program after six years of development. The Austin company develops integrated photonic quantum devices. Anametric's quantum photonic chips enable secure quantum communications and quantum key distribution, addressing cybersecurity needs for defense and critical infrastructure applications.

Anyon Systems

❄️ Superconducting Canada

Anyon Systems specializes in quantum hardware components and integration services, providing cryogenic systems, quantum device packaging, and custom quantum hardware solutions that enable researchers and companies to build and operate quantum computing systems with focus on practical implementation and system integration.

Anyon Technologies

Singapore, Singapore Company

Anyon Technologies is a Singapore-based large-scale quantum computing systems company founded in 2021 by pioneers from Singapore's A*STAR and leading US institutions including Caltech and UC Berkeley. The company develops advanced superconducting quantum processors, novel on-chip controls, microwave quantum networking architecture, and real-time dynamic control electronics. In July 2025, Anyon Technologies and BDx Data Centers launched Southeast Asia's first hybrid quantum AI testbed at BDx's SIN1 data center in Paya Lebar, Singapore, enabling startups, enterprises, and government agencies to explore quantum-enhanced AI applications. Anyon partnered with YQuantum to establish a European quantum testbed supporting application-driven research in AI, chemical engineering, and materials science. Anyon announced integration with NVIDIA CUDA-Q for hybrid quantum-classical computing. The company plans to expand hybrid quantum model across Asia including Indonesia, Hong Kong, and Taiwan.

AOSense

San Francisco, United States Company

AOSense is a US quantum sensing company founded in 2004 as a Stanford University spinout by Brenton Young and Mark Kasevich that develops atom-optic quantum sensors for inertial navigation, precision timing, and gravity measurement, commercializing cold atom interferometry technology for compact gravimeters, accelerometers, gyroscopes, and atomic clocks that achieve laboratory-grade performance in portable field-deployable systems, serving DARPA, NASA, Air Force, Army, Navy, and intelligence community with quantum sensors for geophysical surveying, precision navigation, resource exploration, and underground monitoring applications that leverage laser-cooled atoms as ultra-precise test masses for measuring gravitational and inertial forces.

AOSense Defense

Sunnyvale, United States Company

AOSense develops quantum inertial measurement units (IMUs) and gravimeters for GPS-denied navigation with Boeing partnership and Lockheed Martin contract work with Q-CTRL. The Sunnyvale company manufactures cold atom inertial sensors. AOSense's quantum sensors enable precision navigation for aircraft, ships, and submarines in environments where GPS is unavailable or unreliable, serving defense and aerospace applications.

AQSolotl

Singapore, Singapore Company

AQSolotl is an NTU and NUS spin-off that launched the CHRONOS-Q quantum controller in December 2024, bridging conventional computers with quantum systems. The company develops quantum control electronics that manage and orchestrate quantum computing operations. AQSolotl's CHRONOS-Q controller provides the critical interface between classical computing infrastructure and quantum processors, addressing scalability challenges in quantum computing by enabling efficient control of increasing numbers of qubits.

Aquabits

Waterloo, Canada Company

Aquabits develops scalable multiqubit trapped ion technology at a fraction of traditional costs for quantum computing. Inspired by the transport of water molecules in naturally occurring proteins called Aquaporins, Aquabits invented a novel, simple, and low-cost method to trap ions inside artificial water channels. This breakthrough method circumvents the need for bulky lasers and expensive micro-nano fabrication techniques, creating an unparalleled potential for a scalable multi-qubit system. Founded in December 2020 and spun out from the University of Waterloo's Institute for Quantum Computing, Aquabits aims to provide affordable quantum technology for all.

Aquark Technologies

Southampton, United Kingdom Company

Aquark Technologies is a UK National Quantum Technologies Programme spinout focused on high-precision measurement technology and quantum sensing. The company successfully demonstrated quantum sensing at sea in partnership with the Royal Navy. Aquark develops portable quantum sensors for navigation, timing, and gravimetry applications in defense, aerospace, and industrial sectors.

Arago

Paris, France Company

Arago is a French photonic-AI company that emerged from stealth in July 2025 with $26 million in seed funding co-led by Earlybird, Protagonist, and Visionaries Tomorrow. The company combines silicon photonics with free-space optics to create AI accelerators targeting 10x lower energy consumption than traditional GPUs. Arago ships a PyTorch-compatible software stack called CARLOTA, enabling seamless integration with existing AI workflows. The company's photonic computing approach leverages the speed of light for matrix operations, dramatically reducing both latency and power consumption for AI inference workloads. The founding team brings expertise from leading photonics and semiconductor companies, positioning Arago at the intersection of quantum photonics and practical AI acceleration.

Arctic Instruments

Helsinki, Finland Company

Arctic Instruments is a VTT spinout manufacturing near-quantum-limited superconducting microwave amplifiers for large-scale quantum computers. The company is the only manufacturer capable of supplying thousands of amplifiers with the required quality and consistency for 10,000+ qubit quantum systems. December 2024: Raised €2.35 million ($2.47M) seed funding led by Lifeline Ventures to scale production of superconducting amplifiers for quantum computing. 2025 Developments: Focus on scaling manufacturing capacity to meet growing demand from quantum computing companies. Key infrastructure provider for superconducting quantum processors requiring ultra-low noise amplification at millikelvin temperatures. Founded by Joonas Govenius (CEO).

Argonne National Laboratory

Lemont, United States research

Argonne National Laboratory is a USA national laboratory founded July 1, 1946, located in Lemont, Illinois, operated by University of Chicago for United States Department of Energy. Argonne pursues research spanning theory, algorithms, simulations, and modeling of quantum systems leveraging supercomputing resources and multi-qubit hardware platforms. The laboratory operates quantum computing testbeds integrating quantum processors with high-performance computing infrastructure enabling hybrid quantum-classical algorithms. Argonne conducts quantum computing research across superconducting qubits, quantum algorithms, quantum networking, and quantum simulation applications. The laboratory is one of five DOE National Quantum Information Science Research Centers with over 1,500 experts collaborating across quantum research initiatives. Argonne serves scientific research community, government agencies, and industry partners requiring quantum computing applications in chemistry, materials science, optimization, and machine learning advancing quantum computational advantage for national security and energy applications.

Arque Systems

Munich, Germany Company

Arque Systems is a German quantum technology company founded in 2020 that develops silicon-spin qubit infrastructure and quantum device components, specializing in the design and fabrication of silicon-based quantum systems that leverage semiconductor manufacturing processes for scalable quantum computing applications, providing essential infrastructure components and services for the quantum computing industry with focus on CMOS-compatible quantum devices and silicon spin qubit technology development.

Aselsan

Ankara, Turkey Company

Aselsan is Turkey's leading defense electronics company headquartered in Ankara that collaboratively developed QuanT, Turkey's first domestically produced quantum computer, with TOBB University of Economics and Technology (TOBB ETU). The 5-qubit system was unveiled on November 21, 2024, at the TOBB ETU Technology Center, marking Turkey as one of few countries with quantum computer technology. Aselsan and TOBB ETU established a quantum technologies research laboratory in 2022, supported by the Secretariat of Defence Industries (SSB). Vice President Cevdet Yılmaz described QuanT as historic for Turkey. Aselsan and TOBB ETU are establishing a Superconducting Chip Manufacturing Facility to enhance quantum computing technologies and enable domestic production of superconducting chips. QuanT operates millions of times faster than conventional computers, revolutionizing cryptography, AI, and optimization.

Atlantic Microwave

Braintree, United Kingdom Company

Atlantic Microwave is a British manufacturer and supplier of radio frequency (RF) and microwave components and equipment founded in 1989, located in Braintree, Essex, acquired by ETL Systems Ltd in January 2019. The company works with key players in cryogenic industry providing RF and microwave components operating down to cryogenic temperatures of 4K and below for quantum computing applications. Atlantic Microwave manufactures cryogenic low-noise amplifiers revolutionizing readout of quantum bits, operating in ultra-low temperature environments to increase signal-to-noise ratio in quantum read-out circuits. ETL Systems through Atlantic Microwave offers high-grade components for cutting-edge quantum technology research including low phase noise oscillators, multipliers, couplers, and cables designed to withstand rigorous conditions of cryostats. Atlantic Microwave serves quantum computing manufacturers, research institutions, and cryogenic equipment providers requiring RF components capable of operating at temperatures as low as 4K for quantum processor readout and control systems.

Atlantic Quantum

❄️ Superconducting United States

In October 2024, Google Quantum AI announced that the Atlantic Quantum team, an MIT-founded startup known for its tightly integrated hardware, will join Google. Atlantic Quantum brings a modular chip architecture that fuses qubits with superconducting control electronics on a single substrate, embedding control circuitry within the cold stage to eliminate bulky room-temperature wiring and reduce thermal load on the cryostat. This partnership signals a decisive step toward scaling superconducting qubit systems, a critical hurdle on the road to a fully error-corrected, real-world quantum computer. By adopting Atlantic Quantum's stack, Google can accelerate deployment of larger qubit arrays while keeping error rates within bounds required for surface-code error correction. The acquisition enables Google to leverage Atlantic Quantum's expertise in creating compact, high-density modules and integrating cryogenic electronics, which improves signal fidelity and allows for rapid iteration of qubit designs.

Atlas Technologies

Port Townsend, United States Company

Atlas Technologies specializes in bimetallic (dissimilar metal) joining technology for Ultra High Vacuum (UHV) and Extreme High Vacuum (XHV) applications essential for quantum computing. The company manufactures custom UHV/XHV chambers and bimetal components using proprietary techniques to bond aluminum, titanium, and other metals. Atlas vacuum chambers achieve outgassing rates below 1 x 10-13 Torr liter/sec cm² making them suitable for quantum science applications. Their products offer no magnetic impact, low hydrogen and carbon contamination, maximum thermal performance, and excellent vibration dampening. Quantum and cryogenic researchers worldwide rely on Atlas for developing chambers that meet exacting UHV/XHV criteria in quantum computing systems.

Atom Computing

⚛️ Neutral Atom United States

Atom Computing is a leader in neutral atom quantum computing based in Berkeley, California. Achieved breakthrough in November 2024 through Microsoft collaboration: record 24 logical qubits entangled and Bernstein-Vazirani algorithm on 28 logical qubits with live error correction. November 2025: Selected for DARPA Stage B of Quantum Benchmarking Initiative (up to $15M funding) for utility-scale quantum computing. July 2025: Denmark's EIFO and Novo Nordisk Foundation investing €80M in QuNorth to acquire 'Magne' quantum computer built by Atom Computing and Microsoft. World's first commercially available Level 2 system: 50 logical qubits, 1,200+ physical qubits. Operational by early 2027. August 2025: Appointed Jesper Kamp as Regional Director for Europe (Denmark office). September 2025: Using Colorado Quantum Incubator while expanding Boulder facility. Technology: 99.6% two-qubit gate fidelity, 1,000+ qubit systems with Microsoft Azure integration. Market positioning: neutral atom leader with Microsoft partnership and major European expansion.

AUREA Technology

Paris, France Company

AUREA Technology is a French company specializing in advanced quantum sensing and measurement technologies, developing precision instruments based on quantum physics principles for scientific, industrial, and defense applications. The company designs and manufactures quantum-enhanced sensors including atomic magnetometers, quantum gravimeters, and precision timing systems that leverage atomic and optical physics to achieve unprecedented measurement accuracy. AUREA's quantum sensing solutions serve applications in geophysical surveying, fundamental physics research, navigation systems, and industrial process monitoring, providing customers with quantum sensors that deliver superior performance compared to classical measurement technologies. The company combines expertise in atomic physics, laser technology, and precision engineering to develop quantum sensing systems for demanding applications requiring the highest levels of measurement precision and stability.

Baidu Quantum

🔌 Spin Qubit China

Baidu's Institute of Quantum Computing, established in 2018, operates offices in Silicon Valley, Seattle, and Beijing, developing quantum computing software, algorithms, and cloud services. The Chinese tech giant provides quantum computing as a service through Baidu Quantum (CLOSED January 2024) Platform, offers quantum programming frameworks and development tools, and focuses on quantum machine learning, optimization, and quantum chemistry applications for enterprise customers in the Chinese market.

Barber-Nichols

Arvada, United States Company

Barber-Nichols was founded in 1966 by Bob Barber and Ken Nichols as turbomachinery engineering company located in Arvada, Colorado, a suburb of Denver. The company manufactures vacuum jacketed extended shaft pumps, circulators, blowers, and compressors for use in cryogenic systems to optimize system performance. Since 1976 when Barber-Nichols designed and manufactured its first cryogenic pump, these custom-manufactured and engineered products have served broad range of demanding and sensitive applications. Barber-Nichols cryogenic pumps are used in physics research applications including CERN ATLAS detector pumping liquid helium coolant through superconducting magnetic coils. The company provides cryogenic pumping solutions for quantum computing systems requiring liquid nitrogen and liquid helium circulation at ultra-low temperatures. Barber-Nichols serves quantum computing manufacturers, physics research facilities, and cryogenic system providers requiring specialized pumps for dilution refrigerators and quantum processor cooling infrastructure.

BBN Technologies

Cambridge, United States Company

BBN Technologies (Raytheon BBN Technologies) is a high-technology research and development company based in Cambridge, Massachusetts, founded in 1948, conducting superconducting quantum computing research. BBN Technologies is recognized among companies conducting research in superconducting quantum computing alongside Google, IBM, Rigetti, and Intel. The organization developed quantum communication protocols and quantum networking technologies, contributing to early quantum key distribution systems and quantum network architectures. BBN Technologies, now part of Raytheon Technologies, conducts quantum computing research focused on quantum processors, quantum networking, and quantum algorithms. The company serves government agencies and research institutions requiring advanced quantum technologies for secure communications, quantum computing infrastructure, and quantum information processing applications.

BDx Data Centers

Singapore, Singapore Company

BDx Data Centers is a Singapore-based data center operator founded in 2012, launching Southeast Asia's first hybrid quantum AI testbed in July 2025 in collaboration with Anyon Technologies at its flagship SIN1 facility in Paya Lebar. The quantum AI testbed integrates Anyon's superconducting quantum computing system with BDx's cutting-edge data center infrastructure to support Singapore's Green targeting 2030 and Smart Nation objectives. The initiative enables startups, enterprises, and government agencies to explore quantum-enhanced AI applications. BDx and Anyon plan to expand the hybrid quantum model across key Asian markets including Indonesia, Hong Kong, and Taiwan, creating a region-wide network of quantum-enabled data centers. BDx Data Centers provides quantum computing infrastructure supporting Southeast Asia's quantum technology development and practical quantum computing applications for regional organizations.

Berkeley Nucleonics Corporation

San Rafael, United States Company

Berkeley Nucleonics Corporation produces the world's fastest 16-bit AWG (Model 685) for quantum computing with 6.16 GS/s sample rate and 110ps rise time, used for qubit control in research laboratories. The company manufactures high-performance arbitrary waveform generators, pulse generators, and timing instruments essential for quantum computing control systems. Berkeley Nucleonics' Model 685 AWG represents the state-of-the-art in quantum control electronics, enabling researchers to generate the precise, fast waveforms needed to manipulate quantum states with high fidelity.

Bita Quantum AI is a Montreal-based quantum technology company founded in 2021 that develops room-temperature quantum processors using proprietary plasmonic technology. Unlike traditional quantum computers that require extreme cooling, Bita's approach enables quantum computing at normal room temperatures, making quantum technology more accessible and practical for real-world applications. The company offers two flagship products: Q-Trash for certified secure data erasure using quantum random number generation, and Q-Vault for quantum-enhanced encryption. Bita Quantum AI won the IBM Quantum Prize and has been recognized for its innovative approach to making quantum computing accessible. The company's room-temperature operation eliminates the need for expensive cryogenic systems, potentially democratizing access to quantum computing technology.

Bleximo

❄️ Superconducting United States

Bleximo is a Berkeley-based quantum computing startup founded in 2017 developing application-specific quantum accelerators using superconducting qubits. Pioneering co-design methodology that tailors quantum processors, control hardware, and algorithms to solve specific high-value problems. December 2022: Announced expansion to Albany Nanotech Complex in New York State. December 2025: Profiled in QUBIT Semiconductor Market Research Report alongside IBM, Xanadu, and Atom Computing. Maintains collaboration with Lawrence Berkeley National Laboratory's Advanced Quantum Testbed (AQT). Patent-pending hybrid superconducting/photonic processor architecture targets 1,000+ qubits. Focus areas: finance, pharmaceuticals, logistics, and advanced materials through full-stack superconducting quantum computing platform.

Bluefors

Helsinki, Finland Company

Bluefors is a Finnish cryogenic technology company founded in 2008 by Rob Blaauwgeers and Pieter Vorselman that has become the global market leader in ultra-low temperature cooling systems for quantum computing, with over 1,500 systems installed worldwide including their flagship LD System and KIDE Cryogenic Platform supporting over 1,000 qubits, pioneering liquid-free dilution refrigerator technology that achieves 10 millikelvin temperatures through a five-stage cascade approach, serving as the industry standard for superconducting quantum computers with over 700 employees globally. November 2025: Bluefors unveiled next-generation dilution refrigerators with improved cooling capacity and reduced helium consumption, addressing sustainability concerns in quantum computing infrastructure. The company expanded manufacturing capacity to meet growing demand from quantum computing companies scaling to higher qubit counts. 2025 Developments: Partnership with Linde continues for large-scale quantum computing cooling solutions. Launched enhanced cooling systems with doubled 4K cooling power and high-density flex wiring for high qubit count applications. Expanded global service network to support growing installed base of cryogenic systems.

Blueqat Inc.

Tokyo, Japan Company

blueqat is a Japanese quantum computing startup partnering with the Institute for Molecular Science to develop Japan's first cold neutral atom quantum computers with commercialization targeted by 2024. The company combines quantum hardware development with open-source quantum software tools to advance quantum computing accessibility in Japan. blueqat is part of Japan's national strategy to achieve quantum computing independence through domestic cold atom technology.

Bose Quantum

Beijing, China Company

Bose Quantum develops quantum computing hardware and photonic quantum technologies based in China. The company focuses on practical quantum computing solutions and quantum communication systems, representing China's growing quantum technology ecosystem with emphasis on commercializing quantum hardware for industrial and research applications.

Broadcom

San Jose, United States Company

Broadcom develops quantum photonics components and integrated photonic solutions for quantum computing and quantum communication applications, leveraging their semiconductor and photonics expertise to create specialized components including quantum light sources, photonic integrated circuits, and optical components essential for photonic quantum systems, providing the foundational photonic infrastructure needed for scalable photonic quantum computing, quantum networking, and quantum sensing applications through advanced silicon photonics technology.

Brookhaven National Laboratory

Upton, United States research

Brookhaven National Laboratory is a USA national laboratory founded in 1947, located in Upton, New York, operating under United States Department of Energy. Brookhaven leads Co-design Center for Quantum Advantage (C2QA), one of five DOE National Quantum Information Science Research Centers established in 2020, directed by Andrew Houck. C2QA brings together experts to co-design quantum hardware, software, and algorithms to achieve quantum advantage. The laboratory conducts quantum computing research spanning superconducting qubits, quantum algorithms, quantum networking, and quantum sensors. Brookhaven operates quantum computing testbeds and collaborates with over 1,500 experts across 115 academic, industry, and national science institutions. The laboratory serves quantum computing research community, government agencies, and industry partners requiring fundamental quantum research, quantum algorithm development, and quantum hardware co-design advancing towards practical quantum advantage for scientific applications in physics, chemistry, materials science, and national security.

C12

🔌 Spin Qubit France

C12 Quantum Electronics develops quantum processors using ultra-pure carbon nanotubes as qubits, founded by twin brothers Matthieu and Pierre Desjardins as École Normale Supérieure spinoff. 2025: Achieved record-breaking 1.3 microsecond coherence times - exceeding silicon quantum dots by 100x and establishing new benchmark for solid-state systems. Five-qubit chip targeted for release by end of 2025 with expected >99% gate fidelities. Pathway to 50+ qubit systems by 2027-2030. Partnered with CEA to develop next-gen multi-qubit chips at wafer scale. Received EU HiFiQC (High-Fidelity Quantum Computing) HORIZON grant. Operates Quantum Fab in Paris - unique quantum processor production line with cleanroom. 45 employees (22 PhDs, 18 nationalities). Total funding: €29.3M from 360 Capital, Varsity Ventures, Verve Ventures, EIC Fund, Airbus Ventures, BNP Paribas.

C2MI

Bromont, Canada Company

C2MI (MiQro Innovation Collaborative Centre) is Canada's leading hub for innovation in MEMS and semiconductor packaging founded November 1, 2011, with official inauguration July 2012, based in Bromont, Québec. C2MI is expanding into quantum chip manufacturing with new quantum fabrication facility dedicated to superconducting quantum chips expected operational targeting 2026. The facility features PVD system with unique capabilities essential for creating highly precise and reliable components for superconducting quantum circuits including Josephson Junctions, foundational element of quantum processors. Anyon Systems signed MOU with C2MI confirming collaboration in developing industrial-grade quantum fabrication facility. C2MI partnership with Nord Quantique provides industrial-grade fabrication for superconducting qubits. C2MI serves Canadian quantum computing manufacturers requiring industrial-scale superconducting qubit fabrication with advanced semiconductor packaging capabilities supporting quantum processor development and quantum computing hardware manufacturing.

