Abe Quantum Solutions

Abe Quantum Solutions is a Canadian quantum communication company developing quantum key distribution systems and quantum secure communication networks for enterprise and government applications. The company specializes in practical quantum cryptography implementations, quantum network infrastructure, and secure quantum communication protocols for protecting sensitive data transmission. Abe Quantum provides consulting services for quantum security implementations and develops custom quantum communication solutions for organizations requiring the highest levels of security for their data transmission and communication networks, contributing to Canada’s quantum technology ecosystem and advancing quantum cryptography applications for critical infrastructure protection.

Aegiq

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.

Amazon Braket

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.

Antaris

Antaris is a digital space platform company founded in 2021 and headquartered in Los Altos, California, simplifying the design, simulation, and operation of satellites. In March 2024, Antaris partnered with SpeQtral to jointly deploy quantum-safe key distribution satellites, integrating SpeQtral’s quantum payloads with Antaris SatOS space vehicle software and partner bus platforms. The partnership expects to deliver the first customer spacecraft to orbit from as early as 2026, enabling commercial quantum-secure satellite communications. Antaris brings expertise from Planet Labs, Microsoft, Diamanti, CoreOS, and AMD to quantum space communications. The company raised $14.16 million to develop its satellite operating system and quantum payload integration capabilities. Antaris serves government agencies, defense organizations, telecommunications operators, and commercial satellite operators requiring quantum-safe communications from space for critical infrastructure protection.

Argonne National Laboratory

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.

AT&T Quantum

AT&T is researching quantum technologies for telecommunications applications including quantum key distribution, quantum-safe cryptography, and quantum networking infrastructure for secure communications. The company explores quantum technologies for network optimization, quantum-enhanced security protocols, and quantum communication systems that could provide ultra-secure connectivity for government, enterprise, and consumer applications. AT&T collaborates with quantum technology companies and research institutions to develop quantum networking capabilities, investigate quantum advantages for telecommunications infrastructure, and prepare network systems for quantum-safe security implementations. The company’s quantum research focuses on practical quantum applications that could enhance network security, improve communication reliability, and enable new quantum-enhanced services for customers requiring the highest levels of security and performance.

BBN Technologies

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.

Brookhaven National Laboratory

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.

Caltech

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.

Cellnex Quantum Division

Cellnex Telecom is a Spanish telecommunications infrastructure and services company founded in 2015 and headquartered in Barcelona, Spain, with Quantum Division supporting quantum-safe satellite communications development and quantum networking infrastructure. Cellnex participates in Spain’s QKD-GEO quantum key distribution geostationary satellite mission led by Thales Alenia Space and Hispasat, analyzing real use cases with banking sector and terrestrial operators for quantum-secure communications. The company collaborates with Hispasat, Banco de Santander, BBVA, and Telefónica defining business plans for quantum-safe satellite and terrestrial network integration. Cellnex operates telecommunications tower infrastructure across Europe providing potential backbone for quantum-safe communications networks. The company invests in next-generation secure communications technologies including quantum key distribution and post-quantum cryptography preparing infrastructure for quantum computing threats. Cellnex serves telecommunications operators, mobile network operators, broadcasters, and infrastructure sectors requiring quantum-safe communications capabilities and tower infrastructure supporting quantum networking deployments across European markets.

Cisco Quantum Labs

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.

Deutsche Telekom Quantum Division

Deutsche Telekom is a German telecommunications company founded in 1995 and headquartered in Bonn, Germany, with Quantum Division developing quantum-safe telecommunications infrastructure and quantum networking capabilities. In 2024, Deutsche Telekom tested Qunnect’s quantum technologies on its fiber networks, advancing practical quantum communications deployments on operational telecommunications infrastructure. The company collaborates with quantum technology providers advancing quantum key distribution (QKD) networks, post-quantum cryptography implementations, and quantum-safe telecommunications systems across European networks. Deutsche Telekom invests in quantum networking research supporting quantum internet development and preparing telecommunications infrastructure for quantum computing threats to current encryption standards. The company demonstrated quantum-secured network connections and deploys quantum-safe communications infrastructure for enterprise customers, government agencies, and critical infrastructure sectors. Deutsche Telekom serves European telecommunications markets requiring quantum-safe communications, quantum networking infrastructure, and post-quantum cryptography implementations protecting network security and customer data against emerging quantum computing capabilities.