Caltech

⚛️ Neutral Atom United States

California Institute of Technology is a private research university founded September 23 1891 located in Pasadena California prominent leader in quantum research through Institute for Quantum Information and Matter focusing on theoretical and experimental aspects of quantum information science including quantum computation and quantum many-body physics. In September 2025, Caltech scientists built a record-breaking array of 6,100 neutral-atom qubits, announced on September 25, 2025, representing a critical step toward powerful error-corrected quantum computers and demonstrating Caltech's leadership in neutral atom quantum computing technology. The upcoming Dr. Allen and Charlotte Ginsburg Center for Quantum Precision Measurement set to open in 2025 will bolster capabilities uniting quantum research disciplines. Caltech conducts quantum research spanning quantum algorithms quantum error correction quantum materials quantum sensors quantum networks and quantum simulation. The university quantum programs have produced numerous breakthrough discoveries and quantum technology spinouts including PINC Technologies serving quantum research community through fundamental quantum research and quantum education programs.

CAN Superconductors

Prague, Czech Republic Company

CAN Superconductors s.r.o. is a Czech manufacturer of superconducting materials and components serving quantum computing and other advanced technology sectors. The company produces superconducting wires, tapes, and materials essential for quantum computing systems requiring ultra-low temperature superconducting components. CAN Superconductors manufactures High Temperature Superconductor (HTS) materials used in quantum computing infrastructure including superconducting qubits, quantum interconnects, and cryogenic systems. As a European superconductor manufacturer, CAN Superconductors serves quantum computing companies, research institutions, and cryogenic equipment manufacturers requiring high-quality superconducting materials. The company provides custom superconducting solutions for quantum processors, quantum communication systems, and quantum sensing applications demanding superior superconducting performance at cryogenic temperatures.

CAS Cold Atom (中科酷原) is a Wuhan-based quantum computing company founded in 2020, developing neutral atom quantum computers based on technology from the Chinese Academy of Sciences. The company released 'Hanyuan-1' (寒原一号), one of China's first commercial neutral atom quantum computing systems. CAS Cold Atom focuses on scalable neutral atom quantum processors using optical tweezers and laser cooling techniques to trap and manipulate individual atoms as qubits. The company represents China's efforts to commercialize neutral atom quantum computing technology, competing with international players in this promising qubit modality known for its potential scalability and long coherence times. 2025 Developments: The company continues to advance its neutral atom quantum computing technology in 2025, focusing on increasing qubit counts and improving gate fidelities for practical quantum computing applications.

CatQ

Canberra, Australia Company

CatQ is a spinout from The Australian National University tackling error correction in quantum computing with breakthrough technology that pre-emptively corrects optical quantum errors. The company's approach boosts quantum computing performance up to 1,000x by implementing advanced error correction schemes for photonic quantum computers. CatQ focuses on developing fault-tolerant optical quantum computing systems for practical applications.

CCRAFT

Neuchâtel, Switzerland Company

CCRAFT is a Swiss-based photonic chip foundry launched in April 2025 as a CSEM spin-off, committed to advancing thin-film lithium niobate (TFLN) technology for scalable, high-volume manufacturing. CCRAFT is the world's first production-ready pure-play foundry offering chips based on TFLN technology, built on over six years of pioneering R&D at CSEM (Swiss Center for Electronics and Microtechnology). CEO and founder Hamed Sattari leads the company headquartered in Neuchâtel. TFLN chips promise up to 8 times higher speed and consume up to 10 times less energy than conventional optical components, enabling data transmission beyond 1.6 Tbit/s. CCRAFT manufactures photonic integrated circuits for optical communication, AI data centers, and quantum technologies. With planned expansion in Neuchâtel, CCRAFT aims to reach 12 million chips annual output by targeting 2030, targeting up to 30% of the global market for high-speed photonic circuits.

Cerca Magnetics

Montreal, Canada Company

Cerca Magnetics is a Canadian quantum sensing company developing optically pumped magnetometers for medical imaging and geophysical exploration. The company manufactures OPM sensors based on atomic vapor cells that detect extremely weak magnetic fields. Cerca Magnetics targets medical applications including magnetoencephalography (MEG) for brain imaging, as well as geophysical applications for mineral exploration and archaeological surveying where ultra-sensitive magnetic field detection provides valuable measurement capabilities.

CETQAP

Islamabad, Pakistan Company

CETQAP (Centre of Excellence for Technology Quantum and Artificial Intelligence Pakistan) is based in Islamabad, positioning Pakistan at forefront of global technological advancements by fostering innovation, research, and education in quantum computing and artificial intelligence. In May 2024, CETQAP revealed blueprints for QQ1 (Quaid Quantum 1) marking Pakistan's entry into quantum computing realm, boasting 400 qubits with immense potential to revolutionize computation, encryption, and optimization tasks. The QQ1 project is spearheaded by Dr. Zuhair Ahmed, Pakistan's foremost quantum physicist, and dedicated team spanning across Canada and Pakistan. CETQAP developed BARQ, Pakistan's first quantum software framework meaning 'lightning' in Urdu. CETQAP offers education, research, internships, consulting, skill development, startup incubation, and outreach in quantum computing and AI, leading IYQ 2025 Pakistan initiative celebrating International Year of Quantum by fostering awareness, collaboration, and innovation in quantum science and technology.

Chipiron

Paris, France Company

Chipiron develops advanced quantum chip technology and semiconductor solutions for quantum computing applications, focusing on the design and fabrication of quantum devices with improved performance characteristics and integration capabilities for next-generation quantum processors and quantum systems.

Circor

Burlington, United States Company

Circor International is a Massachusetts-based manufacturer founded in 1999, providing cryogenic valves, vacuum insulated products, cryogenic filters, and complex vacuum insulated piping systems for quantum computing and aerospace applications. The company manufactures specialized cryogenic components for ultra-low temperature systems including dilution refrigerators used in quantum computing. Circor's cryogenic valves and vacuum-insulated piping systems enable precise control of cryogenic fluids in quantum processor cooling infrastructure operating at millikelvin temperatures. The company's products support quantum computing cryogenic systems requiring reliable fluid management for liquid helium and liquid nitrogen cooling. Circor serves quantum computing manufacturers, aerospace companies, research laboratories, and cryogenic equipment providers requiring high-performance cryogenic valves and vacuum-insulated components for quantum processors, superconducting systems, and ultra-low temperature research applications. Circor's cryogenic expertise supports quantum computing infrastructure requiring specialized fluid handling at extreme temperatures.

Cisco Quantum Labs

Santa Monica, United States research

Cisco Quantum Labs is Cisco Systems Inc.'s quantum networking research division established in Santa Monica and San Jose facilities, founded in 2021. In May 2025, Cisco formally opened its Quantum Labs facility in Santa Monica, unveiling industry-first quantum technologies including network-aware distributed quantum compiler enabling quantum algorithms across multiple networked processors, vendor-agnostic quantum networking framework, and prototype quantum entanglement chip developed with UC Santa Barbara generating one million entangled photon pairs per second at room temperature. Cisco's quantum networking vision accelerates practical quantum computing applications from decades to 5-10 years, creating foundation for quantum internet. In September 2025, Cisco expanded its quantum networking software portfolio with enhanced network orchestration capabilities for quantum key distribution (QKD) networks, enabling enterprise-grade quantum-safe communications infrastructure and integration with existing network management systems for hybrid classical-quantum network deployments. Cisco Quantum Labs serves telecommunications operators, enterprises, government agencies, and cloud providers requiring quantum networking infrastructure.

Classiq

תל־אביב–יפו, Israel Company

Classiq is an Israeli quantum software company building 'the Microsoft of quantum computing' with hardware-agnostic platform. May 2025: Raised $110M Series C (largest-ever quantum software round) led by Entrée Capital. July 2025: SoftBank Vision Fund 2 investment. November 2025: Strategic up-round from AMD Ventures, Qualcomm Ventures, IonQ bringing total to $200M+. Tripled customer base and revenues YoY. Customers: BMW, Citi, Deloitte, Rolls-Royce, Mizuho, Toshiba. AWS Marketplace availability (Nov 4). Partnership with BQP/NVIDIA for CFD simulations. Named Fast Company 'Next Big Thing in Tech 2025'. Market positioning: leading quantum software layer with strong enterprise adoption and strategic backing from major tech and quantum companies.

Co-design Center for Quantum Advantage (C2QA)

Upton, United States research

The Co-design Center for Quantum Advantage (C2QA) is a U.S. Department of Energy National Quantum Information Science Research Center led by Brookhaven National Laboratory. C2QA focuses on co-designing quantum algorithms and hardware to achieve quantum advantage. November 2025: DOE renewed C2QA funding with $125 million over five years. The center develops superconducting and diamond-based quantum devices, quantum software, and algorithms for scientific applications. C2QA brings together researchers from national labs including Brookhaven, universities including MIT and Yale, and industry partners to advance quantum computing capabilities.

Coherent

Saxonburg, United States Company

Coherent is a vertically integrated supplier of lasers, photonic devices, and laser measurement systems for communications, electronics, and instrumentation markets. The company manufactures silicon photonics, VCSEL arrays, lenses, filters, isolators, laser sources, and measurement equipment serving quantum photonics applications, industrial processing, and optical networking. Coherent provides comprehensive coherent transceivers and modules for global communications networks and quantum systems. The company was formed through the 2022 merger of II-VI and Coherent Inc.

ComPro

Istanbul, Turkey Company

ComPro is a prominent Istanbul-based IT system integrator specializing in high-performance computing (HPC) with expanding focus on quantum computing, headed by Abdurrahman Keklik. The company pursues a dual quantum strategy: short-term importation of IBM Quantum System Two to provide quantum services, while developing Turkey's first indigenous quantum computer prototype for long-term technological independence. ComPro aims to produce the first prototype of the Turkish quantum computer before Turkey's TEKNOFEST technology festival. As global protectionism increases, ComPro stresses the importance of localizing quantum technology, collaborating with international partners while simultaneously working on fully indigenous quantum computer development. The company positions Turkey to become self-sufficient in quantum computing capabilities.

Conductor Quantum

San Francisco, United States Company

Conductor Quantum is a quantum computing startup building quantum computers on silicon chips using AI-powered qubit fabrication methods. Founded in 2024 by Brandon Severin (CEO) and Joel Pendleton (CTO), both Oxford University PhD researchers, the company was accepted into Y Combinator's Summer 2024 batch (YC S24). Conductor Quantum's breakthrough innovation is AI software that creates qubits 1,000 times faster than current methods, dramatically accelerating the development cycle for silicon-based quantum processors. CEO Brandon Severin developed AI for quantum computing in silicon during his PhD at Oxford, while CTO Joel Pendleton studied physics at UCL before dropping out of his Oxford PhD to co-found the company. The company focuses on making quantum computing more accessible and manufacturable by leveraging existing semiconductor fabrication infrastructure combined with advanced AI optimization techniques. Conductor Quantum represents the next generation of quantum hardware startups combining quantum physics with artificial intelligence to solve critical scaling challenges in quantum computing development.

Cornell University

Ithaca, United States research

Cornell University is a private Ivy League research university founded in 1865, located in Ithaca, New York. Cornell conducts advanced quantum research advancing quantum materials quantum computing and quantum technologies. The university excels in quantum materials science superconducting devices and quantum hardware development. Cornell researchers contribute to quantum algorithms quantum error correction and quantum applications. The university has produced quantum technology spinouts and maintains strong quantum industry partnerships. Cornell serves quantum research community through quantum research quantum education and technology transfer advancing quantum information science and quantum materials development supporting USA quantum technology leadership.

Creotech Instruments

Warsaw, Poland Company

Creotech Instruments is Poland's leading space technology company founded in 2012 by CERN alumni, developing quantum computing control electronics and quantum telecommunications systems. The company is one of only a few worldwide developing controls for quantum computers, selected by the European High Performance Computing Joint Undertaking (EuroHPC JU) for the EU's first distributed network of large quantum computers, a €100 million project. Creotech's Sinara line ion trap products are critical elements of quantum computer control systems built under AQTION as part of the Quantum Flagship initiative funded by the European Commission. The company employs approximately 200 people and is listed on the Warsaw Stock Exchange, contributing to Poland's emerging quantum ecosystem with quantum computer control systems and telecommunications technologies.

Cryocomp

Kenilworth, United States Company

Cryocomp is the valves division of parent company Cryofab Inc., with history beginning with 1994 founding of DLH Industries, acquired by Cryofab Inc. in December 2014. Cryofab was founded in 1971 as global leader in design and supply of cryogenic dewars, storage vessels, and transfer systems. Cryocomp specializes in vacuum insulated equipment for safe and efficient transfer of liquid nitrogen, helium, argon, oxygen, and hydrogen. The company manufactures liquid nitrogen valves, liquid helium valves, and cryogenic solenoid valves essential for quantum computing cryogenic infrastructure. Cryocomp located in Kenilworth, New Jersey, provides cryogenic valve solutions for ultra-low temperature applications in quantum processors requiring liquid helium cooling systems. Cryocomp serves quantum computing manufacturers, research laboratories, and cryogenic system providers requiring specialized valves for dilution refrigerators and quantum computing cryogenic infrastructure operating at millikelvin temperatures.

CryoConcept, an Air Liquide affiliate since 2020, designs and builds ultra-low temperature dilution refrigerator systems capable of reaching temperatures below 10mK. Founded in 2000 as a spin-off from CEA (French Alternative Energies and Atomic Energy Commission), the company specializes in cryogenic infrastructure essential for superconducting quantum computers. CryoConcept's unique Ultra Quiet Technology (UQT) reduces vibrations across the entire cryostat, providing highly stable experimental environments. Their product range includes HEXA-DRY cryogen-free and HEXA-WET liquid helium dilution refrigerators, with the HEXA-DRY XXL Solutions specifically designed for quantum computing applications. The company employs specialists in deep refrigeration using helium-3/helium-4 dilution technology, serving research institutions and quantum computing companies worldwide requiring millikelvin operating temperatures.

Cryomagnetics

Oak Ridge, United States Company

Cryomagnetics Inc. is a leading manufacturer of superconducting magnet systems and cryogenic equipment founded in 1969, based in Oak Ridge, Tennessee, serving quantum computing and scientific research markets. The company manufactures superconducting magnets, cryostats, and cryogenic systems essential for quantum computing applications requiring ultra-low temperatures and high magnetic fields. Cryomagnetics provides superconducting magnet solutions for quantum processors, quantum sensing systems, and quantum research requiring precise magnetic field control at cryogenic temperatures. The company's products support superconducting qubit systems, trapped ion quantum computers, and quantum sensing applications. Cryomagnetics serves quantum computing manufacturers, national laboratories, universities, and research institutions requiring reliable superconducting magnet systems and cryogenic infrastructure for quantum technology development and quantum physics research.

Crypto Quantique

London, United Kingdom Company

Crypto Quantique is a UK quantum security company founded in 2016 that develops quantum-driven IoT security solutions using quantum tunneling effects in semiconductor devices to generate unique cryptographic keys and device identities, providing hardware-based quantum random number generation and quantum-enhanced security for Internet of Things devices, edge computing systems, and connected infrastructure, enabling secure device authentication, encrypted communications, and tamper-resistant security solutions for smart cities, automotive, industrial IoT, and consumer electronics applications requiring quantum-grade security at scale.

Crypto4A

Ottawa, Canada Company

Crypto4A is a Canadian cybersecurity firm developing quantum-safe hardware security modules (HSMs) and integrated cryptographic platforms for enterprises and government agencies. Their flagship product QxHSM provides quantum-safe and crypto-agile hardware security solutions addressing evolving fundamental security threats. The company focuses on secure manufacturing and Industry 4.0 applications with $3.75M repayable contribution from Canada's Federal Economic Development Agency for Southern Ontario as part of a $7.5M Quantum-Safe Secure Manufacturing Initiative.

Cutting Edge Superconductors

Los Alamos, United States Company

Cutting Edge Superconductors Inc. is a USA-based manufacturer of high-quality superconducting materials and components for quantum computing and advanced technology applications. The company specializes in production of superconducting wires, tapes, and materials used in quantum computing systems, cryogenic electronics, and superconducting circuits. Cutting Edge Superconductors manufactures High Temperature Superconductor (HTS) and Low Temperature Superconductor (LTS) materials essential for quantum processors, superconducting qubits, and quantum computing infrastructure. The company provides custom superconducting solutions for quantum computing manufacturers requiring precision superconducting materials with superior performance characteristics. Cutting Edge Superconductors serves quantum technology companies, research laboratories, and cryogenic system manufacturers needing high-performance superconducting components for quantum computing, quantum sensing, and superconducting electronics applications.

D-Wave

❄️ Superconducting Canada

D-Wave is the pioneer of commercial quantum annealing systems, publicly traded on NYSE (QBTS). The company completed a $400 million ATM equity offering in Q2 FY 2025, achieving record cash balance of $836.2 million. Q3 FY 2025 revenue reached $3.7M (+100% YoY), with YTD revenue of $21.8M (+235% YoY). Stock rose 220%+ in 2025. December 2025: Announced Qubits 2026 quantum computing user conference (January 27-28, 2026, Boca Raton, FL) featuring speakers from Anduril, AT&T, Davidson Technologies, Lighthouse DIG, North Wales Police, PolarisQB, Q-Alliance, Quantum Coast Capital, TECNALIA, and Unissant. Created dedicated U.S. Government Business Unit led by Jack Sears Jr. (VP of U.S. Government Solutions) with 25+ years defense/aerospace experience for federal contracts and secure systems meeting government requirements. FY 2024 bookings exceeded $23 million (+120% YoY), including €10M Q4 booking for 50% Advantage2 capacity in Italy. Demonstrated quantum computational supremacy on real-world problems (Science journal). November 2025: Advantage2 quantum computer deployed at Davidson Technologies (Huntsville, AL) for U.S. government and national defense applications. BASF partnership: hybrid-quantum application reduced manufacturing scheduling from 10 hours to 5 seconds with 14% reduction in lateness. Major partnerships: BASF, E.ON, GE Vernova, UK NQCC, Nikon, NTT Data, NTT DOCOMO, Sharp Corporation, University of Oxford. Market positioning: practical quantum advantage for optimization, strong government focus. Analyst rating: Strong Buy.

Delft Circuits

Amsterdam, Netherlands Company

Delft Circuits is a Dutch quantum technology company founded in 2017 as a QuTech spinout that specializes in manufacturing high-performance cryogenic quantum cables and interconnects essential for quantum computing systems. The company's core product, Cri/oFlex® cabling, provides low-noise, high-fidelity signal transmission solutions that enable precise control and readout of qubits in dilution refrigerators. December 2025: Appointed Martin Danoesastro as CEO and secured €8M Series A extension, bringing total funding to €15M. Investment will accelerate product innovation and expand manufacturing capacity for Cri/oFlex® cabling. Delft Circuits serves quantum computing companies worldwide with critical infrastructure components that maintain signal integrity at millikelvin temperatures required for superconducting quantum processors.

Delta g

Birmingham, United Kingdom Company

Delta g is a University of Birmingham spinout developing quantum gravity sensor technology using patented hourglass quantum gravity gradiometer with stacked atom interferometers and rubidium atoms. September 2025: Secured £4.6M oversubscribed seed round led by Serendipity Capital with NSSIF and SCVC participation. March 2025: Delivered first next-generation sensor to UK Department for Transport. 2025: Won Institute of Physics qBIG Prize for world's first field-deployable quantum gravity gradiometer. Technology enables underground mapping, critical infrastructure monitoring, and GPS-denied navigation. Applications include construction planning, resource exploration, sinkhole detection before formation, and locating underground utilities. Founded by Prof. Mike Holynski, Jonathan Winch, and Dr. Andrew Lamb. CEO: Tony Lowe.

DeteQt

Sydney, Australia Company

DeteQt is a University of Sydney spinout developing diamond-on-silicon quantum magnetometers for GPS-denied navigation, mineral detection, and portable medical imaging applications. The company's technology leverages nitrogen-vacancy (NV) centers in diamond integrated with silicon photonics for compact, high-sensitivity magnetic field sensing. March 2025: Secured $750K pre-seed funding from Main Sequence Ventures and ATP Fund, plus $3M contract from Australian Defence Force for navigation applications.

DiaSense

Copenhagen, Denmark Company

DiaSense is a 2024 spinout from Technical University of Denmark (DTU) developing quantum diamond magnetic microscopes using nitrogen-vacancy (NV) centers for semiconductor chip failure analysis and microscopic-level diagnostics. 2024: Founded by Alexander Huck, Ulrik L. Andersen, Marvin Holten (CTO), and Christian Stig Dalsgaard Nielsen (CEO). Joined Danish Quantum Community as partner. Accepted into BII (Danish quantum technology accelerator). Technology enables contactless chip failure analysis revealing magnetic field patterns invisible to traditional techniques. Applications: neurodegenerative disease diagnosis, semiconductor failure analysis, materials science. Non-destructive testing of semiconductor devices and integrated circuits. Currently pre-revenue, seeking first funding round.

Diatope

Ulm, Germany Company

Diatope is a spin-off from Ulm University that manufactures engineered diamond materials with NV (nitrogen-vacancy) centers for quantum sensing and quantum computing applications. The company operates the world's first production line for quantum diamond 'Made in Germany,' centralizing all necessary processing steps including CVD diamond growth, ion implantation, and high-temperature annealing. Diatope participates in BMBF-funded DIAQUAM project and multiple EU-funded quantum initiatives including PROMISE and AMADEUS.

Dimira Technologies

Mumbai, India Company

Dimira Technologies Pvt. Ltd. is a Mumbai-based quantum hardware company incubated at IIT Mumbai (IIT Bombay), recognized and selected for facilitating technological development under India's National Quantum Mission. The company focuses on indigenous development of cryogenic radio frequency cables for quantum computing and other applications, critical components for maintaining the low-temperature environments required for quantum hardware operation. Dimira was selected as one of eight startups out of 130 applications announced by Union Minister Dr. Jitendra Singh. The National Quantum Mission, approved by the Union Cabinet on April 19, 2023, allocated Rs.6003.65 crore from 2023-24 to projected 2030-31 to seed, nurture, and scale up scientific and industrial R&D. Dimira Technologies contributes to India's goal of achieving technological self-reliance in quantum computing infrastructure.

Diraq

🔌 Spin Qubit Australia

Diraq develops silicon quantum processors using CMOS-compatible fabrication processes to create quantum computers that leverage existing semiconductor manufacturing infrastructure, focusing on silicon-based spin qubits that can be manufactured using standard chip fabrication techniques to enable cost-effective scaling of quantum systems for practical applications. November 2025: Selected for DARPA Stage B of Quantum Benchmarking Initiative (up to $15M funding) for silicon CMOS spin qubit technology, advancing toward utility-scale quantum computing by 2033. In September 2025, Diraq and European nanoelectronics institute imec published breakthrough results in Nature demonstrating that silicon-based quantum chips can maintain world-class accuracy even when mass-produced in semiconductor foundries, achieving over 99% fidelity in two-qubit operations. The research, published on September 24, 2025, showed that devices built on imec's 300mm spin qubit platform with isotopically enriched silicon demonstrated reproducible fidelities exceeding 99% for one- and two-qubit operations and above 99.9% for state preparation and measurement. Unlike typical academic 'hero' devices, these results were obtained from randomly selected samples, confirming that scalable, high-fidelity silicon qubits can be produced using standard semiconductor manufacturing methods, marking a critical milestone for commercially viable quantum computing at scale.

DiTom Microwave

Fresno, United States Company

DiTom Microwave specializes in manufacturing RF isolators and circulators for high-reliability applications including quantum computing. The company produces cryogenic RF components designed to operate at temperatures below 77K down to the millikelvin range required for superconducting quantum computers. DiTom's cryogenic isolators and circulators serve the quantum computing industry's need for reliable microwave components that maintain performance at ultra-low temperatures. Their products are essential for qubit control and readout in superconducting quantum processors. The company serves aerospace, defense, space-qualified, and cryogenic hardware markets with proven reliability in extreme environments.

Duality Quantum Photonics

London, United Kingdom Company

Duality Quantum Photonics is a UK-based quantum technology company founded in 2020 that develops integrated quantum photonics circuits and components for quantum computing, quantum communications, and quantum sensing applications, specializing in silicon photonic chips that enable scalable photonic quantum systems with high integration density, providing essential building blocks for photonic quantum technologies including quantum light sources, quantum interferometers, and photonic quantum processors for researchers and companies developing quantum applications.

Edwards Vacuum

Burgess Hill, United Kingdom Company

Edwards Vacuum is a British engineering company founded in 1919 by physicist Frederick David Edwards and his father William, specializing in vacuum and cryogenic technologies for semiconductor, research, and industrial applications. Headquartered in Burgess Hill, UK, and part of the Atlas Copco Group since 2014, Edwards acquired Brooks Automation's CTI-Cryogenics and Polycold cryopump operations in 2018 for $675 million, significantly expanding its cryogenic capabilities. Edwards' cryogenic products serve the quantum computing industry, with photonics-based and ion-trap quantum computers requiring bespoke cryogenic solutions. In February 2022, Edwards joined a consortium led by Universal Quantum, awarded a £7.5M grant from Innovate UK to develop an error-corrected quantum computer, with Edwards responsible for designing, assembling, and commissioning the extreme high vacuum system for the quantum error correction quantum computer (QEC QC). Edwards' combination of vacuum technology expertise and cryogenic systems positions it as a critical supplier to the global quantum computing hardware ecosystem.

EeroQ

⚛️ electron-on-helium United States

EeroQ develops innovative helium-based quantum processors using electrons floating on superfluid helium to create qubits with superior coherence properties and reduced environmental sensitivity. Co-founded by MSU Associate Professor Johannes Pollanen, building on research pioneered at MSU and Bell Labs. October 2025: Published breakthrough in Physical Review X demonstrating first-ever control and detection of individual electrons trapped on superfluid helium at temperatures above 1 Kelvin - 100x warmer than typical quantum systems, opening pathway to more practical quantum processors without dilution refrigerators. 2025 Achievements: Named 2025 MSU Startup of the Year. CEO Nick Farina named to Crain's Chicago Business 40 Under 40. Built largest scaling architecture for quantum computer to date: 2,432 electrons using standard CMOS fabrication. December 2025: Received strategic investment from SEALSQ Corp as part of their 'Quantum Made in USA' industrial strategy. Over $13.5 million in venture funding secured.

Eigensystems

Sydney, Australia Company

Eigensystems is a Sydney-based quantum education startup founded in 2023 by Associate Professors Simon Devitt and Chris Ferrie from the University of Technology Sydney (UTS). The company develops tactile, narrative-driven quantum learning tools to democratize access to quantum computing education. Their flagship product, Quokka, is a 30-qubit portable quantum computer emulator designed to operate like a real quantum computer, making quantum computing accessible to educators and enthusiasts worldwide. Launched at Quantum Australia in February 2024, the Quokka raised US$100,000 through Kickstarter, marking the first-ever crowdfunding campaign in quantum education. Eigensystems won the Australian Good Design Award in 2024 and has shipped hundreds of Quokka devices globally. Education partners include Aalto University (Finland), Yoobee College (New Zealand), University of Costa Rica, Keio University, and the Okinawa Institute of Science and Technology. The company is part of the Australian Quantum Software Network and operates with a presence in Texas, USA.

eleQtron

⚡ Trapped Ion Germany

eleQtron is a German quantum computing company founded in 2020 that develops MAGIC (Magnetic Quantum Information Coupling) quantum computers using novel approaches to quantum processing, focusing on creating scalable quantum systems with enhanced coherence properties and reduced environmental sensitivity, working to advance quantum computing hardware through innovative qubit designs and quantum control techniques for applications in optimization, simulation, and quantum algorithm development across various industries and research institutions.

Emergence Quantum

Sydney, Australia Company

Emergence Quantum is an Australian quantum technology company that launched in May 2025 as a spinoff from the University of Sydney. The company was co-founded by Professor David Reilly and Dr. Thomas Ohki, both formerly of Microsoft's quantum computing division. The company develops qubit-agnostic quantum control systems, cryogenic electronics, and quantum sensing technologies. Emergence Quantum specializes in building the 'connective tissue' between qubits and software stacks, including cryogenic control electronics essential for scaling quantum computers. The founding team of approximately 20 members came from Microsoft's Quantum research program and contributed to the development of Microsoft's Majorana 1 quantum chip. In July 2025, Emergence Quantum established a strategic collaboration with IonQ to advance quantum computing hardware capabilities. The company's first commercial products became available in late 2025, focusing on enabling quantum computing systems to scale more effectively through advanced control and sensing technologies.

Envietta

San Jose, United States Company

Envietta is an American quantum security company founded in 2019, developing hardware-implemented post-quantum cryptography solutions as IP Core for semiconductor integration. The company is one of only three companies worldwide offering post-quantum cryptography as IP Core: PQ Shield (UK), Envietta (USA), and ResQuant (Poland). Envietta develops cryptographic processor designs implemented on FPGA and ASIC microchips for direct integration into electronic devices, providing quantum-resistant encryption resistant to quantum computer attacks. The company implements NIST-approved post-quantum cryptography algorithms including ML-KEM (Kyber), ML-DSA (Dilithium), and SLH-DSA (SPHINCS+) as hardware accelerators and IP cores for semiconductor manufacturers. Envietta serves semiconductor companies, IoT device manufacturers, aerospace contractors, automotive suppliers, and telecommunications equipment vendors requiring hardware-based post-quantum cryptography implementations for chip-level security. The company focuses on high-performance PQC hardware implementations enabling quantum-safe security in resource-constrained embedded systems and high-throughput communications equipment.

Ephos

Roma, Italy Company

In September 2024, Ephos, a leading producer of glass-based photonic chips, raised $8.5 million in seed funding and opened the world's first facility dedicated to designing and producing glass-based photonic chips in Milan. Ephos' proprietary technology designs and builds glass-based photonic chips offering best-in-class performance for signal loss, a critical advantage in building quantum computers. The company's novel 3D design and manufacturing capabilities unlock unique scaling opportunities and computational modalities that enable better system performance. The funding round was led by Starlight Ventures, with participation from notable investors including Joe Zadeh (former Vice President at Airbnb), Diego Piacentini (former Senior Vice President at Amazon), and Simone Severini (General Manager of Quantum Technologies at Amazon Web Services). Glass-based photonic chips have far-reaching implications beyond quantum computing, with applications in data centers where they can reduce energy footprints.

Epoch Wires

Mumbai, India Company

Epoch Wires Ltd. is an Indian manufacturer of specialized wires and superconducting materials serving advanced technology markets including quantum computing infrastructure. The company produces superconducting wires, cables, and components used in cryogenic applications, quantum computing systems, and scientific research requiring ultra-low temperature electrical conductivity. Epoch Wires manufactures materials supporting quantum computing infrastructure including superconducting interconnects, cryogenic wiring, and specialized conductors for quantum processors operating at cryogenic temperatures. As an Indian superconductor manufacturer, Epoch Wires supports India's National Quantum Mission and emerging quantum technology ecosystem. The company serves quantum computing manufacturers, research institutions, cryogenic equipment providers, and quantum technology companies in India and globally, providing specialized wire products for quantum computing infrastructure, quantum research laboratories, and cryogenic quantum systems.

Equal1

🔌 Spin Qubit Ireland

Equal1 is an Irish quantum computing company that developed Bell-1, the world's first silicon-based quantum computer server and the first Irish-made quantum computer, using Quantum System-on-a-Chip (QSoC) processors integrating quantum and classical transistors on CMOS-compatible silicon. October 2025: Secured €13.7M DTIF grant for QUBIC project. November 2025: European Space Agency (ESA) selected Bell-1 for deployment at Φ-Lab in Italy under QC4EO programme. October 2024: Signed collaboration agreement with NVIDIA for quantum-classical infrastructure. May 2025: Partnership with CeADAR to advance Quantum-AI infrastructure. June 2024: Partnership with Irish Centre for High-End Computing. Total funding: $11.6M from Enterprise Ireland, Atlantic Bridge, 808 Ventures, Btov Industrial Technologies, plus €10M EIC grant. Partnerships with Arm and GlobalFoundries for silicon spin qubit scaling.

ERZIA

Santander, Spain Company

ERZIA is an OEM manufacturer of high-performance RF and microwave modules, subsystems, and integrated assemblies serving quantum computing applications. Their high-power amplifiers (HPA) drive microwave control pulses for qubit manipulation (4-8 GHz, 10-50W output), while their low-noise amplifiers (LNA) capture weak readout signals with sub-1 dB noise figures across L-Band through W-Band frequencies critical for quantum system architectures. ERZIA provides essential RF infrastructure for quantum control systems worldwide.

ETH Zurich

❄️ Superconducting Switzerland

ETH Zurich (Swiss Federal Institute of Technology) is a public research university founded in 1855, located in Zurich, Switzerland. ETH conducts world-class quantum research advancing quantum computing quantum information quantum materials and quantum technologies. The university Quantum Center brings together quantum researchers from physics engineering and computer science. ETH researchers contribute to quantum algorithms quantum error correction superconducting qubits and quantum processors. The university has produced numerous quantum technology spinouts and maintains strong industry partnerships. ETH Zurich serves quantum research community through fundamental quantum research quantum education and technology transfer advancing quantum information science and supporting Swiss quantum technology leadership positioning Switzerland as European quantum research leader.

EuQlid

San Francisco, United States Company

EuQlid develops advanced trapped ion quantum systems with focus on high-fidelity qubit operations and scalable ion trap architectures, providing quantum computing solutions for research and commercial applications that require precise atomic control and long coherence times. November 2025: Emerged from stealth mode after securing $3M in Seed+ funding led by QDNL Participations and Quantonation, along with $1.5M in early customer revenue. The company provides solutions for quantum simulation and optimization problems requiring precise atomic control.

EYL

Seoul, South Korea Company

EYL is a South Korean quantum security specialist that commercialized the industry's first radioisotope-based quantum random number generator (QRNG) chip, applying natural radioisotope decay process to cryptographic information security. Founded in 2014, EYL's QUANTUM™ QRNG product family addresses 4th Industrial Revolution convergence security demands and IoT device security. The company's products include QUANTUM Entropy Chip (QEC) and QUANTUM™ QRNG in flipchip, USB, and PCI card formats supporting RNG speeds up to 4 Gbps. EYL won Diamond Award at MassChallenge Boston 2016, the world's biggest startup competition. In 2025, South Korea recognized EYL's QRNG as national strategic technology within quantum cryptography and quantum communication category, prioritizing it for state support and integration into critical infrastructure. EYL's QRNG technology serves finance, telecommunications, defense, and public sectors, with rapid global expansion to Indonesia, Europe, and Middle East markets.

Faraday Factory Japan

Tokyo, Japan Company

Faraday Factory Japan is a Japanese manufacturer developing cost-effective mass production methods for High Temperature Superconducting (HTS) tapes with production capacities approaching 100 thousand kilometers per year. The company produces second-generation HTS wire using advanced manufacturing processes, reducing costs and increasing availability of superconducting materials for quantum computing applications. Faraday Factory Japan manufactures superconducting tape essential for quantum computing infrastructure including superconducting qubits, quantum interconnects, and cryogenic quantum systems. The company's mass production capabilities enable large-scale deployment of superconducting materials for quantum processors and quantum technology applications. Faraday Factory Japan serves quantum computing manufacturers, research institutions, cryogenic equipment providers, and quantum technology companies requiring high-volume, cost-effective superconducting wire for quantum computing infrastructure, quantum communication systems, and quantum sensing applications.

Filtronic

Shipley, United Kingdom Company

Filtronic is a UK-based RF, microwave, and mmWave solutions provider specializing in customized filters, diplexers, and low-noise amplifiers for quantum computing systems. Their cryogenic-compatible RF filters operate at temperatures near absolute zero to minimize microwave noise in superconducting qubit systems, with switched filter banks enabling dynamic frequency adjustment for enhanced performance in varying quantum computing environments. Filtronic designs bespoke RF solutions for quantum computing companies supporting both control systems outside and circuits inside dilution refrigerators.

Fixstars Amplify

Tokyo, Japan Company

Fixstars Amplify is a Tokyo-based company established in 2021 offering a cloud platform tailored for combinatorial optimization problems integrating quantum annealing, Ising machines, and gate-model quantum computers. The platform includes an SDK and execution environment for Ising machines, automating logical model conversion, physical model conversion, and machine execution to make quantum annealing programming more accessible. Fixstars Amplify is compatible with its own Fixstars Amplify Annealing Engine (AE) and all available quantum annealing/Ising solvers, mathematical optimization solvers, and gate-based quantum computers. The GPU-based Amplify AE processes large-scale problems consisting of more than 100,000 bits at high speed. Since public availability in 2021, Amplify has processed more than 45 million user requests as of October 2024. Fixstars Amplify has been adopted in the Mitou Target Program since 2021, receiving positive feedback for SDK ease of use and performance. The platform offers Toshiba's Quantum-Inspired Optimization Solution SQBM+™.

FormFactor

Livermore, United States Company

FormFactor provides quantum test and measurement solutions including cryogenic probing systems, quantum device test interfaces, and specialized measurement equipment that enable the characterization and testing of quantum devices at ultra-low temperatures required for quantum computing and quantum electronics applications.

Fraunhofer IPMS Quantum Computing Group

Dresden, Germany research

Fraunhofer IPMS Quantum Computing Group leads integrated German quantum computer development with 24 institutions, focusing on superconducting quantum chips with improved error rates. The Dresden research institute coordinates national quantum computing programs. Fraunhofer IPMS develops superconducting qubit fabrication processes, quantum chip integration, and packaging technologies to enable scalable quantum computing systems manufactured in Germany.

Frequency Electronics

Mitchel Field, United States Company

Frequency Electronics designs precision timing and frequency control products including atomic clocks (hydrogen, cesium, rubidium standards) and RF modules up to 67 GHz for quantum sensing and quantum computing applications. The company has over 40 years of quantum sensing experience, developing nitrogen-vacancy diamond magnetometers for the Defense Innovation Unit and Rydberg atom-based RF sensors in partnership with NIST and Freedom Photonics. Frequency Electronics provides critical timing infrastructure for government, defense, aerospace, and quantum technology applications.

FrostByte

Delft, Netherlands Company

FrostByte is a 2025 spin-out from QuTech at TU Delft developing cryogenic electronics that address the scaling bottlenecks facing quantum technologies. The company creates integrated circuits and control electronics that operate at ultra-low temperatures directly alongside quantum processors, reducing wiring complexity and improving signal fidelity. FrostByte's innovations enable the scaling of quantum computers from hundreds to thousands of qubits.

Fuji Electric

Tokyo, Japan Company

Fuji Electric Co. Ltd. is a major Japanese electrical equipment manufacturer founded in 1923, producing superconducting materials and components serving quantum computing and power applications. The company manufactures superconducting wires, cables, and systems using both Low Temperature Superconductor (LTS) and High Temperature Superconductor (HTS) technologies. Fuji Electric provides superconducting solutions for quantum computing infrastructure including cryogenic systems, superconducting magnets, and power conditioning equipment essential for quantum processors. The company leverages extensive experience in power electronics and cryogenic systems to support quantum computing manufacturers requiring reliable superconducting components. Fuji Electric serves quantum technology companies, research institutions, and cryogenic equipment manufacturers in Japan and globally, providing superconducting materials for quantum processors, quantum communication systems, and quantum computing infrastructure requiring advanced superconducting technologies.

Fujikura

Tokyo, Japan Company

Fujikura Ltd. is a major Japanese manufacturer founded in 1885, producing superconducting wires, cables, and materials for quantum computing and telecommunications applications. The company manufactures High Temperature Superconducting (HTS) wire and cable products using advanced production technologies, serving quantum computing infrastructure requirements. Fujikura provides superconducting solutions for quantum processors, superconducting qubits, quantum interconnects, and cryogenic quantum systems requiring ultra-low resistance electrical conductivity at cryogenic temperatures. The company leverages over 135 years of cable and wire manufacturing expertise to produce high-quality superconducting materials for quantum technology applications. Fujikura serves quantum computing manufacturers, research institutions, telecommunications companies, and cryogenic equipment providers requiring reliable superconducting wire and cable products for quantum computing infrastructure, quantum communication networks, and quantum sensing systems.

Fujitsu

❄️ Superconducting Japan

April 2025: Developed world-leading 256-qubit superconducting quantum computer with RIKEN at RQC-FUJITSU Collaboration Center. Planning 1,000-qubit computer for 2026. March 2025: Achieved >99.9% fidelity for single and two-qubit gates with QuTech using diamond spin method (published Physical Review Applied). Launched open-source quantum computer operations software. 2025: Formed joint venture with NEC and Hitachi for cold-atom quantum computer using rubidium atoms. Prototype by 2026, commercial device by 2030. Part of Q-STAR consortium (112 members including Toyota, Toshiba). Japan designated 2025 'first year of quantum industrialization' with ¥1.05 trillion ($7.4B) funding package. November 2025: Joined NTT's OptQC initiative for room-temperature optical quantum computing. Also develops Digital Annealer quantum-inspired optimization technology for enterprise customers. Contributing to Japan's national quantum strategy through government-industry partnerships.

g2-Zero is a Madrid-based quantum technology startup founded in 2020, specializing in the development of plug-and-play single photon sources and semiconductor-based photonic quantum components. A spin-off of the Institute of Micro and Nanotechnology of the Spanish National Research Council (IMN-CSIC) and the Technical University of Madrid (UPM), g2-Zero develops single photon sources that are purely electrical, vibration-resistant, and alignment-free. The company was selected for NATO's Defence Innovation Accelerator for the North Atlantic (DIANA) program and has received investment from FI Nvest, Hamamatsu Corporate Venture Capital, and Deep Tech Lab - Quantum. g2-Zero's technology addresses critical needs for the emerging market of quantum technologies, including quantum communications, quantum computing, and quantum sensing applications.