Ericsson Quantum

Ericsson is advancing quantum technologies through research in quantum communications, quantum key distribution, and quantum-safe security for telecommunications networks. The company investigates quantum networking solutions for 6G networks, quantum cryptography for secure communications infrastructure, and quantum-enhanced mobile network optimization. Ericsson collaborates with quantum technology companies and research institutions to develop quantum communication protocols, quantum network architectures, and post-quantum cryptographic solutions for telecommunications equipment and network infrastructure. The company’s quantum initiatives focus on preparing telecommunications networks for the quantum era, developing quantum-safe security measures, and exploring quantum technologies that could enhance network performance, security, and capabilities for next-generation wireless communications systems.

Eurofiber

Eurofiber is a European telecommunications and fiber optic network provider founded in 2000, headquartered in Amsterdam, Netherlands, deploying quantum key distribution technology across its extensive fiber network. In February 2025, Eurofiber and QBird were awarded 1 million euros at Mobile World Congress Barcelona for their Quantum Key Distribution project by Dutch government. In October 2024, Eurofiber collaborated with QBird to integrate QKD technology into Eurofiber’s extensive fiber optic network connecting quantum communication networks in Amsterdam and Rotterdam. In April 2024, QuTech and Eurofiber ran quantum cryptography on existing fiber in an open testbed, demonstrating practical QKD deployment on operational telecommunications infrastructure. The project strengthens collaboration between network provider Eurofiber and quantum security company Q*Bird advancing quantum-safe communications infrastructure in Netherlands. Eurofiber serves telecommunications operators, enterprises, data centers, government agencies, and financial institutions requiring quantum-safe network connectivity and secure communications infrastructure preparing for quantum computing threats to current encryption standards.

Fujikura Quantum Division

Fujikura Ltd. is a Japanese electrical equipment and cable manufacturing company founded in 1885 and headquartered in Tokyo, Japan, with Quantum Division developing optical components and fiber infrastructure for quantum communications networks. Fujikura manufactures specialized optical fibers, photonic components, and fiber optic cables supporting quantum key distribution (QKD) systems and quantum networking deployments. The company develops low-loss optical fibers optimized for quantum communications, single-photon compatible fiber components, and quantum networking hardware. Fujikura collaborates with Japanese telecommunications operators and quantum technology companies deploying quantum-safe communications infrastructure. The company participates in Japan’s national quantum secure networking initiatives providing essential optical infrastructure for quantum communications. Fujikura serves telecommunications operators, quantum technology companies, government agencies, and research institutions requiring specialized optical components and fiber infrastructure for quantum communications networks, QKD systems, and quantum internet development. The company brings over 135 years of optical fiber expertise to quantum communications infrastructure supporting Japan’s quantum technology leadership.

Harvard University

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.

HEQA Security

HEQA Security (formerly QuantLR) is an Israeli quantum security company founded in 2018, committed to safeguarding data communication against cyber threats posed by quantum computers. The company focuses on building carrier-grade quantum key distribution (QKD) offerings with products used by world-leading telecom operators, defense organizations, global cloud providers, and financial institutions. HEQA Security ensures protection of data communication against potential threats through groundbreaking security solutions rooted in principles of quantum physics. Leveraging a patented design, HEQA Security’s products stand out as the market’s most cost-effective and scalable enterprise-grade Quantum Key Distribution solution. The company brings quantum leap for secure communication to telecommunications and enterprise markets. HEQA Security serves telecommunications operators, government agencies, defense contractors, financial institutions, and cloud service providers requiring carrier-grade QKD infrastructure for ultra-secure communications protecting against both classical eavesdropping and quantum computing threats to encryption.