G42

Abu Dhabi, United Arab Emirates Company

G42 (Group 42 Holding Ltd) is an Abu Dhabi-based artificial intelligence development holding company founded in 2018, chaired by Tahnoon bin Zayed Al Nahyan from the UAE ruling family. G42 focuses on AI development across government, healthcare, finance, oil and gas, aviation, and hospitality sectors, with partnerships expanding into quantum computing. The company has formed quantum partnerships with Microsoft ($1.5 billion investment in April 2024), IonQ for quantum computing access at Abu Dhabi's Quantum Research Center, D-Wave, and explored quantum potential through its subsidiary Inception Institute of Artificial Intelligence. In May 2025, G42 announced the Stargate UAE partnership with OpenAI, Oracle, NVIDIA, SoftBank, and Cisco to build a 5GW AI campus in Abu Dhabi. G42 is backed by world-class investors including Mubadala, SilverLake, Microsoft, and the Dalio Family Office, positioning UAE as a quantum and AI technology hub.

GEM Systems

Markham, Canada Company

GEM Advanced Magnetometers is a world leader in high-precision quantum magnetometer technology for earth science, geophysics, mineral and oil exploration, environmental applications, UXO detection, and earthquake research. Founded in 1980 and managed by Dr. Ivan Hrvoic, GEM leads in developing advanced quantum magnetometer technologies including Overhauser, optically pumped Potassium (K-Mag), and Proton Precession magnetometers. Based in Markham, Ontario, the company pioneered the potassium vapor magnetometer and continues innovation in quantum sensing. GEM's magnetometers and gradiometers serve global geophysical survey, resource exploration, and scientific research applications requiring ultra-sensitive magnetic field detection.

Geometrics

San Jose, United States Company

Geometrics is a leading manufacturer of magnetometers and geophysical instruments based in San Jose, California. The company develops and manufactures precision magnetometers for measuring planetary-scale magnetic fields using quantum sensing principles. Geometrics operates under a Space Act Agreement with NASA to test magnetometers in specially constructed non-magnetic facilities at Moffett Field, which are instrumental to their product development. With $23.4 million in revenue and 85 employees, Geometrics serves geophysical survey, marine exploration, aerospace, and scientific research markets. The company partners with Texas Instruments on next-generation silicon-based magnetometers incorporating MEMS technology for smaller, more deployable quantum sensors.

GlobalFoundries

Malta, United States Company

GlobalFoundries leverages its advanced semiconductor manufacturing capabilities to provide quantum chip fabrication services for quantum computing companies, offering specialized processes and clean room facilities for producing superconducting qubits and quantum devices using established semiconductor manufacturing infrastructure.

Google Quantum AI

❄️ Superconducting United States

December 2024: Unveiled Willow 105-qubit chip - performed computation in 5 minutes that would take supercomputers 10 septillion years. First chip to reduce errors as qubits scale. October 2025: Published Nature paper demonstrating first 'verifiable quantum advantage' using Quantum Echoes algorithm. Runs 13,000x faster than best classical algorithm on world's fastest supercomputer. Applied as 'molecular ruler' with UC Berkeley for NMR spin-echo simulations. Willow specs: 99.97% single-qubit gates, 99.88% entangling gates, 99.5% readout fidelity. Nearly 10 billion error correction cycles without error. T1 coherence ~100 microseconds (5x improvement). February 2025: Led $230M investment in QuEra Computing with SoftBank. Acquired Atlantic Quantum (MIT spinout) for modular chip architecture. Expanded quantum error correction research with academic partners. Roadmap: Building toward cryptographically relevant quantum computer (CRQC) requiring millions of components. Focus on surface code optimization and logical qubit performance.

Groove Quantum

Delft, Netherlands Company

Groove Quantum is a QuTech spinout launched in 2024 tackling the qubit scalability challenge with its unique germanium-based quantum technology. The company develops germanium quantum dots as a platform for quantum computing that offers advantages in terms of manufacturability, scalability, and integration with existing semiconductor processes. Groove Quantum's approach enables quantum processors to be fabricated using standard CMOS-compatible processes.

Groovenauts, Inc.

Tokyo, Japan Company

Groovenauts is a Japanese cloud and AI company partnering with the Institute for Molecular Science on cold atom quantum computer commercialization platform development. The company focuses on building cloud infrastructure and software platforms to make quantum computing accessible to enterprises and researchers. Groovenauts brings extensive cloud computing expertise to Japan's quantum computing ecosystem, bridging the gap between quantum hardware and practical commercial applications.

Hamamatsu Photonics

Hamamatsu, Japan Company

Hamamatsu Photonics manufactures photonic devices and optical sensors for quantum technologies, including photomultiplier tubes (PMTs), single-photon avalanche diodes (SPADs), and qCMOS cameras for trapped ion and neutral atom quantum computing. Recent products include the ORCA-Quest 2 qCMOS camera with faster readout and enhanced UV sensitivity, plus their first commercial optically pumped magnetometer (OPM) for ultra-low magnetic field detection in quantum sensing. Hamamatsu acquired NKT Photonics in 2022 to strengthen its quantum photonics capabilities.

Harvard University

Cambridge, United States research

Harvard University is a private Ivy League research university founded 1636 in Cambridge Massachusetts. Central to Harvard quantum initiatives is Harvard Quantum Initiative uniting researchers from various disciplines to advance quantum science and engineering. In September 2025, a team of Harvard physicists led by Mikhail Lukin (Joshua and Beth Friedman University Professor) achieved a historic breakthrough by building the first quantum computer that can operate continuously for over 2 hours without restarting, published in Nature. The system operates an array of more than 3,000 qubits (neutral atoms) and theoretically could continue indefinitely, representing a massive improvement over existing quantum computers that typically run for milliseconds or at most 13 seconds. The breakthrough was achieved by replenishing qubits in real time, injecting new atoms at a rate of 300,000 per second using an optical lattice conveyor belt system to counteract atom loss and maintain quantum information, with over 50 million atoms cycled through the system during the two-hour demonstration. This transformative achievement demonstrates that quantum computers capable of running forever in practice are now just three years away (down from five+ years previously), marking a critical milestone toward practical, continuously operating quantum computing systems. Harvard Quantum Initiative is one of strongest in country heavily focused on quantum networking quantum chemistry and quantum materials research. Harvard conducts quantum research spanning quantum processors quantum algorithms quantum communication networks quantum simulation and quantum sensing. The university maintains partnerships with leading quantum companies including QuEra Computing and government agencies. Harvard serves quantum research community through fundamental quantum research quantum education programs and technology transfer advancing quantum information science and quantum technology commercialization supporting USA quantum leadership.

High Precision Devices

San Francisco, United States Company

High Precision Devices (HPD) is a US cryogenic instrumentation company founded in 1993 that develops specialized ultra-low temperature measurement and control instruments for quantum computing and quantum research applications, providing precision thermometry, cryogenic switches, temperature controllers, and measurement electronics that enable accurate monitoring and control of quantum systems operating at millikelvin temperatures, serving quantum computing companies, research institutions, and national laboratories with high-precision instrumentation essential for quantum device characterization, quantum state control, and cryogenic system optimization in dilution refrigerators and other ultra-low temperature environments.

High Temperature Superconductors

Houston, United States Company

High Temperature Superconductors Inc. is a USA-based manufacturer specializing in high-temperature superconducting materials and components for quantum computing and advanced technology applications. The company produces superconducting wires, tapes, and materials used in quantum computing systems, superconducting electronics, and cryogenic applications. High Temperature Superconductors manufactures HTS materials operating at higher temperatures than conventional superconductors, reducing cooling requirements for quantum computing infrastructure. The company provides custom superconducting solutions for quantum processors, superconducting qubits, and quantum computing systems requiring reliable superconducting performance. High Temperature Superconductors serves quantum technology companies, research laboratories, cryogenic equipment manufacturers, and quantum computing startups requiring high-quality superconducting materials for quantum processors, quantum communication systems, and quantum sensing applications operating at cryogenic temperatures.

Hitachi

Tokyo, Japan Company

Hitachi Ltd. is a major Japanese multinational conglomerate founded in 1910, headquartered in Tokyo, developing quantum computing technologies including CMOS annealing and gate-type quantum computers. Hitachi started R&D on CMOS annealing machine in 2013, combining quantum annealing principles with CMOS technology creating quantum-inspired computers for combinatorial optimization problems. In 2020, Hitachi started R&D on silicon quantum computer as part of Japan's Moonshot Research and Development Program launched by Cabinet Office. In 2018, Hitachi partnered with University of Tokyo to develop high-speed quantum computer, and signed memorandum with Riken research institute and Belgian research organization to develop silicon-based quantum computer. In June 2024, Hitachi developed new qubit control method stabilizing and extending lifetimes by hundred-fold, accelerating quantum computer development. Hitachi offers CMOS Annealing Cloud Service for quasi-quantum computing serving enterprises requiring optimization solutions across logistics, finance, and industrial applications in Japan and globally.

Hon Hai Research Institute Quantum Computing Center

New Taipei City, Taiwan research

Hon Hai Research Institute (Foxconn's research arm) launched Taiwan's first trapped ion quantum computing lab in 2023, focusing on ion trap platforms and quantum communications. The company is applying Foxconn's electronics manufacturing expertise to quantum hardware development. Hon Hai's quantum computing center represents Taiwan's electronics industry entering quantum technology, bringing precision manufacturing and systems integration capabilities to trapped ion quantum computer development.

HPE

⚡ Trapped Ion United States

Hewlett Packard Enterprise (HPE) is an American multinational enterprise information technology company founded in 2015 through split of Hewlett-Packard, headquartered in Houston, Texas. HPE provides high-performance computing infrastructure supporting quantum-classical hybrid computing through partnerships with quantum computing providers. The company integrates quantum computing access into HPE GreenLake cloud platform enabling hybrid quantum-classical workloads. HPE collaborates with quantum computing companies including IonQ and others providing enterprise quantum computing access through cloud services. HPE serves enterprise customers, government agencies, and research institutions requiring quantum computing access, high-performance computing infrastructure, and quantum-classical hybrid capabilities. The company advances quantum technology commercialization bringing quantum computing to enterprise markets through cloud-based quantum services and hybrid computing platforms.

Hyper Tech Research

Columbus, United States Company

Hyper Tech Research Inc. is a leading manufacturer and developer of advanced superconducting materials based in Columbus, Ohio, founded in 1999, specializing in superconducting wire technology for quantum computing and energy applications. The company manufactures high-performance superconducting wires including Niobium-Titanium (NbTi), Niobium-Tin (Nb3Sn), and Magnesium Diboride (MgB2) superconductors used in quantum computing systems and cryogenic applications. Hyper Tech Research provides superconducting materials for quantum processors, superconducting qubits, quantum interconnects, and cryogenic quantum computing infrastructure requiring ultra-low resistance electrical conductivity. The company conducts research and development on next-generation superconducting materials with improved performance characteristics for quantum computing applications. Hyper Tech Research serves quantum computing manufacturers, national laboratories, universities, and research institutions requiring specialized superconducting materials for quantum technology development.

HYPRES

San Francisco, United States Company

HYPRES specializes in superconducting electronics and rapid single flux quantum (RSFQ) technology for quantum computing applications, providing advanced cryogenic electronics, superconducting circuits, and quantum control systems that enable precise manipulation and readout of quantum states in superconducting quantum processors with over four decades of expertise in superconducting technologies.

HYQ Bit

Beijing, China Company

HYQ Bit develops trapped ion quantum computers using precision-controlled ion trapping technology to create high-fidelity quantum systems for research and commercial applications, contributing to China's growing quantum computing ecosystem with focus on scalable ion trap architectures for quantum simulation and optimization applications.

Hyqubit

Beijing, China Company

Hyqubit is a Beijing-based quantum computing company focused on ion trap technology for quantum processors. The company is developing trapped ion quantum computers as part of China's diversified quantum computing hardware strategy. Hyqubit represents China's efforts to develop competitive ion trap quantum computing capabilities alongside the country's superconducting and photonic quantum computing programs.

IBM Quantum

❄️ Superconducting United States

In 2024-2025, IBM Quantum unveiled its 156-qubit Heron processor featuring a new architectural approach emphasizing modularity and error mitigation, achieving 16 times better performance and a 25-fold increase in speed over 2022 systems. At the inaugural IBM Quantum Developer Conference in 2024, IBM achieved accurate computations on circuits with 100 qubits and gate depths of 100 and 5,000 two-qubit gate operations in under a day's runtime. IBM introduced multi-chip coupling innovations including 'l-couplers' for linking distant chips via cables and 'm-couplers' for tightly connecting adjacent chips, demonstrated with IBM Quantum Flamingo connecting two Heron R2 chips, with the production-ready Flamingo system expected in 2025. IBM's roadmap extends to 2026 with the Kookaburra system demonstrating the first integration of logical qubit processing with quantum memory, and by 2028, the Starling system will operate 200 logical qubits requiring approximately 10,000 physical qubits using IBM's efficient LDPC codes. November 2025: IBM announced the 120-qubit Nighthawk processor with 218 next-generation tunable couplers, enabling 30% more circuit complexity while maintaining low error rates. IBM achieved 10x speedup in quantum error correction decoding over leading approaches, completed one year ahead of schedule. IBM-Cisco partnership announced (November 20, 2025) to build networked distributed quantum computing infrastructure with first proof-of-concept targeted by end of 2030. IBM claims their LDPC codes approach requires 90% fewer qubits than Google's surface code method. IBM Quantum Loon experimental processor demonstrated all key fault-tolerant computing components for the first time.

IBM Quantum Network

Yorktown Heights, United States Company

IBM Quantum Network is a global community of Fortune 500 companies academic institutions research laboratories and startups working with IBM to advance quantum computing launched in 2017. The network provides members with cloud access to IBM quantum computers quantum software development tools quantum education resources and quantum expertise. IBM Quantum Network includes over 200 member organizations across industries including finance healthcare automotive aerospace and technology sectors. Members collaborate on quantum research develop quantum applications and explore quantum use cases for business advantage. The network provides quantum computing access quantum programming tools Qiskit framework quantum education programs and quantum consulting services. IBM Quantum Network serves enterprises research institutions and startups requiring quantum computing access quantum expertise and quantum technology development advancing practical quantum applications and quantum computing adoption worldwide.

Icarus Quantum

Boulder, United States Company

Icarus Quantum is a JILA/NIST spin-out commercializing quantum dot technology with Venture Partners at CU Boulder (Poolad Imany). The Boulder company develops quantum photonic components. Icarus Quantum translates fundamental quantum dot research into commercial photonic quantum devices for quantum computing, quantum communications, and quantum sensing applications.

ID Quantique

Geneva, Switzerland Company

ID Quantique (IDQ) is a Swiss quantum cybersecurity pioneer founded in 2001 as a University of Geneva spinoff that became the world leader in quantum key distribution (QKD) and quantum-safe security solutions, achieving multiple world firsts including the first commercial QKD system deployment in 2004 and breaking distance records with 307km QKD demonstrations, offering comprehensive quantum-safe products including the Cerberis XG and Clavis XG QKD systems serving governments, enterprises, and research institutions across 60+ countries. December 2025: Deployed Slovakia's first national quantum communication network as part of the EU-wide EuroQCI initiative. The skQCI project, developed with Institute of Physics Slovak Academy of Sciences, securely interconnects Slovakia's Presidential Palace, National Security Authority, and Quantum Pavilion of the Slovak Academy of Sciences in Bratislava. November 2025: Expanded QKD network deployments across European financial institutions and government agencies. 2025 Developments: Acquired by IonQ for approximately $250 million, becoming IonQ's subsidiary for quantum networking. Continued expansion of QKD network deployments and quantum-safe security solutions.

Illinois Quantum and Microelectronics Park

Chicago, United States Company

Illinois Quantum and Microelectronics Park represents the largest concentration of quantum activity in North America, anchored by PsiQuantum with tenants including IBM, Diraq, and Infleqtion, projecting over $20 billion economic impact. The quantum technology park provides shared infrastructure. The park establishes Illinois as a global quantum manufacturing hub, bringing together quantum hardware companies, research institutions, and supporting industries to create a complete quantum technology ecosystem.

Imec

Leuven, Belgium Company

Imec is a world-leading research and innovation hub in nanoelectronics and digital technologies based in Leuven, Belgium, founded in 1984, with extensive quantum computing semiconductor fabrication programs. Imec collaborates with quantum hardware companies including Diraq, fabricating silicon spin qubits on 300mm wafers using standard CMOS materials. In June 2024, Diraq announced 99.9% control accuracy for silicon spin qubits fabricated by Imec on 300mm wafers, demonstrating scalable quantum processor manufacturing. Imec's semiconductor fabrication capabilities enable quantum computing companies to manufacture qubits using existing semiconductor infrastructure, reducing costs and accelerating quantum computer development. The organization provides process development and manufacturing services for quantum processors, serving quantum hardware startups requiring advanced semiconductor fabrication for superconducting qubits, silicon spin qubits, and other quantum computing architectures.

IMS Quantum Startup

Okazaki, Japan Company

IMS Quantum Startup is a planned startup to be launched by Japan's Institute for Molecular Science (IMS) to commercialize cold neutral atom quantum computers. The initiative partners with 10 major industry partners including Fujitsu, Hitachi, and NEC as part of Japan's national quantum computing strategy. This public-private collaboration represents Japan's commitment to developing sovereign quantum computing capabilities using cold atom technology developed at IMS research laboratories.

Infleqtion

⚛️ Neutral Atom United States

In 2025, Infleqtion demonstrated a 16x16 neutral atom array - the largest reported array of its kind in the UK - as part of the SQALE project at the NQCC, marking a crucial step towards building fault-tolerant quantum processors. The company's commercial platform is built around a 1,600-qubit lattice, the largest neutral-atom array reported to date, achieving an entangling-gate fidelity of 99.73%. In September 2025, Infleqtion agreed to merge with Churchill Capital Corp X in a transaction valuing Infleqtion at a pre-money equity of $1.8 billion. In 2024, Infleqtion was contracted to develop a neutral atom quantum computing testbed for the UK's National Quantum Computing Centre (NQCC), installing the first neutral atom quantum computer at the NQCC in July 2024. The company unveiled the world's largest qubit array comprising 1600 qubits and a 5-year roadmap signaling progress towards delivering fault-tolerant quantum computers. Infleqtion's approach utilizes multiple atomic species within a single system, representing a novel strategy for enhancing performance. 2025 Developments: In September 2025, Infleqtion agreed to go public via $1.8 billion SPAC merger with Churchill Capital Corp X, generating over $540 million in gross proceeds. In June 2025, secured $100 million Series C from Glynn Capital, Counterpoint Global, S32, and SAIC. In June 2025, secured £2.2 million UK funding for Sqale neutral atom quantum computer at NQCC. In July 2025, announced $50 million Illinois partnership over 4 years to build utility-scale neutral atom quantum computer. In October 2025, partnered with Silicon Light Machines for MEMS technology integration

Intel Quantum

San Francisco, United States Company

In 2024, Intel's spin qubits achieved 99.9% gate fidelity, the highest reported for qubits made with all-CMOS-industry manufacturing, demonstrated in research published in Nature titled 'Probing single electrons across 300-mm spin qubit wafers.' On December 25, 2024, Intel published research on '12-Spin-Qubit Arrays Fabricated on a 300 mm Semiconductor Manufacturing Line' in Nano Letters, featuring the Tunnel Falls device consisting of 12 quantum dots arranged in a linear array - the largest number of qubits reported in a single Si/SiGe device to date. Intel researchers used a 300-millimeter cryogenic probing process, CMOS manufacturing techniques, and extreme ultraviolet (EUV) lithography to achieve tight dimensions while manufacturing in high volume. The small size of Intel's spin qubits (approximately 100 nanometers across) makes them denser than other qubit types like superconducting qubits, enabling construction of more complex quantum computers on a single chip. Intel plans to demonstrate high-fidelity two-qubit gates on its industry manufacturing process and develop 2D arrays with increased qubit count and connectivity.