Hispasat

Hispasat is Redeia’s satellite services operator founded in 1989 and headquartered in Madrid, Spain, operating satellites providing telecommunications services across Europe, Americas, and North Africa. In January 2025, Hispasat partnered with Thales Alenia Space to start development, manufacturing, verification, and validation phase of the QKD-GEO prototype, Spain’s quantum key distribution system from geostationary orbit. The QKD-GEO mission has a budget of 103.5 million euros and 24-month timeline to develop components for quantum key distribution from geostationary orbit, including quantum payload for geostationary satellite and associated ground segment. Hispasat is responsible for designing the geostationary mission and defining the business plan, with support from Banco de Santander, BBVA, Telefónica, and Cellnex analyzing real use cases with banking sector and terrestrial operators. A field test campaign is planned between Spanish islands of La Palma and Tenerife covering 140-km atmospheric link. Hispasat serves telecommunications operators, government agencies, financial institutions, and critical infrastructure requiring quantum-secure satellite communications.

Honeywell Quantum Communications

Honeywell is a multinational technology and manufacturing company founded in 1906, headquartered in Charlotte, North Carolina, with Quantum Communications division developing quantum-secured satellite communications systems. Honeywell leads the QKDSat consortium, a public-private partnership announced in 2024 aiming to develop ultra-secure telecommunications satellites using quantum key distribution technology. In September 2025, Honeywell signed MOU with Redwire Corporation to combine Redwire’s quantum platform technology with Honeywell’s quantum optical payload, creating fully functional payload and platform by mid-2026. The consortium includes Redwire Space of Belgium; Craft Prospect and British Telecom of the United Kingdom; QTLabs of Austria; Honeywell in Canada; and key players in Germany, Czech Republic, and Switzerland. Honeywell partnered with European Space Agency for quantum data protection from space. The company serves government agencies, defense contractors, telecommunications operators, and critical infrastructure sectors requiring quantum-secured satellite communications protecting sensitive information transmission against cyber threats.

IBM Quantum

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.

InnovationQuarter

InnovationQuarter is the regional development agency for Zuid-Holland province in the Netherlands, founded in 2005 and based in The Hague, investing in innovative companies including quantum technology and quantum security startups. InnovationQuarter participated in Q*Bird’s 2.5 million euro funding round in May 2024, supporting Delft-based quantum key distribution company. The organization provides investment capital, business development support, and ecosystem connections to high-tech startups and scale-ups in Zuid-Holland region, home to quantum technology clusters in Delft, Leiden, and Rotterdam. InnovationQuarter focuses on deep tech including quantum technologies, photonics, life sciences, and cleantech. The organization serves Zuid-Holland quantum ecosystem connecting startups with QuTech research center, TNO, universities, and corporate partners. InnovationQuarter invests in quantum communications, quantum security, quantum sensing, and quantum computing companies commercializing research from Delft University of Technology and Leiden University. The organization contributes to Netherlands quantum technology leadership building innovation infrastructure and supporting growth of quantum startups in one of Europe’s leading quantum technology regions.

Institute of Astrophysics of the Canary Islands Quantum Division

Institute of Astrophysics of the Canary Islands (IAC) is a Spanish astrophysics research center founded in 1982 and headquartered in La Laguna, Tenerife, Spain, with Quantum Division participating in Spain’s QKD-GEO quantum key distribution geostationary satellite mission. IAC participates in the large industrial consortium led by Thales Alenia Space developing quantum communications technology for space-based quantum key distribution. The institute brings astrophysics expertise and Canary Islands astronomical facilities to quantum communications research and testing. A field test campaign is planned between Spanish islands of La Palma and Tenerife covering 140-km atmospheric link, validating ground segment and quantum payload functionality under representative conditions before implementing operational mission in orbit. IAC collaborates with Polytechnic University of Madrid, University of Vigo, Thales Alenia Space, and Hispasat advancing quantum communications from space. The institute serves European Space Agency, quantum technology companies, and research institutions requiring space-based quantum communications research, atmospheric quantum transmission testing, and ground station development for satellite QKD systems.