IonQ

⚡ Trapped Ion United States

IonQ is a leader in trapped-ion quantum computing, publicly traded on NYSE (IONQ). In 2025, the company secured landmark funding including a $2 billion institutional investment and completed a $1 billion equity offering, bringing cash position to $1.6 billion. Q3 2025 revenue reached $39.9 million (+221.5% YoY), with FY 2025 guidance of $106-110 million. December 2025: Through subsidiary ID Quantique, deployed Slovakia's first national quantum communication network (skQCI) as part of the EU-wide EuroQCI initiative, connecting the Presidential Palace, National Security Authority, and Slovak Academy of Sciences. Also announced strategic quantum-biotech partnership with CCRM to accelerate next-generation therapeutic development. Invested in Horizon Quantum Computing's $110M PIPE financing alongside Fortune 50 technology companies. The company executed an aggressive M&A strategy in 2024-2025 totaling ~$2.5 billion across 7+ acquisitions: Oxford Ionics ($1.075B - trapped-ion technology), ID Quantique ($250M - quantum networking), Capella Space ($318M - satellite imaging), Vector Atomic (atomic clocks/inertial sensors), Qubitekk (quantum networking), Skyloom Global (optical communications), and Lightsynq Technologies (entanglement distribution). This positions IonQ for full-stack quantum-to-space capabilities. Major contracts include $54.5 million from US Air Force Research Lab. IonQ achieved world-record 99.99% two-qubit gate fidelity and #AQ 64 on its Tempo system. Named only quantum company in Deloitte's 2025 Technology Fast 500 (nearly 2000% revenue growth 2021-2024). November 2025: CEO Niccolo de Masi testified to Congress that IonQ's commercial era has begun. Roadmap targets CRQC by 2028 (~20,000 physical qubits) and ~2 million physical qubits by 2030. Launched Geneva Quantum Network (GQN) with Swiss consortium (UNIGE, CERN, Rolex SA). Key partnerships include CCRM (biotech), Heven AeroTech (strategic investor, $100M Series B), General Dynamics IT, SK Telecom, AstraZeneca, Ansys, Classiq, and Horizon Quantum. Focus areas: defense, government, enterprise, healthcare, and biotech sectors.

IPG Photonics

Marlborough, United States Company

IPG Photonics manufactures fiber lasers and amplifiers including single-frequency linearly polarized sources for quantum computing applications. The company offers optical frequency combs for biomedical sensing, metrology, and quantum computing, along with specialized ultrafast lasers that deliver compact and efficient solutions purpose-built for quantum systems. IPG Photonics works directly with major quantum computing companies providing high-performance laser sources critical for quantum operations.

IQM

❄️ Superconducting Finland

IQM Quantum Computers is Finland's leading quantum computing company building superconducting quantum computers. In 2025, secured record €320 million Series B for Finland (total funding $600 million), led by Ten Eleven Ventures (US). Investors: Tesi (Finnish state), Elo, Varma (pension funds), Schwarz Group, Winbond Electronics, EIC, Bayern Kapital. November 13, 2025: Launched IQM Halocene, new 150-qubit product line optimized for error correction research. Halocene commercially available by end of 2026 with future releases exceeding 1,000 qubits. First system installation at VTT Technical Research Centre of Finland. Government contract: VTT partnership for 300-qubit system (€70M government grant). Timeline: 150-qubit system mid-2026, 300-qubit system late 2027, integrated with Finland's HPC infrastructure. Market positioning: leading European quantum hardware company with strong government backing (Finland), focus on scalable quantum systems with both on-premises and cloud access.

iQore is a quantum computing company developing quantum execution systems that bridge the gap between quantum hardware and practical applications. Founded by Sean Null, the company focuses on building software infrastructure that enables efficient quantum program execution across different quantum processors. iQore's technology aims to optimize quantum circuit compilation, error mitigation, and resource management to maximize the utility of current quantum devices for real-world computational tasks.

Isentroniq

Paris, France Company

Isentroniq is a Paris-based quantum hardware startup founded in May 2025 by Paul Magnard (PhD in experimental quantum information processing from ETH Zürich, former lead architect at Alice & Bob) and Théodore Amar (former Bain & Company consultant, ex-head of marketing at Hilti) that develops next-generation wiring infrastructure for superconducting quantum computers to solve the critical cryogenic power and space bottleneck that currently limits scaling beyond a few hundred qubits. In October 2025, Isentroniq raised €7.5 million in pre-seed funding led by Heartcore Capital with participation from OVNI Capital, Kima Ventures, IXCORE Group, Better Angle, EPSL VC, plus support from Bpifrance and France 2030 to industrialize its proprietary dense, near-heatless wiring technology that enables 1,000x more qubits to be integrated into existing dilution refrigerators. The company's breakthrough wiring solution is designed to remove heat, cost, and space constraints inside cryostats and unlock the path to million-qubit systems, with the potential to reduce the price of a million-qubit quantum computer from tens of billions to approximately €50 million while solving the wiring deadlock that has become the primary barrier to scaling superconducting quantum processors as control and readout lines currently add excessive heat and complexity that cap systems at a few hundred qubits.

Janis Research

Woburn, United States Company

Janis Research Company LLC is an American manufacturer of cryogenic and vacuum systems founded in 1961, headquartered in Woburn, Massachusetts. Janis provides cryogenic equipment including dilution refrigerators, cryostats, and ultra-low temperature systems used in quantum computing research, quantum materials studies, and quantum device testing. The company cryogenic systems enable temperatures approaching absolute zero required for superconducting qubit operation and quantum physics experiments. Janis serves quantum computing companies, research universities, national laboratories, and quantum technology developers requiring cryogenic infrastructure for quantum experiments and quantum processor cooling. The company contributes to quantum technology supply chain providing essential cryogenic equipment for quantum computing hardware development and quantum research advancing practical quantum computer implementations and quantum technology commercialization.

Johnson & Johnson

New Brunswick, United States Company

Johnson & Johnson is an American multinational pharmaceutical and medical technologies corporation founded in 1886, with Janssen Pharmaceuticals subsidiary launching three-year research collaboration with Qu&Co in 2021 to develop and test quantum computational algorithms and software for pharmaceutical R&D applications. Janssen employed Qu&Co's QUBEC platform for quantum computational chemistry and materials science, testing algorithms on quantum processors. In 2024, Johnson & Johnson partnered with Pasqal working to demonstrate practical benefits of quantum computing for drug discovery problems. Johnson & Johnson is among biggest pharma industry players submitting quantum computing patents alongside Merck, Roche, and Amgen. The company uses quantum computing for molecular simulations, optimization problems in drug discovery, and computational chemistry applications. Johnson & Johnson serves global pharmaceutical market requiring quantum-enhanced drug discovery, molecular modeling, and computational chemistry for developing treatments for cancer, Alzheimer's, Parkinson's, and other conditions accelerating path from discovery to clinical trials.

KEEQuant

Munich, Germany Company

KEEQuant is a German quantum key distribution company founded in 2020 that develops QKD systems and quantum cryptography solutions for secure communications, creating quantum-safe key distribution infrastructure that leverages quantum physics principles to generate and distribute encryption keys with provable security guarantees, providing QKD hardware, quantum network components, and secure communication solutions for government agencies, financial institutions, and enterprises requiring ultra-secure communications infrastructure protected against both classical eavesdropping and future quantum computer attacks through quantum cryptographic protocols.

KETS Quantum Security

London, United Kingdom Company

KETS Quantum Security is a UK quantum communications company founded in 2016 as University of Bristol spinout, pioneering chip-scale QKD devices. April 2025: Completed £1.7M Innovate UK contract to develop scalable, server-sized QKD prototype for critical infrastructure. BT consulted on design and now testing prototype. Called 'leader in quantum network components' by Innovate UK. November 2025: CEO Lisa Matthews warned UK needs Quantum Sovereign Wealth Fund or risks losing quantum companies, talent, and IP to foreign markets. Noted several UK firms (PsiQuantum, Universal Quantum, Oxford Ionics) shifted operations abroad due to limited domestic scale-up capital. Products: QKD (Quantum Key Distribution) and QRNG (Quantum Random Number Generators). Targets defense, finance, critical infrastructure, telecoms. Series A company with $4.39M funding from Speedinvest and Quantonation.

Keysight Technologies

Santa Rosa, United States Company

Keysight Technologies provides advanced quantum test and measurement solutions including quantum computing test systems, qubit characterization tools, and precision measurement instruments that enable quantum researchers and manufacturers to validate, optimize, and scale quantum devices and systems across various quantum technology platforms.

Ki3 Photonics

Bristol, United Kingdom Company

Ki3 Photonics is a British photonics company specializing in advanced innovations for quantum networking and quantum computing using integrated photonics technology. The company develops photonic integrated circuits and components that enable scalable quantum communication networks and photonic quantum computing systems. Ki3 Photonics combines expertise in silicon photonics with quantum information science to create practical quantum networking infrastructure components.

Kiutra

Munich, Germany Company

Kiutra develops revolutionary helium-3-free, cryogen-free cooling systems for quantum technologies and materials research, founded in 2018 as a spin-off from Technical University of Munich by Alexander Regnat, Jan Spallek, Tomek Schulz, and Christian Pfleiderer. The company specializes in adiabatic demagnetization refrigeration (ADR) technology to provide efficient, easy-to-handle cryostats that facilitate quantum computer operation and scientific research without the need for expensive and scarce helium-3. In October 2025, Kiutra secured €13 million in new financing led by NovaCapital and 55 North to accelerate its global scale-up and expand production of next-generation quantum cooling solutions, addressing a critical infrastructure need for the growing quantum computing industry.

Korea Quantum Computing

Seoul, South Korea Company

Korea Quantum Computing (KQC) is a South Korean quantum hardware company developing quantum processors as part of the national quantum strategy. The company works on advancing quantum computing technology in South Korea and collaborates with KAIST, KIST, and other research institutions. KQC focuses on building sovereign quantum computing capabilities and contributes to Korea's goal of verifying 1,000 industry use cases by targeting 2035.

Kothar Computing is a Montréal, Quebec-based quantum software company and Syniad Innovations venture that emerged from stealth in August 2025 with the launch of FORGE, a next-generation scientific computing platform for solving complex quantum many-body problems. Named after the Ugaritic god of craftsmanship and technology, Kothar Computing builds scientific computing software to unlock the full potential of R&D teams in the age of heterogeneous computing, AI, and quantum computing. FORGE, built on Kothar's proprietary Quantum Symbolic Algebraic Framework, compresses and accelerates problems to solve them up to 10,000x faster with no coding required. In October 2025, Kothar partnered with Nanoacademic Technologies to create the world's first Quantum Electronic Design Automation (EDA) software suite for modeling and designing quantum chips.

KuSpace Tech

Moscow, Russia Company

KuSpace Technologies (also spelled CuSpace or QSpace Technologies) is a Russian startup founded in 2018, partnering with MISIS University and Russian Quantum Center (RQC) on satellite quantum key distribution experiments providing ground station equipment for quantum satellite links. Scientists from MISIS, RQC, and KuSpace conducted joint experiment on quantum cryptography transmission between Russia and China beginning work with China's Mo-tzu (Mozi) quantum satellite in 2019. The ground station in Zvenigorod created by KuSpace enabled exchange of encoded images with Chinese ground station in Nanshan demonstrating quantum-encrypted communication over 3,800 km between station near Moscow and Urumqi via Mozi satellite. In summer 2023, prototype quantum satellite Impulse-1 developed by NUST MISIS and KuSpace Technologies launched from Vostochny cosmodrome with equipment for testing laser communication channels. KuSpace provides quantum satellite communication technologies and ground station infrastructure supporting Russia's quantum communication network development and international quantum cryptography collaborations.

Lawrence Livermore National Laboratory

Livermore, United States research

Lawrence Livermore National Laboratory (LLNL) is a USA federal research facility founded in 1952, located in Livermore, California, operated by Lawrence Livermore National Security LLC for United States Department of Energy and National Nuclear Security Administration. The Livermore Center for Quantum Science focuses on advancing quantum technology to solve national security challenges including quantum computing, quantum sensing, quantum communications, and quantum materials. LLNL conducts quantum computing research spanning quantum algorithms for scientific simulation, quantum error correction, quantum networking, and integration of quantum computing with high-performance computing for national security applications. The laboratory develops quantum technologies for nuclear stockpile stewardship, materials science, cryptography, and sensing. LLNL serves Department of Defense, Department of Energy, and intelligence community requiring quantum computing capabilities for national security, weapons physics simulation, materials discovery, and secure quantum communications advancing quantum advantage for critical national security missions.

Leibniz Rechenzentrum Quantum Integration Centre

Garching, Germany research

Leibniz Rechenzentrum (LRZ) operates the Quantum Integration Centre which hosts Alpine Quantum Technologies' ion-trap quantum computer, the first of its kind installed in a computing center as of 2024. LRZ integrates quantum computing resources with high-performance classical computing infrastructure to enable hybrid quantum-classical applications. This pioneering integration model demonstrates how research computing centers can provide users with seamless access to both quantum and classical computing resources through unified infrastructure and workflows.

levelQuantum is an innovative quantum technology startup located at PoliHub in Milan, Italy, founded by three passionate scientists with proven track records in R&D, particularly in quantum photonics and quantum information processing. The company focuses on quantum protocols and devices that are based on quantum effects, offering functionalities that surpass existing technologies in security of information transfer, sensitivity of measurements, and speed and accuracy of computations. Co-founded by Prof. Magdalena Stobińska, a professor at the Institute of Informatics of the University of Warsaw and leader of the Quantum Technologies Research Group who specializes in quantum information processing covering applications from communication and cryptography through metrology to quantum computation. Co-founder Adam Buraczewski brings nearly 30 years of IT and software development experience with specialization in numerical modeling of quantum systems. The company is a Principal Investigator and Coordinator of the European MSCA Innovative Training Network AppQInfo.

Lightsynq

San Francisco, United States Company

Lightsynq was a Boston-based startup founded in 2022 that developed advanced photonic quantum solutions including quantum light sources, photonic integrated circuits, and quantum networking components to enable scalable photonic quantum computing and quantum communication systems for applications requiring room-temperature operation and network connectivity. In June 2025, IonQ acquired Lightsynq Technologies to advance quantum computing and networking scalability, bringing over 20 patents to IonQ's portfolio. The acquisition positioned IonQ to strengthen its photonic interconnect capabilities and quantum memory technologies, integrating Lightsynq's expertise in photonic quantum systems with IonQ's trapped-ion quantum computing platform to enable more scalable quantum architectures. 2025 Developments: In June 2025, Lightsynq Technologies was acquired by IonQ for photonic interconnects and quantum memory.

Los Alamos National Laboratory

Los Alamos, United States research

Los Alamos National Laboratory (LANL) is a USA national laboratory founded in 1943 during Manhattan Project, located in Los Alamos, New Mexico, operated by Triad National Security LLC for United States Department of Energy and National Nuclear Security Administration. LANL conducts quantum computing research spanning quantum algorithms, quantum simulation, quantum cryptography, quantum networking, and quantum sensors for national security applications. The laboratory develops quantum technologies for nuclear weapons stewardship, materials science, secure communications, and sensing applications. LANL operates quantum computing testbeds exploring superconducting qubits, trapped ions, and quantum annealing for optimization and simulation problems. The laboratory collaborates with DOE National Quantum Information Science Research Centers and industry partners advancing quantum computing for national security missions. LANL serves Department of Defense, Department of Energy, and intelligence community requiring quantum computing capabilities for weapons physics, cryptanalysis, materials discovery, and quantum-safe cryptography protecting national security information against quantum threats.

Lumai

Pasadena, United States Company

Lumai is a quantum computing and AI company backed by Qubits Ventures. The company focuses on developing advanced computational systems that combine quantum and classical approaches for solving complex problems. Lumai received investment from Qubits Ventures in April 2025 and is developing next-generation computing infrastructure.

Lumenisity

Southampton, United Kingdom Company

Lumenisity is a UK-based photonics company founded in 2017 as spinout from University of Southampton developing hollow core fiber technology for quantum communications and telecommunications. The company CoreSmart hollow core fibers enable ultra-low latency data transmission and enhanced security ideal for quantum key distribution (QKD) networks. Lumenisity was acquired by Microsoft in 2022 to advance hollow core fiber deployment for cloud and quantum networking infrastructure. The company technology reduces signal latency and improves data security compared to traditional solid core optical fibers. Lumenisity serves telecommunications operators, financial services, cloud providers, and quantum communication networks requiring ultra-fast secure data transmission. The company contributes to quantum communications infrastructure development advancing quantum-safe networking and quantum internet infrastructure.

LuxQuanta

Barcelona, Spain Company

LuxQuanta is a Barcelona-based quantum security startup founded in May 2021 as a spin-off from ICFO (The Institute of Photonic Sciences), specializing in quantum key distribution (QKD) systems. The company develops continuous variable QKD (CV-QKD) technology that provides ultra-secure data encryption and is easier to integrate into existing optical network infrastructures. In March 2023, LuxQuanta launched NOVA LQ™, a high-performing CV-QKD solution for intra-city networks. CEO Vanesa Diaz joined as business development manager in 2021 and became CEO a year later. LuxQuanta won the €50,000 equity-free first prize at the Supernova All-Stars Competition held during GITEX Europe 2025, establishing itself among Spain's top quantum computing companies.

Marqov is a quantum technology company focused on solving the replicability crisis in computational research through quantum-classical hybrid computing approaches. The company develops solutions for reproducible computational workflows and verification of scientific computing results, leveraging quantum computing techniques to enhance research integrity and computational verification across scientific domains.

Mbryonics

Galway, Ireland Company

Mbryonics is an Irish photonics company developing optical systems for high-speed secure communications, satellite communications, and 5G networks. The company won the 2024 EY Established Entrepreneurs of the Year award and secured €17.5 million from European accelerators. Mbryonics' photonic systems technology is relevant to quantum communications and quantum networking applications. The company develops advanced optical components and systems that can support quantum key distribution and other quantum communication protocols. Based in Galway, Mbryonics is a key player in Ireland's growing photonics and quantum technology sector, with applications spanning telecommunications, aerospace, and secure communications.

MemQ

San Francisco, United States Company

MemQ develops quantum memory solutions and quantum storage systems that enable the temporary storage and retrieval of quantum information, providing essential components for quantum networks, quantum repeaters, and distributed quantum computing applications where quantum states need to be preserved over time and distance.

Mesa Quantum Systems

Boulder, United States Company

Mesa Quantum Systems is a CU Boulder faculty/alumni-founded company developing quantum computing solutions from the Boulder quantum ecosystem. The startup develops quantum hardware technology. Mesa Quantum represents the continuing commercialization of quantum research from Boulder's world-leading quantum physics programs at JILA, NIST, and CU Boulder.

MetOx International

Houston, United States Company

MetOx International is a Houston-based manufacturer of second-generation high-temperature superconducting (2G HTS) wire and tape founded in 2000, developing cost-effective mass production methods for HTS materials. The company produces Yttrium Barium Copper Oxide (YBCO) superconducting wire with production capacities approaching 100 thousand kilometers per year, serving quantum computing and power industry applications. MetOx's superconducting wire enables quantum computing infrastructure including superconducting qubits, quantum interconnects, and cryogenic quantum systems requiring high-performance superconducting materials. The company's cost-effective manufacturing processes reduce superconductor costs, making quantum computing infrastructure more accessible. MetOx International serves quantum computing manufacturers, research institutions, cryogenic equipment providers, and quantum technology companies requiring reliable, high-quality superconducting wire for quantum processors, quantum communication systems, and quantum sensing applications operating at cryogenic temperatures.

Microsoft Azure Quantum

⚡ Trapped Ion United States

In February 2025, Microsoft unveiled its Majorana-1 chip, a semiconductor-based device that leverages topological qubits, marking a fundamental shift toward scalable quantum computing. The topological qubit is small enough to fit into a hand but powerful enough to be integrated into quantum computers deployed inside Azure data centers. In February 2024, DARPA selected Microsoft Azure Quantum to continue developing a utility-scale quantum computer based on topological qubits, with the next phase focusing on designing a prototype topological quantum computer. In June 2025, a Microsoft Quantum team detailed a novel approach to topological error correction, exploring the application of four-dimensional geometric codes to enhance performance and reduce resource requirements for building practical, fault-tolerant quantum computers. Microsoft and Atom Computing also demonstrated record-breaking entanglement with 24 logical qubits, and Microsoft partnered with Quantinuum to achieve 800x error reduction in logical qubits.

Mitsubishi Electric

Tokyo, Japan Company

Mitsubishi Electric Corporation is a major Japanese multinational electronics and electrical equipment manufacturing company founded in 1921, participating in Japan's Quantum Leap Flagship Program (Q-LEAP) research initiatives. Mitsubishi Electric invested through ME Innovation Fund in quantum startups advancing quantum technology commercialization. The company collaborates with QunaSys developing new approaches in quantum chemistry calculation for materials science and drug discovery applications. Mitsubishi Electric applies quantum computing to optimization problems in manufacturing, logistics, materials science, and industrial automation. The corporation invests in quantum computing research supporting Japan's National Quantum Mission and quantum technology ecosystem development. Mitsubishi Electric serves industrial manufacturing, automotive, aerospace, and electronics sectors requiring quantum-enhanced computational capabilities for complex optimization, simulation, and materials design applications. The company collaborates with Japanese quantum startups, universities, and research institutions advancing practical quantum computing applications for industrial markets.

Monarch Quantum, launched in December 2025 by Rob Williamson, develops Integrated Light Engines designed to simplify the integration, scaling, and commercialization of quantum systems. The company focuses on photonic/optical quantum technology with applications spanning computing, sensing, and communications. Monarch Quantum's mission is 'Delivering Quantum At Scale' and the company emphasizes partnerships as vital to accelerating quantum technology adoption across multiple fields. The launch received engagement from industry figures including Ilyas Khan and Jennifer Strabley.