Lawrence Berkeley National Laboratory

Lawrence Berkeley National Laboratory (Berkeley Lab) is a USA national laboratory founded August 26, 1931, located in Berkeley, California, operated by University of California for United States Department of Energy. Berkeley Lab leads Quantum Systems Accelerator (QSA), one of five DOE National Quantum Information Science Research Centers bringing together 80 world-class researchers from 15 partner institutions. QSA catalyzes national leadership in quantum information science to co-design algorithms, quantum devices, and engineering solutions delivering certified quantum advantage in scientific applications. The laboratory conducts quantum computing research spanning quantum processors, quantum algorithms, quantum networking, quantum sensors, and quantum materials. Berkeley Lab operates quantum computing testbeds and advanced characterization facilities for quantum hardware development. The laboratory serves quantum research community collaborating with universities, industry, and government agencies advancing quantum computing for energy, chemistry, materials science, and national security applications requiring quantum computational advantage.

Lawrence Livermore National Laboratory

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.

Los Alamos National Laboratory

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.

Lumenisity

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.

Mitsubishi Electric Quantum Division

Mitsubishi Electric Corporation is a Japanese multinational electronics and electrical equipment manufacturing company founded in 1921 and headquartered in Tokyo, Japan, with Quantum Division developing quantum communications and post-quantum cryptography solutions. Mitsubishi Electric joined forces with six partners including Toshiba and NTT to build a national quantum secure networking testbed in Japan. The company has been preparing for post-quantum cryptography, ensuring its information security products use quantum-resistant algorithms. Mitsubishi Electric develops quantum key distribution systems, quantum-safe networking equipment, and post-quantum cryptography implementations for telecommunications and critical infrastructure protection. The company invests in quantum technology research supporting Japan’s quantum communications infrastructure development. Mitsubishi Electric serves Japanese government agencies, telecommunications operators, financial institutions, defense contractors, and critical infrastructure sectors requiring quantum-safe communications equipment, QKD systems, and post-quantum cryptography implementations. The company contributes to Japan’s quantum technology ecosystem advancing practical quantum security solutions for telecommunications and enterprise markets.

NIST

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.

NTT Quantum Technology Division

Nippon Telegraph and Telephone Corporation (NTT) is a Japanese telecommunications company founded in 1952 and headquartered in Tokyo, Japan, with Quantum Technology Division developing quantum communications, quantum key distribution, and quantum networking systems. NTT conducts pioneering quantum networking research deploying QKD networks and quantum-safe telecommunications infrastructure in Japan. The company researches quantum network technologies and quantum security, having demonstrated quantum tokens for secure transactions in 2021. NTT collaborates with Japanese quantum technology companies and government initiatives advancing practical quantum communications deployments. In early 2024, NTT joined forces with Fujitsu, Hitachi, NEC, and Mitsubishi Electric on quantum technology initiatives building national quantum secure networking testbed. NTT invests in quantum cryptography, quantum random number generation, and post-quantum cryptography preparing telecommunications infrastructure for quantum computing threats. The company serves Japanese telecommunications markets, government agencies, financial institutions, and critical infrastructure sectors requiring quantum-safe communications and quantum networking infrastructure supporting Japan’s quantum technology leadership.

Oak Ridge National Laboratory

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.

Orange Quantum Division

Orange S.A. is a French multinational telecommunications corporation founded in 1990 (originally France Télécom from 1988) and headquartered in Paris, France, with Quantum Division developing quantum-safe telecommunications infrastructure and quantum networking capabilities. Orange conducts quantum networking research deploying quantum key distribution (QKD) networks and quantum-safe communications systems across French and European telecommunications infrastructure. The company collaborates with French quantum technology companies and research institutions including CryptoNext Security, Alice & Bob, and Pasqal advancing practical quantum communications deployments. Orange invests in post-quantum cryptography preparing telecommunications infrastructure for quantum computing threats. The company demonstrated quantum-secured fiber optic network connections for enterprise and government customers requiring ultra-secure communications. Orange serves European telecommunications markets, government agencies, financial institutions, and critical infrastructure sectors requiring quantum-safe communications and quantum network infrastructure. The company contributes to European Quantum Communication Infrastructure (EuroQCI) initiative and French National Quantum Strategy advancing quantum-safe telecommunications at scale.

Photon Spot

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.

Polytechnic University of Madrid Quantum Division

Polytechnic University of Madrid (Universidad Politécnica de Madrid - UPM) is a Spanish public research university founded in 1971 and headquartered in Madrid, Spain, with Quantum Division participating in Spain’s QKD-GEO quantum key distribution geostationary satellite mission. UPM is part of the large industrial consortium led by Thales Alenia Space developing quantum communications technology for space-based quantum key distribution systems. The university brings telecommunications engineering and quantum communications research expertise to satellite QKD development. UPM collaborates with Institute of Astrophysics of the Canary Islands, University of Vigo, Thales Alenia Space, and Hispasat advancing quantum-safe satellite communications. The university conducts research in quantum cryptography, quantum optics, and quantum communications protocols for satellite applications. UPM serves European quantum communications research community, quantum technology companies, and government agencies requiring quantum communications research, quantum networking protocols development, and satellite QKD systems engineering. The university contributes to Spanish national quantum strategy and European Quantum Communication Infrastructure (EuroQCI) initiative.

Princeton University

Princeton University is a private Ivy League research university founded 1746 in Princeton New Jersey. Princeton Center for Complex Materials and Princeton Quantum Initiative provide top training in quantum information science. Princeton conducts quantum research spanning quantum processors quantum algorithms quantum materials quantum networks and quantum simulation. The university quantum programs advance fundamental quantum science and quantum technology development. Princeton maintains research partnerships with government laboratories and quantum computing companies. Princeton serves quantum research community through quantum physics research quantum engineering programs and quantum education advancing quantum information science and quantum technology development supporting USA quantum competitiveness and scientific leadership in quantum computing.

Q*bird

Qbird is a spin-off from Delft University of Technology that develops quantum-based hardware and software solutions providing ultra-secure data communications and protection for critical infrastructures. The company has successfully deployed multi-user, multipoint-to-multipoint Quantum Key Distribution (QKD) networks including operational installations in Utrecht connecting data centers, university buildings, and research facilities, and the world’s first quantum-safe industrial internet at the Port of Rotterdam. Qbird won the Dutch IT Channel Award 2025 in the Networking & Edge Innovator category and received €1 million in subsidies to advance QKD technology, with partnerships including Eurofiber to integrate quantum security into commercial networks and ambitious goals to operate 60 quantum networks across Europe, Asia, and North America by targeting 2030.

Qasky Quantum Technology

Qasky Quantum Technology is a Chinese quantum communication company specializing in quantum key distribution systems, quantum secure communication networks, and quantum cryptography solutions for enterprise and government applications. The company develops quantum communication infrastructure including quantum key distribution hardware, quantum network management software, and secure quantum communication protocols for building quantum-safe communication networks across China. Qasky collaborates with Chinese telecommunications companies and government agencies to deploy quantum communication networks for national security applications, contributing to China’s national quantum communication infrastructure development and advancing practical quantum cryptography implementations for securing sensitive data transmission across various sectors including finance, healthcare, and government communications.

Qoro Quantum

Qoro Quantum is building the missing link in quantum computing: a scalable network stack for distributed quantum computing. The company emerged from Munich Quantum Valley and develops software and protocols that enable multiple quantum computers to work together as a distributed system. Qoro Quantum’s technology is crucial for creating quantum networks and enabling quantum internet applications.

Company Information

• Founded: 2024
• Country: Germany
• Website: https://qoroquantum.com
• Categories: quantum software, quantum communications

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QphoX

QphoX develops quantum modems that enable quantum internet connectivity by converting quantum information between different physical platforms, creating the essential infrastructure components for quantum networks that connect quantum computers, quantum sensors, and quantum communication systems to build a global quantum internet for secure communications and distributed quantum computing.

Company Information

• Founded: 2020
• Country: Netherlands
• Website: https://qphox.eu
• Categories: quantum communications

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QTI

QTI (Quantum Telecommunications Italy) develops, engineers and produces Quantum Key Distribution systems for ultra-secure communications. The company specializes in quantum cryptography hardware and secure quantum communication networks for government, defense, and critical infrastructure applications. QTI provides end-to-end quantum secure communication solutions leveraging Italian expertise in photonics and telecommunications.