Montana Instruments

Bozeman, United States Company

Montana Instruments is a USA-based manufacturer founded in 2014, providing integrated charcoal cryo-pumps for high vacuum operation in quantum computing applications. The company develops cryogenic systems and instruments for quantum research and quantum computing operations requiring ultra-low temperature environments. Montana Instruments manufactures cryostats and cryogenic platforms optimized for quantum processor testing, characterization, and operation at millikelvin temperatures. The company's integrated cryogenic solutions enable researchers and quantum computing manufacturers to achieve stable ultra-low temperature environments essential for superconducting qubit operations. Montana Instruments serves quantum computing research laboratories, universities, and quantum hardware manufacturers requiring turnkey cryogenic solutions for quantum processor development, testing, and characterization applications. The company's cryogenic platforms support quantum research across superconducting qubits, spin qubits, and other quantum computing modalities requiring cryogenic operation.

Multiverse Computing

Spain

Multiverse Computing is a leading quantum software company specializing in quantum applications for the financial services industry, offering quantum solutions that provide competitive advantages in portfolio optimization, risk management, and derivative pricing. Founded in 2019 by Enrique Lizaso and Alfonso Rubio-Manzanares, the company has developed Singularity, a comprehensive quantum software platform that enables financial institutions to leverage quantum computing without requiring deep quantum expertise. Multiverse's solutions address critical financial challenges including portfolio optimization with complex constraints, Monte Carlo simulations for risk assessment, and machine learning for algorithmic trading and fraud detection. The company has established partnerships with major financial institutions, central banks, and consulting firms across Europe, North America, and Asia. Their quantum advantage demonstrations have shown significant improvements in optimization problems, with some algorithms achieving exponential speedups over classical approaches. Multiverse Computing's focus on practical, near-term quantum applications in finance positions them at the forefront of the quantum computing revolution in financial services, helping institutions prepare for quantum advantage while navigating the transition from classical to quantum computing paradigms. 2025 Developments: In March 2025, Multiverse Computing secured $27.1 million Series A led by Columbus Venture Partners with Quantonation Ventures. In June 2025, secured $215 million Series B led by Bullhound Capital to scale CompactifAI technology. Series B investors include HP Tech Ventures, SETT, Forgepoint Capital, CDP Venture Capital, Santander Climate VC, and Toshiba. CompactifAI achieves up to 95% AI model compression while maintaining performance. Targeting $106 billion AI inference market

Munich Quantum Instruments

Munich, Germany Company

Munich Quantum Instruments develops state-of-the-art photonic quantum sensors for applications such as optical quantum computing, quantum sensing, and quantum communication. The company is part of the Munich Quantum Valley ecosystem and specializes in creating high-performance single-photon detectors and quantum light sources. Munich Quantum Instruments provides critical components for photonic quantum systems.

Nanofiber Quantum Technologies

Tokyo, Japan Company

Nanofiber Quantum Technologies (NanoQT) is Japan's first startup focused on quantum computer hardware development, employing a unique nanofiber-based Cavity QED (Quantum Electrodynamics) method to construct universal quantum computers. Leveraging over a decade of engineering innovation, NanoQT developed a proprietary nanofiber cavity that unlocks the advantage of cavity QED while maintaining compatibility with optical fiber and existing quantum processing unit architectures. The company's interconnect technology is highly engineered for neutral-atom QPUs, providing a path beyond per-unit scalability limits. NanoQT announced the first closing of its $14 million Series A financing led by Phoenix Venture Partners, following more than $20 million in government R&D grants across Japan and the United States.

NanoSonic

San Francisco, United States Company

NanoSonic develops advanced nanomaterials and coatings for quantum computing applications including low-loss dielectric materials, superconducting films, and specialized substrates that enhance the performance of quantum devices by reducing decoherence and improving qubit quality factors in superconducting quantum systems.

NIST

Gaithersburg, United States research

National Institute of Standards and Technology (NIST) is a USA federal agency founded March 3, 1901, located in Gaithersburg, Maryland and Boulder, Colorado, operating under United States Department of Commerce. NIST conducts quantum computing research developing quantum standards, quantum metrology, post-quantum cryptography standards, and quantum networking protocols. The Joint Quantum Institute (JQI) is collaboration between NIST and University of Maryland conducting fundamental quantum research spanning trapped ions, neutral atoms, superconducting qubits, and quantum simulation. NIST leads National Quantum Initiative coordination through National Quantum Coordination Office housed within White House Office of Science and Technology Policy. In 2024 NIST published first post-quantum cryptography standards (FIPS 203, 204, 205) protecting against quantum computer threats. NIST serves government agencies, industry, and research institutions requiring quantum standards, quantum measurement techniques, and quantum-safe cryptography standards. NIST advances quantum technology through fundamental research, standards development, and technology transfer supporting USA quantum leadership.

Nord Quantique

❄️ Superconducting Canada

Nord Quantique is a pioneering quantum error correction company founded in 2020 in Sherbrooke, Quebec, that develops fault-tolerant quantum computers using bosonic codes and multimode encoding with their breakthrough Tesseract code, exploiting the natural redundancy of photons within quantum modes to achieve built-in error resilience without requiring more physical qubits, demonstrating industry-first quantum error correction at the qubit level with plans to deliver utility-scale machines exceeding 100 logical qubits by 2029 while consuming dramatically less energy than classical HPC systems. November 2025: Selected for DARPA Stage B of Quantum Benchmarking Initiative (up to $15M funding) for superconducting technology with bosonic error correction, advancing toward utility-scale quantum computing by 2033. 2025 Developments: In February 2025, Government of Canada invested $8.1 million in Sherbrooke's quantum sector including Nord Quantique. Funding enabled acquisition of dilution refrigerators and quantum control electronics. In May 2025, announced multimode quantum encoding technology that cuts qubit count and boosts error correction. Secured supply chain for quantum chip manufacturing.

NTT Research

Sunnyvale, United States Company

NTT Research Inc. is the US research division of NTT (Nippon Telegraph and Telephone) founded in 2019, headquartered in Sunnyvale, California. NTT Research Physics & Informatics Laboratories conduct quantum computing research developing optical parametric oscillators (OPO) for quantum computing and quantum algorithms. The company collaborates with universities and quantum institutions advancing quantum computing hardware and quantum applications. NTT Research explores quantum optimization quantum machine learning and quantum simulation using coherent Ising machines and other quantum-inspired approaches. The company serves quantum research community and enterprise clients requiring quantum computing capabilities. NTT Research contributes to quantum computing advancement combining Japanese quantum research excellence with Silicon Valley innovation advancing practical quantum computing systems and quantum technology commercialization.

Nu Quantum

London, United Kingdom Company

Nu Quantum is a UK quantum networking company founded in 2018 as a University of Cambridge spinout that develops quantum photonic hardware including room-temperature single-photon sources and detectors for quantum networking applications, pioneering breakthrough Qubit-Photon Interfaces (QPIs) that enable 100x better entanglement rates than current lab state-of-the-art for distributed quantum computing networks, awarded £2.3 million UK government contract to deliver the world's first modular rack-mount scalable quantum data center prototype with Cisco, building industrialized distributed quantum computing systems at the UK's National Quantum Computing Centre using proprietary optical microcavity technology with micron-level precision and sub-80 picometre stability for quantum processor networking. 2025 Developments: In March 2025, Nu Quantum partnered with Cisco, NTT DATA, OQC, QphoX, Quantinuum, and QuEra to launch Quantum Datacenter Alliance. In June 2025, launched Quantum Networking Unit (QNU), first industrialized rack-mounted system for distributing entanglement. Hosted inaugural Quantum Datacenter Alliance Forum in London (June 2025).

NVIDIA

Santa Clara, United States Company

NVIDIA provides quantum computing services and infrastructure through their CUDA Quantum platform and DGX Quantum systems that enable hybrid quantum-classical computing by combining quantum processors with NVIDIA's GPU-accelerated computing platform, offering quantum simulation capabilities, quantum circuit optimization, and quantum machine learning tools that leverage classical GPU computing to enhance quantum algorithm development and execution across various quantum hardware platforms. November 2025: NVIDIA expanded NVQLink open reference architecture partnerships with Oxford Quantum Circuits (OQC) and Orca Computing for real-time, low-latency connectivity between quantum and AI supercomputing systems. NVIDIA's venture arm NVentures participated in Quantinuum's $600M funding round at $10B valuation. CUDA-Q platform integration expanded across major quantum hardware providers. 2025 Developments: In September 2025, announced NVIDIA Advanced Quantum Computing (NVAQC) research center in Boston focused on hybrid quantum-classical algorithms and drug discovery. Invested in SandboxAQ's $150M round alongside Google. Founding collaborator for Quantinuum's Accelerated Quantum Research Center. Partnerships with Classiq, Quandela, and quantum hardware providers continue expanding.

NVision

Ulm, Germany Company

NVision was established as a spin-off from the University of Ulm's Institute of Quantum Optics and Institute of Theoretical Physics, leveraging nitrogen-vacancy centers in diamond for quantum sensing applications in medical imaging. Founded by Prof. Fedor Jelezko, Prof. Martin Plenio, Prof. Alex Retzker, and Ilai Schwartz (CTO), with Dr. Sella Brosh serving as CEO. The company raised $30 million Series A in June 2023 to deploy quantum-powered hyperpolarizers for MRI imaging, enabling earlier cancer treatment assessment. NVision's technology fundamentally changes medical MRI by dramatically improving sensitivity through dynamic nuclear polarization using NV centers in diamond. The company bridges quantum physics and clinical medicine.

Oak Ridge National Laboratory

Oak Ridge, United States research

In 2024-2025, Oak Ridge National Laboratory achieved several major quantum computing milestones. In September 2025, Riverlane's Deltaflow 2 real-time quantum error correction system was installed at ORNL, marking the first dedicated real-time QEC integration at a U.S. national laboratory. Also in September 2025, ORNL and Australian-German company Quantum Brilliance inaugurated the United States' first on-site commercial quantum-computer cluster, the first of its kind to integrate a diamond-based quantum processor into a high-performance computing (HPC) environment. On August 29, 2025, ORNL released a comprehensive study outlining software architecture designed to integrate quantum computers with the world's fastest supercomputers, notably the exascale machine Frontier. In November 2024, ORNL added IQM Resonance quantum cloud service to its Quantum Computing User Program. In August 2025, ORNL researchers developed a quantum microscope for nanoscale imaging and a multihop quantum network integrating with fibre-optic infrastructure. These developments demonstrate ORNL's leadership in quantum-HPC integration.

OptQC

Tokyo, Japan Company

OptQC is a Japanese photonic quantum computing company building highly scalable, general-purpose optical quantum computers operating at room temperature using time-domain multiplexing technology. Founded on 25 years of optical quantum computing research at University of Tokyo. November 2025: Signed collaboration agreement with NTT Corporation to develop optical quantum computers targeting 10,000 qubits by 2027 and 1 million qubits by 2030. 2025 Developments: First commercial optical quantum computer scheduled for April 2026. Target: 10,000 quantum modes processor by 2028. Technology enables room-temperature operation and scalable quantum computing without cryogenic cooling. Partnership with NTT leverages Japan's photonics and telecommunications expertise.

ORCA Computing

💡 Photonic United Kingdom

ORCA Computing is a University of Oxford spinout founded in 2019 developing photonic quantum computers using single photons and time-bin encoding. The company's technology operates at room temperature without complex cryogenic cooling. In October 2024, ORCA launched the PT-2 system featuring Sparrow Quantum's photon chip technology, achieving 4,000x performance increase over PT-1 with 90 effective qubits. The PT-2 enables quantum-enhanced generative AI capabilities. 2025 Developments: Selected for UK National Quantum Computing Centre (NQCC) Testbed Programme. Continued expansion of cloud-accessible quantum computing services. Partnerships with defense, aerospace, and enterprise customers for optimization and machine learning applications. Focus on building toward fault-tolerant photonic quantum computing with PT-3 roadmap targeting 2026.

Origin Quantum

❄️ Superconducting China

On January 6, 2024, China's third-generation superconducting quantum computer 'Origin Wukong' became operational, powered by a 72-qubit 'Wukong chip' (198 qubits total including 72 working qubits and 126 coupler qubits). As of 2024-2025, Origin Wukong has surpassed 20 million international visits from 139 countries and regions worldwide, with the United States accounting for most interactions. Since launch, Origin Wukong has completed over 339,000 quantum computing tasks across various industries including fluid dynamics, finance, and biomedicine. In May 2025, China unveiled its fourth-generation self-developed quantum control system, Tianji 4.0, capable of supporting over 500 qubits. As of October 2024, the Wukong 72-qubit indigenous superconducting quantum chip has been running smoothly for nine months. China has upgraded its first independently developed superconducting quantum computer production line and achieved local production of key quantum computing modules for Origin Wukong, marking China's first instance of automated batch testing of quantum chips.

Oxford Instruments

London, United Kingdom Company

Oxford Instruments is a UK-based scientific instruments company founded in 1959 as the first commercial spin-out from Oxford University that has become a leading provider of cryogenic systems essential for quantum computing, developing the Proteox family of dilution refrigerators including the ProteoxQX modular systems exceeding 3 meters in height with scalable workspace for large quantum processing units, providing 25 µW cooling power at 20 mK temperatures and comprehensive I/O capacity for qubit scale-up, serving quantum computing companies like Oxford Quantum Circuits and Rigetti before selling their NanoScience quantum-focused division to Quantum Design for £60 million to focus on other scientific instrument applications. November 2025: Oxford Instruments announced participation in a major quantum-AI data center initiative in New York City, contributing cryogenic systems and quantum enabling technologies to support next-generation quantum computing infrastructure for AI applications. November 2025: Oxford Instruments announced participation in a major quantum-AI data center initiative in New York City, contributing cryogenic systems and quantum enabling technologies to support next-generation quantum computing infrastructure for AI applications.

Oxford Ionics

⚡ Trapped Ion United Kingdom

Oxford Ionics is a UK-based quantum computing company that pioneered trapped ion technology manufactured using standard semiconductor chips, achieving world records for trapped ion fidelity. In June 2025, IonQ announced acquisition for $1.075 billion ($1.065B stock + $10M cash), completed September 2025. UK government approved acquisition under National Security and Investment Act with conditions: hardware and core operations must remain in Britain. This ensures technology development continues in UK while benefiting from IonQ's resources and commercialization capabilities. Integration plans with IonQ: 256 physical qubits at 99.99% accuracy by 2026, 10,000+ physical qubits at 99.99999% logical accuracy by 2027, 2 million physical qubits by 2030. The acquisition strengthens IonQ's vertical integration strategy and brings world-class ion trap technology and manufacturing expertise. Oxford Ionics' approach using standard semiconductor processes enables scalable production of high-fidelity quantum processors.

Oxford Quantum Circuits

❄️ Superconducting United Kingdom

Oxford Quantum Circuits (OQC) is a UK-based quantum computing company developing superconducting quantum computers with innovative 3D Coaxmon architecture. Built Europe's most advanced quantum systems. September 2025: Launched world-first Quantum-AI Data Centre in NYC (Digital Realty JFK10) - GENESIS quantum computer with NVIDIA GH200 Grace Hopper Superchips. Part of UK-US tech trade partnership. June 2025: Published ambitious roadmap - OQC Titan (200 logical qubits, 10^-6 error rate by 2028), OQC Kronos (5,000 logical qubits by 2031), OQC Aion (50,000 logical qubits by 2034). March 2025: Launched Architect platform with Oxford Instruments and Quantum Machines - educational 8-qubit system with Lucy Gen2 processor. October 2025: NVIDIA NVQLink partnership for quantum-AI supercomputing integration. Technology achievement: 99.8% two-qubit fidelity in 25 nanoseconds (fastest/most accurate gates recorded). Global presence across Europe, North America, Asia.

ParityQC

Austria

ParityQC is the world's only quantum architecture company founded in 2020 as a University of Innsbruck spinoff by Wolfgang Lechner and Magdalena Hauser, developing blueprints and ParityOS operating system for highly scalable quantum computers using parity quantum optimization, featuring a compiler that translates optimization problems to quantum algorithms with tailored hardware designs, with their architecture implemented in NEC's first quantum processor and collaborations with DLR Quantum Computing Initiative to advance scalable, error-corrected quantum computing for industry applications.

Pasqal

⚛️ Neutral Atom France

Pasqal is a Paris-based neutral atom quantum computing company founded as spinoff from Institut d'Optique. Total financing €140+ million, including €100 million Series B (January 2023) led by Temasek. Investors: Quantonation, Defense Innovation Fund, Daphni, Eni Next, EIC Fund, Wa'ed Ventures, Bpifrance. December 2025: Integrated into Scaleway's Quantum-as-a-Service (QaaS) platform, reinforcing sovereign cloud infrastructure for European users with direct cloud access to Pasqal's neutral-atom QPUs. November 24, 2025: Deployed Saudi Arabia's first quantum computer in partnership with Aramco - a 200-qubit neutral-atom system for industrial applications, the first in the Middle East. Government contracts: €13 million from EuroHPC JU for EuroQCS-Italy (CINECA, Bologna). Partnerships: Scaleway (QaaS cloud), Singapore National Quantum Programmes (MRCA signed November 2025), Welinq for quantum interconnects (April 2024), IBM Qiskit integration. Technology: Orion Beta platform deployed at France's GENCI and Germany's Forschungszentrum Jülich. Technical milestone: Successfully loaded over 1,100 neutral atoms in a single shot. Roadmap: 250-qubit QPU for quantum advantage (H1 2026), 10,000-qubit QPUs (2026-2027). Market positioning: neutral atom quantum processors with focus on HPC integration, European sovereign cloud access via Scaleway, IBM partnership, strong European and Middle East government support. European IPO anticipated for late 2025.

Peak Quantum

Munich, Germany Company

Peak Quantum is a spin-off from the Walther Meißner Institute developing robust processors for quantum computers with a novel, fault-tolerant architecture that are ten times more reliable than current models. The company is part of the Munich Quantum Valley ecosystem and focuses on creating more stable qubits through advanced error correction techniques. Peak Quantum aims to address one of the biggest challenges in quantum computing: maintaining qubit coherence.

Peking University Quantum Materials and Devices Center

Beijing, China research

Peking University Quantum Materials and Devices Center is a major research center for quantum materials, devices, and computing, contributing talent to Chinese quantum companies. The center conducts fundamental research on quantum materials and devices. The center's research spans topological materials, superconducting materials, and quantum devices, providing scientific foundations for China's quantum hardware development and training the next generation of quantum scientists.

Perceval

Massy, France Company

Perceval is an open-source quantum photonic development toolkit developed by Quandela that offers a Python-based framework for simulating, designing, and experimenting with photonic quantum circuits and algorithms. Through a simple object-oriented Python API, Perceval provides tools for composing circuits from linear optical components, defining single-photon sources, manipulating Fock states, running simulations, and experimenting with new quantum algorithms. Interfaced with QPUs on Quandela cloud, enabling computations on actual photonic computers. In 2024, EuroHPC JU selected Quandela consortium for EuroQCS-France initiative, providing remote access to 12-qubit photonic quantum computer. Published in Quantum journal as open-source platform for discrete-variable photonic quantum computers. Partnership with OVHcloud makes Perceval available for developers to run quantum algorithms by simulating optical processors on OVH Cloud.

Photon Queue

Champaign, United States Company

Photon Queue is the first startup from University of Illinois Urbana-Champaign accepted into Duality Accelerator and the first quantum-focused UIUC startup, led by current and former PhD students from physics professors Paul Kwiat and Virginia Lorenz's labs, based on research from Kwiat's group. The company develops efficient and less costly quantum memories by storing single photons in free-space storage loops using optical switches paired with high-reflectivity mirrors, avoiding complex transduction processes required by other quantum memory approaches. Photon Queue's unique approach keeps photonic qubits intact through motion in compact spaces, avoiding costly cryogenics, ovens, or vacuums, designed to work with virtually any single photon source. The technology uses multiplexed optical delay lines and Herriott cells for compact, efficient photon storage. Photon Queue joined Chicago Quantum Exchange as corporate partner. Applications include quantum communication, computing, and metrology requiring photon storage and retrieval for quantum information processing and distributed quantum systems.

Photon Spot

Monrovia, United States Company

Photon Spot is a California-based company specializing in sub-Kelvin cryogenic systems and superconducting nanowire single-photon detectors (SNSPDs) for quantum technology applications. Founded in 2009 and headquartered in Monrovia, California, the company offers detectors with ultralow dark counts, precise timing resolution, and high quantum efficiency, combined with cryogenic systems operating at temperatures below 1 Kelvin. Photon Spot's products serve quantum communications, quantum computing, quantum sensing, and semiconductor diagnostics applications. The company's ultra-compact, ultra-low vibration cryogenic systems support time-resolved imaging applications benefiting integrated circuit manufacturers and quantum technology researchers. Primary customers include research institutions, national laboratories, and companies engaged in quantum-related research and development. Backed by investors including the National Science Foundation, Photon Spot represents American innovation in single-photon detection technology critical to photonic quantum computing, quantum key distribution, and quantum metrology applications.