Company Information

• Founded: 2020
• Country: Italy
• Website: https://www.qticompany.com
• Categories: quantum communications, quantum security

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Quantum Bridge Technologies

Quantum Bridge Technologies is a Canadian quantum networking company founded in 2019 as a University of Toronto spinout by Mattia Montagna (CEO) and Hoi-Kwong Lo (CTO), pioneering quantum-safe communications and quantum networking infrastructure. The company develops quantum key distribution systems, quantum repeaters, and quantum-safe cybersecurity solutions, partnering with Juniper Networks to advance industry-first quantum-safe networking solutions for enterprise and government applications. Professor Hoi-Kwong Lo, co-inventor of the all-photonic quantum repeater and ranking among the world’s top quantum cryptography researchers, brings decades of experience from Hewlett-Packard and MagiQ Technologies. Quantum Bridge focuses on building quantum networking infrastructure that enables secure quantum communications and distributed quantum computing applications, developing quantum-safe protocols and hardware for protecting critical infrastructure against both classical and quantum computing threats.

Quantum Fabrix

Quantum Fabrix is the newest quantum spinout from Oxford University, founded in 2025, focusing on trapped ion technology to deliver scalable products for quantum computing, communication, and sensing. The company originated from research on ion trap quantum computing and is backed by Oxford Science Enterprises. Quantum Fabrix develops modular trapped-ion systems that can be networked together for distributed quantum computing and secure quantum communications.

Company Information

• Founded: 2025
• Country: United Kingdom
• Website: https://quantumfabrix.com
• Categories: quantum processors, quantum communications

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Quantum Machines Quantum Networking Division

Quantum Machines is an Israeli quantum technology company founded in 2018 and headquartered in Tel Aviv, specializing in advanced control systems for quantum computing and quantum networking. In 2024, Quantum Machines secured $170 million in funding from backers including Intel’s investment arm. The company offers hardware and software solutions enabling precise execution of complex quantum algorithms and quantum network operations. Quantum Machines develops quantum control and orchestration platforms supporting quantum computing, quantum communications, and quantum networking applications. The Quantum Orchestration Platform provides real-time control, feedback, and optimization for quantum systems including networked quantum processors and quantum communication systems. The company serves quantum computing providers, quantum networking developers, research institutions, telecommunications operators, and government agencies requiring advanced quantum control systems for distributed quantum computing, quantum communications, and quantum internet infrastructure. Quantum Machines brings Israeli quantum innovation to global markets advancing practical quantum networking and communications systems.

Qubitrium

Qubitrium is a Turkish quantum technology company founded in 2020, developing solutions in quantum cryptography, quantum communications, and quantum sensing with a focus on satellite-based quantum key distribution systems. The company is working on a satellite-based quantum key distribution payload and develops quantum communication technologies for secure data transmission and quantum networking applications. Qubitrium provides quantum security solutions, quantum communication protocols, and quantum sensing systems for government, defense, and commercial applications, contributing to Turkey’s quantum technology capabilities and advancing quantum technologies in the Middle East and European markets. The company focuses on practical quantum applications for national security, secure communications, and quantum sensing for various industrial and scientific applications.

Redwire Corporation

Redwire Corporation is a space infrastructure company headquartered in Jacksonville, Florida, founded in 2020, specializing in space systems and components. In September 2025, Redwire signed a Memorandum of Understanding with Honeywell to advance the QKDSat project, combining Redwire’s quantum platform technology with Honeywell’s quantum optical payload to create fully functional quantum-secured satellite communications systems by mid-2026. The QKDSat consortium, led by Honeywell and including Redwire, aims to develop ultra-secure telecommunications satellites using quantum key distribution for government, defense, and commercial applications. The project is backed by the European Space Agency and aims to protect critical infrastructure from cyber threats using quantum encryption. Redwire brings deep space hardware expertise and satellite bus platform development to enable quantum-safe communications from orbit for government agencies, defense contractors, telecommunications operators, and critical infrastructure sectors.