Photonic Inc

🔌 Spin Qubit Canada

Photonic Inc develops distributed, fault-tolerant quantum computers using silicon 'T centre' spin qubits optically linked via telecom fiber. 150+ employees in Vancouver, US, UK. Total funding: $140M (including $100M from Microsoft, BCI, UK NSSIF). November 2025: Advanced to DARPA QBI Stage B (up to $15M). Stage A blueprint validated utility-scale design based on optically-linked silicon spin qubits. September 2025: Nature Photonics publication - first electrically-injected single-photon source in silicon (with Simon Fraser University). New diode nanocavity devices for electrical control over silicon color center qubits. August 2025: Selected as Canadian Defence IDEaS semi-finalist - $1M CAD grant for quantum repeater technology supporting NORAD modernization. Networking is native feature - qubit modules entangled via telecom-fiber links. Targeting utility-scale quantum computing by 2033.

Planckian

Roma, Italy Company

Planckian is a Pisa-based quantum technology startup that emerged as a joint spinoff from the University of Pisa and Scuola Normale Superiore to pioneer groundbreaking solid-state energy technology using quantum mechanics. The company secured €2.7 million in pre-seed funding in July 2023 led by CDP Venture, Exor Ventures, and private investors to transcend traditional electrochemical approaches in energy technology. Planckian's research focuses on leveraging quantum effects to enable qubits to achieve collective higher energy states, with potential applications in revolutionizing sustainable energy solutions including quantum batteries capable of indefinite energy storage. The company also develops superconducting quantum computers with innovative global control schemes, combining quantum battery research with quantum computing hardware development. Founded by leading quantum researchers including Marco Polini (Chief Scientific Officer) and Vittorio Giovannetti (Executive Scientific Advisor), Planckian represents Italy's push into quantum energy applications and next-generation quantum processor architectures.

PlanQC

⚛️ Neutral Atom Germany

In July 2024, planqc secured €50 million in Series A financing led by CATRON Holding and DeepTech & Climate Fonds, with investment to be used to establish a quantum computing cloud service and develop quantum software for industries such as chemistry, healthcare, and finance. Planqc was selected to lead a €20 million project funded by the German Federal Ministry of Education and Research to build and deploy a 1,000-qubit quantum computer at the Leibniz Supercomputing Centre in Germany through the 'Multicore Atomic Quantum Computing System' (MAQCS) project. In May 2023, planqc received a €29 million order from the German Aerospace Centre (DLR) to develop a scalable neutral-atom quantum computing platform. Planqc's technology, built on award-winning research at the Max-Planck-Institute for Quantum Optics, uses individual atoms confined in crystals of light as qubits, with the company demonstrating scaling of neutral atoms to 1,200 qubits. Investment in neutral atom quantum computing now exceeds $300 million across companies like Planqc, Atom Computing, and Infleqtion.

PLASSYS-BESTEK

Marolles-en-Hurepoix, France Company

PLASSYS-BESTEK, founded in 1987, is a French company providing high-performance vacuum and ultra-high vacuum solutions for innovative thin film material deposition. PLASSYS-BESTEK is a recognized leader in equipment for quantum technologies, having designed top-level deposition tools since the early 2000s that are now central to manufacturing superconducting qubits and other quantum devices. The company supplies custom-designed systems for prestigious research laboratories, universities, and industrial manufacturing plants. In October 2025, PLASSYS-BESTEK delivered the SQUID-6 UHV, a state-of-the-art quantum chip fabrication equipment, to Alice & Bob as part of the ULTRACAT project supported by France's defense innovation agency (AID). The SQUID-6 UHV is a fully automated, ultra-high vacuum deposition system employing a modular cluster architecture that minimizes chip exposure to cross-contamination, reducing material imperfections and guaranteeing high-quality Quantum Processing Units (QPUs). PLASSYS's core technologies include vacuum evaporation (thermal/e-beam), sputtering, and ion etching, along with production systems for diamond growth via PECVD. PLASSYS equipment is vital for applications in semiconductor technology, superconductors, nano-electronics, optics, photonics, and spintronics.

Pristine Diamonds

Ahmedabad, India Company

Pristine Diamonds is an Indian quantum technology company developing advanced diamond materials with nitrogen-vacancy (NV) centers for quantum sensing applications. The company leverages India's diamond industry expertise to create high-purity synthetic diamonds optimized for quantum applications. Selected as one of eight startups under India's National Quantum Mission with INR 30 crore in funding support. Pristine Diamonds focuses on producing diamond substrates and sensors for magnetic field detection, temperature sensing, and quantum computing applications. The company's NV-center diamond technology enables ultra-sensitive magnetic field measurements for applications in medical imaging, materials characterization, and navigation systems.

PsiQuantum

💡 Photonic United States

PsiQuantum is building utility-scale fault-tolerant photonic quantum computers with unprecedented funding scale. September 2025: Raised $1 billion Series E at $7 billion valuation led by BlackRock, Temasek, and Baillie Gifford. New investors include NVentures (NVIDIA), Qatar Investment Authority, Macquarie Capital, Morgan Stanley Counterpoint Global. Total funding now exceeds $2 billion. Integrated Barium Titanate (BTO) into manufacturing - world's highest-performing electro-optic material for quantum switches. November 2025: MOU with Lockheed Martin for aerospace/defense quantum algorithms. DARPA US2QC Phase 3 selection. Constructing utility-scale facilities in Brisbane (Australia) and Chicago, plus 130,000 sq ft California test facility. Partnership with NVIDIA on quantum algorithms, GPU-QPU integration, and silicon photonics. GlobalFoundries 300mm wafer manufacturing collaboration. First system: 1 million physical qubits targeting 2027-2029. Market positioning: highest-funded quantum company, photonic technology leader with Australian government backing and major enterprise partnerships.

Q-Block Computing

Toronto, Canada Company

Q-Block Computing is a vertically integrated quantum computing startup focused on delivering fault-tolerant quantum devices for advanced computation, communication, and sensing. The company commercializes a scalable and integrated quantum photonic platform called the Q-block module, inspired by today's superscalar processing architectures with distributed precision timing. Q-block modules are deployed as exquisite quantum clocks and resilient quantum communication devices for the defense and security sector. The company offers miniature interference-filter-based external cavity diode lasers and monolithic thermally-compensated laser resonators that have been stabilized to control complex atoms and photons in quantum systems.

Q-CTRL

Australia

Q-CTRL is a leading quantum technology company specializing in quantum control infrastructure software that makes quantum computing hardware more stable, reliable, and useful. Founded in 2017 by Michael Biercuk, a quantum physicist from the University of Sydney, Q-CTRL has developed a comprehensive suite of quantum firmware and software tools that apply machine learning and control theory to reduce errors in quantum systems. The company's products include Fire Opal for quantum circuit optimization, Black Opal for quantum computing education, and Boulder Opal for quantum control optimization. Q-CTRL's technology has been validated on quantum computers from major providers including IBM, Google, and Rigetti, demonstrating significant improvements in quantum algorithm performance through error suppression and noise mitigation. August 2025: DARPA selected Q-CTRL for the Robust Quantum Sensors (RoQS) program with an A$38M (US$24.4M) contract for field-validated quantum sensing technologies for high-performance military vehicles. On September 16, 2025, Q-CTRL announced a strategic partnership with QUCAN Quantum Technologies (QUCAN), merging complementary strengths in quantum control software and hardware to deliver quantum sensing solutions optimized for real-world field deployment, initially targeting defense and aerospace applications. On October 9, 2025, Q-CTRL's Ironstone Opal, a ruggedized quantum sensor system designed for navigation in GPS-denied environments, was named one of TIME magazine's Best Inventions of 2025, recognized for its ability to provide precise positioning data where traditional navigation systems fail. Market positioning: critical infrastructure provider in quantum computing stack, expanding into defense quantum sensing with major DARPA backing.

Q-NEXT Quantum Research Center

Lemont, United States research

Q-NEXT is a U.S. Department of Energy National Quantum Information Science Research Center led by Argonne National Laboratory. Q-NEXT focuses on quantum networking and interconnecting quantum technologies. November 2025: DOE renewed Q-NEXT funding with $125 million over five years to continue building quantum interconnection capabilities. The center develops quantum repeaters, transducers, and networking technologies to connect quantum computers and sensors. Key partners include multiple national laboratories, universities, and industry leaders working on quantum communication and networking technologies.

Q.ANT

Munich, Germany Company

Q.ANT develops photonic quantum computing technologies and quantum photonics components for quantum information processing, quantum sensing, and quantum communication applications, leveraging advanced photonic integration and quantum optics to create practical quantum systems for commercial and research applications.

QBee

Brasschaat, Belgium Company

QBee is a Belgian quantum technology startup founded in 2020 by Koen Bertels in Brasschaat, Belgium. The company focuses on quantum computer architectures, quantum accelerators, quantum computing simulators, quantum high-level programming, quantum genomics, and quantum finance. QBee defined the full stack for a quantum accelerator, which serves as the ultimate heterogeneous co-processor to be added to any modern computer. Koen Bertels heads the Quantum Computer Architectures Lab and is a principal investigator in QuTech, collaborating with experimental physicists on building prototype quantum processors. QBee provides education and consultancy services and has won the German Deloitte competition on global warming. The company works on chemistry, genetics, and space applications.

Qblox

Amsterdam, Netherlands Company

Qblox is a Dutch quantum control hardware company founded in 2019 as QuTech spinoff, developing 'Cluster' modular control stacks. Series A: $26M led by Quantonation and Invest-NL Deep Tech. November 2025: DOE announced partnership with Fermilab to coordinate manufacturing and distribution of QICK (Quantum Instrumentation Control Kit) open-source platform. Selected for DARPA QBI alongside Keysight, Quantum Machines, and Zurich Instruments. November 2025: Partnered with QuantWare and Q-CTRL to launch Quantum Utility Block (QUB) pre-integrated superconducting system. February 2025: Joint research with QphoX and Rigetti published in Nature Physics - demonstrated superconducting qubit readout using optical transducer. 146 employees. Hardware-agnostic Cluster stack supports thousands of qubits across multiple qubit types.

Qboson

Beijing, China Company

Qboson is a Beijing-based quantum computing startup that secured angel financing to build quantum computers and establish quantum computing laboratories in China. The company focuses on developing quantum computing hardware and research capabilities, contributing to China's national quantum technology initiatives and advancing quantum computing research and development. Qboson works on quantum processor development, quantum system integration, and quantum computing research applications for academic and commercial applications. The company collaborates with Chinese universities and research institutions to advance quantum computing capabilities and develop practical quantum computing systems for various applications including optimization, simulation, and quantum algorithm research.

QDaria is a Norwegian quantum computer startup founded in early 2025 by a team of quantum computing PhDs and AI experts, headquartered in Oslo with a satellite office in Silicon Valley. The company is working towards developing a large-scale Topological Quantum Computer using Fibonacci Anyons. QDaria has partnered with Rigetti Computing to launch the Novera QPU, positioning them at the forefront of quantum computing in Norway. The company has established strategic partnerships with Norwegian University of Science and Technology (NTNU) and the Quantum Technology Centre at University of Oslo. QDaria was recognized among the top 25 most promising startups worldwide and top 5 in Europe, invited to present at Davos Innovation Week. CEO Daniel 'Mo' Houshmand leads the company. QDaria's QDiana AI agent can understand problems in natural language, map them to quantum algorithms, and interpret results. The company expects to release TeHaA v1.0, a large language model enhanced by quantum-inspired methods running on the Novera QPU.

QDoor

Beijing, China Company

QDoor provides quantum computing cloud services, quantum software development platforms, and quantum algorithms for Chinese enterprises and research institutions. The company offers quantum computing as a service (QCaaS) with access to superconducting quantum processors, develops quantum programming frameworks and tools, and focuses on applications in optimization, machine learning, financial modeling, and drug discovery for the Chinese market.

Qike Quantum

Beijing, China Company

Qike Quantum (QuDoor/Guokaike Quantum Technology) designs quantum communication devices and quantum computers for military, government, finance, telecom, and power sectors in China. The Beijing-based company develops quantum hardware for secure communications and quantum computing. Qike Quantum serves China's national quantum technology strategy by providing quantum equipment for critical infrastructure and government applications requiring quantum-level security and computing capabilities.

Qilimanjaro

Madrid, Spain Company

Qilimanjaro Quantum Tech is a Barcelona Supercomputer Center spinout founded in 2019 that develops quantum computing solutions combining quantum annealing and gate-model quantum computing approaches, creating hybrid quantum-classical systems that can solve optimization problems and quantum simulations for industries including finance, logistics, and materials science, leveraging Spain's supercomputing expertise and European quantum initiatives to advance practical quantum computing applications with focus on near-term quantum advantage in optimization and simulation problems. In September 2025, Qilimanjaro announced a strategic partnership with Qblox, a Netherlands-based quantum control hardware company, to integrate Qblox's control electronics with Qilimanjaro's superconducting quantum processors, enabling enhanced scalability and performance for their quantum computing systems through advanced control and readout capabilities. In October 2025, Qilimanjaro joined the IMPAQT UA cooperative consortium as the first analog quantum computing company, focused on building interoperable and scalable quantum systems through collaborative research and development with other European quantum technology organizations. In October 2025, Qilimanjaro Quantum Tech and QURECA signed a collaboration agreement for quantum education, including workshops on analog and hybrid quantum computing with hands-on access to Qilimanjaro's platform to advance quantum computing education and workforce development. 2025 Developments: In October 2025, pioneered QiliSDK, an open-source Python framework.

Qnami

Zürich, Switzerland Company

Qnami is a Swiss quantum sensing company founded in 2016 that develops quantum sensing and microscopy systems using nitrogen-vacancy (NV) centers in diamond for ultra-precise magnetic field measurements, providing quantum sensors and scanning probe microscopes that enable researchers and industries to perform nanoscale imaging and sensing applications in materials science, life sciences, and nanotechnology with unprecedented sensitivity and resolution for magnetic field detection, temperature sensing, and quantum state characterization.

Qnity

São Paulo, Brazil Company

Qnity is a Brazilian deep-tech startup developing quantum-electrochemical devices for ultra-sensitive drug discovery and molecular screening. 2025: Winner of World Economic Forum's Quantum for Sustainability challenge. Exhibiting at BIO International Convention 2025. Part of Brazil's quantum ecosystem alongside FAPESP QuTIa program (launched December 2024, BRL 31M budget). Technology: quantum-enhanced electrochemical sensors enabling detection of molecular binding events and chemical reactions at unprecedented sensitivity. Applications: pharmaceutical development, molecular affinity assays, biologics screening. Based in São Paulo, serving pharmaceutical and biotechnology industries in Brazil and Latin America.

Qolab

San Francisco, United States Company

Qolab is a Madison, Wisconsin-based superconducting quantum computing company founded in 2022 by Dr. John Martinis, former Google Quantum AI lead scientist, and Dr. Robert McDermott from the University of Wisconsin-Madison. The company secured over $16 million in Series A financing led by Octave Ventures with co-investment from Development Bank of Japan Inc., Wisconsin Alumni Research Foundation, and Phoenix Venture Partners to develop reliable, high-performance quantum processors. December 2025: Deployed its superconducting qubit system at the Israeli Quantum Computing Center - the world's first facility outside Qolab's home lab to host their hardware. Led by CEO Alan Ho, Qolab combines a physics-driven approach with a focus on qubit quality and practical hardware solutions, leveraging semiconductor fabrication tools and innovative scaling techniques. The company's mission is to develop utility-scale quantum computing technology that meets growing demand for reliable quantum processors.

Qomputing.AI is an Indian quantum computing company founded by Saurabh Sharma, focused on building tools to make scalable quantum computing more accessible and exploring its intersection with AI for next-generation problem-solving. The company develops an integrated suite of tools that empowers developers, researchers, and quantum enthusiasts to harness the full potential of quantum computing from development to deployment. Qomputing.AI is active in educational initiatives, offering immersive quantum computing workshops and training programs in collaboration with Indian institutions including IIT Bombay and IIT Madras, where theory meets practice and classical computing boundaries are redefined.

QphoX

Amsterdam, Netherlands Company

QphoX develops quantum transduction systems (microwave-to-optical conversion) - critical components for quantum networking and quantum data centers. November 2025: Selected by EIC for €10M ($11.5M) equity investment under STEP Scale-Up scheme to strengthen European quantum supply chain. September 2025: Rigetti collaboration awarded $5.8M AFRL contract for superconducting quantum networking. October 2025: Launched Meet-Q project with Welinq and Sorbonne University for optical quantum interconnects. May 2025: NQCC grant with Rigetti to scale optical qubit readout system for 9-qubit Novera QPU. February 2025: Nature Physics publication with Rigetti and Qblox - breakthrough superconducting qubit readout using optical transducer via fiber optics. Part of Quantum Datacenter Alliance with Cisco, Nu Quantum, OQC, Quantinuum.

QRATE

Moscow, Russia Company

QRATE develops quantum key distribution (QKD) and quantum-secure communication systems, providing hardware and software solutions for quantum-safe data transmission. The Russian company manufactures quantum encryption equipment and offers turnkey quantum communication networks for government and commercial customers focusing on securing critical infrastructure and sensitive data against quantum threats.

Qruise

Munich, Germany Company

Qruise is a German quantum control software company founded in 2018 as a Forschungszentrum Jülich spinoff that develops machine learning-powered software for quantum device development, creating 'digital twin' simulators and automated optimization algorithms that replace manual work traditionally done by quantum physicists, with strategic partnerships with Quantum Machines and Zurich Instruments to integrate their ML Physicist software into quantum control systems for automated qubit tune-up, gate optimization, and device characterization across superconducting and Rydberg atom quantum platforms.

QuamCore

Haifa, Israel Company

QuamCore is an Israeli deep tech startup founded in 2022 developing a patented superconducting quantum processor architecture capable of integrating 1 million qubits into a single cryostat. The company emerged from stealth in March 2025 with $9 million in seed funding led by Viola Ventures and Earth & Beyond Ventures, with participation from Surround Ventures and international strategic investors. QuamCore's breakthrough technology moves control electronics inside the cryostat, reducing cabling by over 1,000x compared to traditional approaches and solving the heat management bottleneck that previously limited systems to approximately 5,000 qubits per cryostat. This innovation dramatically reduces the size, energy consumption, and cost of quantum computers. The leadership team includes CEO Alon Cohen (former EyeC Radar Group co-founder at Mobileye/Intel with 40+ patents), CTO Prof. Shay Hacohen-Gourgy (Technion professor with 15+ years in superconducting quantum research), Chief Scientist Prof. Serge Rosenblum (Weizmann Institute researcher), and Senior Advisor Prof. Eby G. Friedman (University of Rochester expert in superconducting digital circuits). Target applications include pharmaceuticals, AI, materials science, and energy sectors.

Quan2D Technologies

Bengaluru, India Company

Quan2D Technologies is a Bengaluru-based quantum hardware company selected for support under India's National Quantum Mission by the Department of Science and Technology (DST). The company specializes in developing superconducting nanowire single-photon detectors (SNSPDs) for quantum communication, quantum computing, and quantum sensing applications. Quan2D's SNSPDs are critical components enabling quantum key distribution, satellite-based secure quantum communications, and multi-node quantum networks. The company contributes to India's goal of developing satellite-based secure quantum communications between ground stations over 2000 km within India, long-distance secure quantum communications with other countries, and inter-city quantum key distribution networks with quantum memories.

Quanastra

Delhi, India Company

Quanastra Pvt. Ltd. is a Delhi-based quantum hardware company selected under India's National Quantum Mission (NQM), developing cutting-edge superconducting nanowire single-photon detectors (SNSPDs) and advanced cryogenic systems for quantum communication, computing, and imaging applications. The company offers custom SNSPD chips in seven configurations for wide-ranging quantum and research applications, providing high-efficiency superconducting solutions for quantum tech, telecom, and scientific research. Quanastra creates customizable cryogenic systems and advanced superconducting detectors to support quantum sensing and communication efforts. Selected startups receive infrastructure, mentoring, and industry connections through rigorous evaluation by the I-HUB Quantum Technology Foundation, accelerating innovation in secure communication, superconducting systems, and sensing technologies.

Quandela

💡 Photonic France

Quandela is the European leader in photonic quantum computing, using single-photon sources and room-temperature operation. February 2025: Major breakthrough - 100,000x reduction in components needed for fault-tolerant calculations. Reduces manufacturing costs and energy consumption (systems expected <1MW). October 2025: Delivered Lucy (12-qubit) to CEA's TGCC for EuroHPC. 80% European-sourced components including all critical parts. November 2025: OVHcloud to offer Quandela systems (BELENOS 12-qubit, CANOPUS 24-qubit) via cloud mid-2026. MerLin quantum ML language coming to OVHcloud. July 2025: Mila (Quebec AI Institute) partnership for quantum ML. Seoul Metropolitan Government partnership for 128-qubit quantum center. Franco-German Quantum Dialogue participation. Preparing fundraising of several hundred million euros. Total funding: €107M+.