Rigetti Computing

In 2024-2025, Rigetti Computing completed a $350 million at-the-market equity offering during Q2 2025, bolstering the company’s cash position to approximately $575 million with no debt. In December 2024, Rigetti launched its 84-qubit Ankaa-3 quantum processor, achieving record-high fidelity with a 99.0% median iSWAP gate fidelity and 99.5% median fSim gate fidelity. In 2025, Rigetti unveiled Cepheus-1-36Q, a 36-qubit multi-chip quantum computer now generally available, demonstrating a two-fold reduction in two-qubit gate error rate compared to the preceding Ankaa-3 system, achieving a median two-qubit gate fidelity of 99%. The company anticipates releasing a 100+ qubit system, also chiplet-based, with a target median two-qubit gate fidelity of 99.5% before the end of 2025. In collaboration with Riverlane and the National Quantum Computing Centre (NQCC), Rigetti won £3.5 million from Innovate UK to enhance quantum error correction capabilities on superconducting quantum computers.

Sandia National Laboratories

In August 2024, scientists at Sandia National Laboratories, collaborating with Arizona State University, received $17 million in funding from Sandia’s Laboratory Directed Research program to develop compact integrated microsystems that carry quantum information using light, scaling down large-scale optical systems to chip size for applications in advanced computing and secure communications. Researchers are fabricating small photonic integrated circuits (PICs) at Sandia’s MESA complex to achieve the same capabilities as large optical tables. Sandia is participating in the Quantum Collaborative and serves as a core partner of the Southwest Advanced Prototyping Hub (SWAP Hub), led by Arizona State University, aiming to jumpstart American competitiveness in the semiconductor industry. In January 2024, the University of New Mexico and Sandia National Laboratories partnered to establish the Quantum New Mexico Institute (QNM-I), aiming to make New Mexico a national hub for quantum science and attract global talent and quantum companies.

SDT

SDT Inc. (Quantum Standard Technology) is a South Korean quantum technology company founded in 2017 with headquarters in Seoul, pioneering quantum computing, quantum cloud, quantum communication, and quantum sensing commercialization. Founded by CEO Jiwon Yune, who studied physics and electronic engineering at MIT and worked as a researcher at MIT-Harvard University Research Center and KIST Quantum Information Research Center, SDT is leading development of South Korea’s first full-stack quantum computer. In August 2024, SDT secured 10 billion KRW (approximately $7.5 million USD) in Pre-IPO investment from Shinhan Venture Investment to commercialize quantum computers, with milestones to develop a 64-qubit superconducting quantum computer by 2026 and photonic integrated circuit quantum computers by 2027. SDT is jointly developing quantum processing units based on silicon spin and diamond nitrogen-vacancy quantum technologies with Seoul National University and the Korea Institute of Science and Technology. The company is advancing South Korea’s National Strategy for Quantum Technology and building the domestic quantum ecosystem.

SilQ Connect

SilQ Connect is a Quebec-based quantum technology startup that secured pre-seed funding to develop microwave-optical quantum interconnects, addressing key infrastructure challenges in quantum computing networks. The company specializes in developing quantum interconnect technologies that enable communication between quantum processors and quantum computing systems, focusing on microwave-optical conversion technologies essential for scaling quantum computing architectures. SilQ Connect works on quantum networking infrastructure, quantum communication protocols, and quantum system integration technologies that enable distributed quantum computing and quantum networking applications. The company contributes to Canada’s quantum technology ecosystem by advancing quantum interconnect technologies and quantum networking capabilities for next-generation quantum computing systems.

Sparring Capital Partners

Sparring Capital Partners is a European venture capital firm founded in 2019, focusing on deep tech and enterprise software investments including quantum security companies. In March 2025, Sparring Capital Partners led Quantum Industries’ 9.5 million euro seed financing round alongside Findus Venture and KGAL, supporting Vienna-based quantum secure communications company. The firm invests in early-stage and growth-stage technology companies developing quantum cryptography, cybersecurity, enterprise software, and deep tech solutions. Sparring Capital Partners brings capital, strategic expertise, and industry connections to quantum security startups commercializing quantum communications technologies. The firm serves European quantum technology ecosystem connecting startups with corporate partners, research institutions, and follow-on investors. Sparring Capital invests in quantum key distribution companies, post-quantum cryptography developers, quantum networking startups, and quantum-safe communications providers building practical commercial quantum security solutions. The firm contributes to European quantum technology growth supporting companies developing quantum-safe infrastructure for critical communications, government agencies, financial institutions, and telecommunications operators.