Quanfluence

Bengaluru, India Company

Quanfluence is a Bengaluru-based quantum technology startup founded in 2021 by Sujoy Chakravarty, Aditi Vaidya, Biman Chattopadhyay, Gopal Krishna Nayak, Ravi Mehta, and Anil Prabhakar. The company develops photonics-based quantum solutions including single photon detectors, advanced computing hardware, Ising machines, and qubits quantum computers. Quanfluence's Optical Ising Machine addresses problems modeled using variables and dependencies, while their continuous-variable (CV) photonic quantum computer with 1000s of qubits is designed to tackle complex problems beyond classical computers. The company raised $2 million in seed funding led by Pi Ventures, with participation from Golden Sparrow and Reena Dayal of the Quantum Ecosystems and Technology Council of India (QETCI). Quanfluence's vision is to build a general-purpose, fault-tolerant quantum computer for solving real-world, meaningful problems.

Quantic

Paris, France Company

Quantic is a French quantum computing company developing quantum processors and quantum software solutions for European enterprises and research institutions. The company focuses on building quantum computing systems using advanced quantum technologies and provides quantum software development tools, quantum algorithms, and consulting services for organizations seeking to explore quantum computing applications. Quantic contributes to France's quantum technology ecosystem by advancing quantum hardware and software capabilities, collaborating with French research institutions and enterprises to develop practical quantum computing solutions for optimization, simulation, and computational challenges in various industrial sectors.

Quantinuum

⚡ Trapped Ion United Kingdom

Quantinuum (Honeywell Quantum Solutions + Cambridge Quantum merger) is pursuing the first universal fault-tolerant quantum computer. In September 2025, raised $600 million at $10 billion pre-money valuation led by Quanta Computer, NVentures (NVIDIA VC), and QED Investors. Also JPMorganChase, Mitsui, Amgen, Cambridge Quantum Holdings, Serendipity Capital, Honeywell. Previous round: $300 million at $5B valuation (January 2024). November 2025: Launched Quantinuum Helios with 98 barium ion qubits (upgraded from 56 ytterbium), achieving approximately 99.92% two-qubit gate fidelity. Helios supports up to 48 fully error-corrected logical qubits at 2:1 encoding rate. Switched from ytterbium to barium ions enabling visible-light laser manipulation (improved cost, component lifetime, scalability). Integrated NVIDIA GB200 for real-time error decoding with 'on the fly' error correction capability. Early adopters: SoftBank, JPMorgan Chase, Amgen (biologics research), BMW (fuel cell research). Selected for DARPA Stage B of Quantum Benchmarking Initiative (up to $15M funding). Strategic partnerships: NVIDIA (founding collaborator for Accelerated Quantum Research Center), Singapore National Quantum Office (Helios installation 2026), Qatar Invest Qatar (Middle East expansion May 2025), RIKEN, SoftBank, Infineon, STFC Hartree Center. Market positioning: most accurate commercial general-purpose quantum computer with industry-leading gate fidelities.

QuantLR

Tel Aviv, Israel Company

QuantLR is an Israeli quantum technology startup founded in 2018 developing quantum sensing and photonic technologies. The company focuses on quantum sensors for precision measurement, quantum imaging, and quantum-enhanced detection systems. QuantLR develops photonic quantum technologies including quantum light sources and quantum detectors for scientific and industrial applications. The company serves defense, aerospace, medical imaging, and scientific research sectors requiring quantum-enhanced sensing capabilities. QuantLR collaborates with research institutions and industry partners advancing quantum sensing technology commercialization. The company represents Israel quantum technology ecosystem contributing to quantum sensing and quantum photonics advancement for practical applications requiring ultra-precise measurements and quantum-enhanced detection capabilities.

Quantum Brilliance

💎 NV Center Australia

Quantum Brilliance develops revolutionary room-temperature quantum accelerators using synthetic diamond with nitrogen-vacancy centers as qubits, eliminating the need for cryogenic cooling systems while creating compact quantum computers suitable for edge computing, mobile platforms, and space applications. December 2025: Appointed Brian Wong as Board Chair (40+ years semiconductor leadership) to accelerate commercialization. November 2025: Opened world's first commercial Quantum Diamond Foundry in Melbourne with $18M from Breakthrough Victoria and National Reconstruction Fund support. October 2025: Quoll system at Oak Ridge National Lab named TIME Best Inventions 2025. January 2025: Raised $20M Series A from Main Sequence, In-Q-Tel, Intervalley Ventures. Fraunhofer Institute (Germany) purchased QB-QDK2.0 - first room-temperature quantum accelerator in Europe. Technology integrates with NVIDIA CUDA-Q platform. Partners: CyberSeQ, LuxProvide for quantum-secure encryption using PQC algorithms. Market positioning: leading room-temperature quantum approach with diamond foundry manufacturing capability, TIME recognition, and In-Q-Tel defense backing.

Quantum Circuits Inc

❄️ Superconducting United States

Quantum Circuits Inc (QCI) is a Yale University spinout founded in 2015 by Prof. Rob Schoelkopf, developing superconducting quantum computers with dual-rail cavity qubits (DRQs) requiring 10x fewer physical qubits per logical qubit. August 2024: Raised $60M Series B led by ARCH Venture Partners, F-Prime Capital, Sequoia Capital, Hither Creek Ventures (total funding: $125M). May 2024: Additional $26.5M from Sequoia. November 2024: Announced Aqumen Seeker QPU - industry's first 8-qubit processor with integrated hardware error detection on every qubit. 2025: Achieved ~0.1% error per CZ gate - among best in superconducting systems. Technology features built-in error detection without additional overhead. Roadmap targets fault-tolerant quantum computing through native error correction.

Quantum Diamonds

Munich, Germany Company

Quantum Diamonds is a Munich-based startup (founded by Kevin Berghoff, Kristina Liu, Fleming Bruckmaier) that raised €3 million seed from IQ Capital and Earlybird for diamond NV center sensors. The company develops commercial quantum sensors. Quantum Diamonds creates diamond-based quantum magnetometers and quantum sensing systems for industrial applications including semiconductor manufacturing, materials characterization, and medical diagnostics.

Quantum Fabrix

Oxford, United Kingdom Company

Quantum Fabrix (trading as QFX) is a University of Oxford spinout incorporated in 2024, founded by Dr Joe Goodwin (CTO), Dr Laurent Stephenson (CSO), and Dr Peter Drmota (CIO). The company is headquartered at Begbroke Science Park and builds on world-leading trapped ion quantum computing research from the University of Oxford. In October 2025, QFX raised £2 million (€2.2M) in seed funding led by renowned Silicon Valley investor and Y Combinator co-founder Paul Graham. The company already has a commercially available product: a compact, high-performance atomic source designed to support integration across quantum platforms. QFX provides modular quantum hardware for trapped ion systems, supplying precision modules to build and link devices for quantum computing, sensing, and secure communications. The company is developing the first scalable networked quantum computing architectures, combining individual trapped ions with optical microcavities. Associate Professor and ERC Laureate Dr Joe Goodwin leads the technical vision while his co-founders bring deep expertise from Oxford's quantum research programs.

Quantum Factory

Munich, Germany Company

Quantum Factory is a Munich-based company providing quantum computing education, training, and consulting services. The company develops educational programs, workshops, and hands-on training for businesses and researchers looking to adopt quantum technologies. Quantum Factory helps organizations prepare for the quantum computing era through skill development and strategic consulting.

Quantum Machines

תל־אביב–יפו, Israel Company

Quantum Machines is the leading quantum control systems provider, used by more than 50% of all quantum computing companies worldwide. February 2025: Raised $170M Series C led by PSG Equity with Intel Capital and Red Dot Capital. Total funding now $280M. ~200 employees across Israel, Denmark, Germany with further expansion planned. November 2025: Launched OPX1000 advanced control system. DARPA QBI selection. Hosted AQC25 conference in Boston with MIT, Yale, Google Quantum AI. May 2025: Partnered with Alice & Bob and Bluefors on $50M Paris quantum lab. Collaborates with NVIDIA on DGX Quantum for real-time quantum-classical integration. OPX1000 co-located at Israeli Quantum Computing Center with Rigetti Novera QPU and NVIDIA Grace-Hopper servers. Control systems scale to tens of thousands of qubits for error correction.

Quantum Microwave

Camarillo, United States Company

Quantum Microwave offers millimeter and microwave low noise amplifiers, attenuators, cryogenic products, mixers, multipliers, bias tees, filters, and more for quantum computing applications. The company provides cryogenic testing available at 4K and 10 mK temperatures. Quantum Microwave's cryogenic components are designed with OFHC Copper for optimal thermal conductivity in ultra-low temperature environments. The company's amplifiers and attenuators minimize noise at cryogenic temperatures, enabling accurate detection of quantum signals. On quantum computer control lines, attenuators reduce thermal radiation and signal power to levels suitable for qubit control, while amplifiers on readout lines make quantum signals detectable at room temperature. Quantum Microwave serves quantum computing manufacturers requiring high-performance RF and microwave components for superconducting quantum processors, trapped ion systems, and other quantum computing platforms requiring ultra-low noise cryogenic signal processing.

Quantum Motion

🔌 Spin Qubit United Kingdom

On September 15, 2025, Quantum Motion delivered the first full-stack silicon CMOS quantum computer at the UK National Quantum Computing Centre, built on a 300-mm wafer process that integrates a quantum processing unit, cryogenic control electronics and a dilution refrigerator into a footprint of just three 19-inch racks. November 2025: Selected for DARPA Stage B of Quantum Benchmarking Initiative (up to $15M funding) for MOS-based silicon spin qubit technology, advancing toward utility-scale quantum computing by 2033. The system combines Quantum Motion's Quantum Processing Unit with a user interface and control stack compatible with Qiskit and Cirq, offering a complete data-centre-friendly solution that can be upgraded to larger processors without altering its physical envelope. This milestone demonstrates that a robust, functional quantum computer can be mass-produced using the same transistor technology underpinning conventional silicon chips. In October 2025, researchers at Quantum Motion achieved single-shot spin readout directly within a standard 22 nanometer integrated circuit, converting spin information into a measurable electrical signal with exceptional visibility exceeding 90% and observing millisecond spin relaxation times.

Quantum Optics Jena GmbH

Jena, Germany Investor

Quantum Optics Jena is a Fraunhofer IOF spin-off specializing in entangled photon pair sources, polarization analyzers, and QKD systems for secure communications. The company completed a seven-figure euro seed funding round in 2021 to commercialize quantum photonic components. Quantum Optics Jena provides the Elvis QKD system for both fiber network and satellite quantum communication applications, offering complete solutions from photon sources to encryption systems for quantum-safe communications infrastructure.

Quantum Science Center (QSC)

Oak Ridge, United States research

The Quantum Science Center (QSC) is a U.S. Department of Energy National Quantum Information Science Research Center led by Oak Ridge National Laboratory. QSC focuses on developing quantum-accelerated high-performance computing capabilities. November 2025: DOE renewed QSC funding with $125 million over five years to develop open-source software for quantum-classical workflows and advance quantum materials and algorithms. QSC partners include multiple national laboratories, universities, and industry leaders working to integrate quantum computing with classical supercomputing for scientific discovery.

Quantum Source Labs

Tel Aviv, Israel research

Quantum Source Labs is an Israeli quantum computing company founded in 2021 developing scalable photonic quantum computers. The company focuses on deterministic single-photon sources addressing major bottleneck in photonic quantum computing enabling large-scale quantum processors. Quantum Source raised $50 million Series A funding in 2023 led by Eclipse Ventures with participation from Insight Partners and others. The company technology enables generation of on-demand indistinguishable single photons critical for photonic quantum computing scalability. Quantum Source serves quantum computing industry developing next-generation photonic quantum processors for computational applications requiring quantum advantage. The company collaborates with quantum research institutions and industry partners advancing photonic quantum computing technology and contributing to Israel quantum technology leadership.

Quantum Transistors

Tel Aviv, Israel Company

Quantum Transistors is an Israeli company developing novel quantum computing hardware based on semiconductor quantum devices. The company is among Israel's quantum computing startups working on advancing qubit technology. Quantum Transistors focuses on creating scalable quantum processors using innovative transistor-based architectures.

QuantWare

Amsterdam, Netherlands Company

QuantWare is a TU Delft/QuTech spinout founded in 2020 by Dr. Alessandro Bruno and MSc Matthijs Rijlaarsdam that became the world's first company to commercially manufacture superconducting quantum processors for third parties, offering off-the-shelf QPUs like the 5-qubit Soprano and 25-qubit Contralto. In March 2025, QuantWare raised €20 million in Series A funding co-led by Invest-NL Deep Tech Fund and Innovation Quarter to accelerate development of their revolutionary VIO technology, which solves scaling bottlenecks by routing connections vertically in 3D, enabling superconducting quantum processors to scale to thousands of qubits and potentially millions in a single processor. November 2025: QuantWare, Q-CTRL, and Qblox launched the Quantum Utility Block (QUB), a pre-integrated superconducting quantum computing system combining QuantWare's processors, Qblox's control electronics, and Q-CTRL's performance software for rapid deployment and operational excellence. 2025 Developments: In September 2025, QuantWare and C-DAC signed Letter of Intent to co-develop hybrid quantum computing technologies. The company's foundry services enable customers to build full-stack quantum computers at one-tenth the cost of competing solutions, with total funding now exceeding $32.9 million.

Qubitcore is a Yokohama-based quantum computing startup founded in July 2024 as a spinoff from OIST (Okinawa Institute of Science and Technology). The company develops distributed quantum computing systems using ion trap technology with photonic interconnects. Led by CEO Ryuta Watanuki and CSO Prof. Takahashi, Qubitcore raised pre-seed funding in January 2025 to advance Japan's first trapped ion quantum computer initiative. The company's roadmap includes a testbed system by 2028, 1,000-qubit prototype by 2029, and commercial deployment by 2030. Qubitcore's R&D center is located at OIST Okinawa, leveraging the institute's world-class research facilities. 2025 Developments: Qubitcore secured pre-seed funding and continues development of its distributed ion trap quantum computing architecture in 2025, representing Japan's entry into the trapped ion quantum computing sector.

QUDORA

Munich, Germany Company

QUDORA is a German quantum computing developer specializing in trapped-ion quantum computers using Near-Field Quantum Control (NFQC) technology. The company's flagship NFQC technology relies on ions confined in electromagnetic traps and manipulated with finely tuned laser pulses, enabling room-temperature operation that reduces infrastructure costs compared to superconducting circuits requiring millikelvin temperatures. QUDORA's compact, scalable architecture allows dozens of ions to be entangled in a single chip-scale module to create fault-tolerant quantum processors capable of running complex algorithms in minutes with cloud-based workflow compatibility. In September 2025, QUDORA announced a strategic collaboration with South Korean research institutions and technology partners to establish quantum computing research centers in Seoul and Daejeon, focusing on quantum applications for advanced materials, battery technology, and semiconductor manufacturing, positioning South Korea as a key market for QUDORA's Asia-Pacific expansion strategy. In October 2025, QUDORA closed a strategic partnership with Kensho, a Taiwanese distributor, to accelerate quantum computing commercialization in Taiwan, combining QUDORA's trapped-ion platform with Kensho's deep ties to Taiwan's precision-manufacturing sector to bring quantum-enhanced tools into laboratories, factories, and corporate data centers across Asia-Pacific. The alliance generated significant attention at SEMICON Taiwan 2025, targeting applications in semiconductor design, pharmaceutical research, and industrial optimization while expanding QUDORA's presence beyond Europe into the strategically important Asia-Pacific market.

Quemix

Tokyo, Japan Company

Quemix is a leading R&D venture focusing on quantum technology, covering quantum computing, communication, and sensors. The company is a specified subsidiary of TerraSky Co., Ltd. and has consistently dedicated itself to developing algorithms that excel on FTQC (fault-tolerant quantum computing). Quemix provides Quloud, a cloud-based materials computation platform offering access to leading materials computation software. The company collaborates with academia and industry on epoch-making achievements in material development, drug discovery, logistics, and entertainment. In a groundbreaking collaboration, Honda R&D and Quemix developed the world's first technology to read out quantum states and successfully performed practical calculation for materials development on a logical qubit using an actual quantum computer. JIC Venture Growth Investments acquired shares in Quemix through its JIC Venture Growth Fund 1.

QuEra Computing

⚛️ Neutral Atom United States

QuEra Computing develops neutral atom quantum computers based on research from Harvard (Mikhail Lukin), MIT (Vladan Vuletic, Markus Greiner). In February 2025, raised $230 million led by Google Quantum AI and SoftBank Vision Fund 2 (previous: $47M October 2024), bringing total funding to $277M+. November 2025: QuEra selected for DARPA Stage B of Quantum Benchmarking Initiative (up to $15M funding), advancing toward utility-scale quantum computing by 2033. The company expanded QuEra Quantum Alliance membership and demonstrated improved neutral atom qubit performance. 2025 Developments: Google Quantum AI's strategic investment validates neutral atom technology approach. Technology uses rubidium neutral atoms controlled by lasers with advancing quantum error correction capabilities. Partnership with Massachusetts Green High Performance Computing Center ($16 million expansion). Algorithmiq joined QuEra Quantum Alliance (December 2024). Focus on building fault-tolerant technology and expanding global partnerships.

Quinas Technology

Lancaster, United Kingdom Company

Quinas Technology is a Lancaster University spinout developing ULTRA RAM, a revolutionary quantum-enhanced computer memory technology for AI and secure computing applications. The company became the first UK company to win a 2025 World Intellectual Property Organisation (WIPO) Global Award. Quinas Technology showcased its breakthrough memory technology at the UK National Quantum Technologies Showcase in November 2025. ULTRA RAM combines the speed of traditional RAM with the non-volatility of flash memory, enabled by quantum mechanical effects in novel semiconductor structures. The technology has potential applications in AI accelerators, secure computing, and next-generation data centers where energy efficiency and data persistence are critical requirements.

QuiX Quantum

💡 Photonic Netherlands

QuiX Quantum develops integrated photonic quantum processors using silicon photonics technology to create scalable quantum computing systems that operate at room temperature, focusing on photonic quantum circuits and quantum interferometry for applications in quantum simulation, optimization, and quantum machine learning.

Qunnect

San Francisco, United States Company

Qunnect is a US quantum networking hardware company founded in 2017 that develops quantum network infrastructure components and systems for quantum internet applications. November 19, 2025: Launched ABQ-Net, New Mexico's first quantum network, in partnership with Roadrunner Venture Studios. Part of state's $300M commitment to building quantum economy. Deployed Carina turnkey quantum entanglement system. CEO Noel Goddard: 'ABQ-Net is the first open access user facility in the U.S. providing full-stack quantum networking infrastructure.' October 2025: Awarded 18-month U.S. Air Force contract to advance quantum networking for national defense applications. CEO noted their 'second-generation' approach 'overcomes many flaws which the NSA had found in generation-one tech.' Partnered with NYU to deploy entanglement-based quantum communication between Manhattan and Brooklyn (one of first metro-scale quantum links in US). Recent $10M funding from Cisco and Airbus Ventures. Market positioning: leading quantum networking infrastructure company with government contracts, operational networks in New York, Berlin, and Montana on commercial fiber.

QuNorth

Copenhagen, Denmark Company

QuNorth was established with €80 million investment from the Export and Investment Fund of Denmark and the Novo Nordisk Foundation to procure, build and operate a quantum computer named Magne. The company aims to provide Nordic researchers and businesses with access to state-of-the-art quantum computing infrastructure. QuNorth represents Denmark's national quantum computing initiative for advancing quantum technology research and commercialization.

Quobly

❄️ Superconducting France

Quobly (formerly Siquance) develops quantum hardware solutions with focus on superconducting quantum devices and quantum system integration, working to advance European quantum computing capabilities through innovative quantum technologies and collaborative research with academic and industrial partners.

Quoherent is a pioneering quantum computing startup developing room-temperature quantum qubits using topological materials. The company raised $4.7M in funding led by Morpheus Ventures with participation from Draper Associates, Khosla Ventures, and Alpha Edison. Quoherent's technology represents a 'third-wave' approach to quantum computing, departing from conventional cryogenic requirements to enable the realization of mobile quantum computing solutions. Founded by Roberto DiSalvo (CEO), Alton Reich (COO), and David Carroll (CTO), the company is the result of a decade-long research collaboration with the Wake Forest Center for Nanotechnology and Quantum Materials. Quoherent's mission is to deploy the world's first high-fidelity, scalable quantum processors on mobile platforms by harnessing unique properties of topological materials for stable and scalable qubits that operate at room temperature.

Quranium

Zurich, Switzerland Company

Quranium is the first L1 blockchain designed from ground up for quantum resistance, using SLH-DSA (NIST-approved post-quantum cryptography) transitioning from SPHINCS+. Headquarters in Switzerland with offices in DMCC UAE and Singapore. June 2025: Investment from Animoca Brands (global Web3 leader with 540+ portfolio companies). February 2025: Mainnet launch - first quantum-resistant blockchain mainnet. May 2025: Launched 'Convergence Layer' testnet for quantum security + AI + blockchain integration. November 2024: Core Layer (L1) Testnet with QSafe Wallet. Awards: DMCC Best Web3 Startup 2024, Cointelegraph Best Startup Pitch 2025. 50+ team members globally. Technology protects blockchain networks against future quantum computing threats using lattice-based and hash-based cryptographic schemes resistant to both classical and quantum attacks.