SPTel

SPTel is a joint venture company of ST Engineering and SP Group, serving as a leading provider of next-generation telecommunications and digital solutions in Singapore with strong focus on innovation and reliability. SPTel uses unique fiber pathways combining leased SP Group infrastructure and owned fiber pipes laid alongside power network cables, having connected 90% of Singapore’s commercial data centers. In November 2022, SPTel and SpeQtral announced success on initial trials toward setting up Quantum-Secure Networks on SPTel’s diverse fiber network, the first such trials in Singapore. In November 2023, SPTel and SpeQtral were jointly appointed by the Infocomm Media Development Authority of Singapore (IMDA) to build the National Quantum-Safe Network Plus (NQSN+), Singapore’s first nationwide quantum-safe network. The combination of SPTel’s capabilities in building diverse networks with SpeQtral’s deep expertise in Quantum Key Distribution (QKD) technology advances development of robust and resilient NQSN+. SPTel serves enterprises, government agencies, data centers, and telecommunications operators requiring quantum-safe network infrastructure.

Technical University of Denmark

Technical University of Denmark (DTU) is a public technical university founded in 1829, located in Kongens Lyngby, Denmark. DTU conducts quantum research advancing quantum photonics quantum communications and quantum technologies. The university Center for Silicon Photonics advances integrated quantum photonics development. DTU researchers contribute to quantum hardware quantum networks and quantum applications. The university collaborates with Danish and European quantum companies advancing quantum technology commercialization. DTU serves quantum research community through quantum research quantum education and technology transfer supporting Danish quantum technology ecosystem and Nordic quantum innovation.

Thales Alenia Space Quantum Division

Thales Alenia Space is a joint venture between Thales (67%) and Leonardo (33%), founded in 2007 and headquartered in Cannes, France, with quantum technology division developing space-based quantum communications systems. In January 2025, Thales Alenia Space partnered with Hispasat to develop the QKD-GEO prototype, Spain’s quantum key distribution system from geostationary orbit, with 103.5 million euro budget. Thales Alenia Space leads a large industrial consortium including Spanish and European companies, with participation from entities specialized in quantum communications: Institute of Astrophysics of the Canary Islands (IAC), Polytechnic University of Madrid, and University of Vigo. The company develops quantum payloads for geostationary satellites and associated ground segments for quantum-secure communications from space. Field test campaigns are planned between La Palma and Tenerife covering 140-km atmospheric links. Thales Alenia Space serves government agencies, defense organizations, telecommunications operators, and critical infrastructure sectors requiring satellite-based quantum key distribution for ultra-secure space-to-ground communications.

ThinkQuantum

ThinkQuantum offers complete solutions for cybersecurity and communication systems based on quantum technologies, covering quantum random number generators, quantum key distribution, and satellite quantum communications. The Italian company develops both terrestrial and space-based quantum communication systems for secure data transmission. ThinkQuantum works on advancing European quantum communication infrastructure.

Company Information

• Founded: 2019
• Country: Italy
• Website: https://thinkquantum.com
• Categories: quantum communications, quantum security

Related Companies

Explore other quantum computing companies in similar categories or regions.

Toshiba Quantum Technology Division

Toshiba Quantum Technology Division is based in Cambridge, United Kingdom, headed by Andrew Shields, operating as part of Toshiba Europe Limited’s Cambridge Research Laboratory. Toshiba started quantum cryptography research in 1999 and manufactures the Multiplexed QKD System at their Cambridge UK base. In March 2025, Toshiba Europe Limited launched a commercial QKD system integrating post-quantum cryptography (PQC) using NIST’s ML-KEM standard, offering enhanced quantum-safe security. In May 2024, Toshiba developed a QRNG fully integrated into semiconductor chips ready for mass manufacture. The division demonstrated record-breaking QKD transmission distances and pioneered quantum-secured network deployments across Europe and Asia. Toshiba collaborates with telecommunications operators including BT Group and global financial institutions to deploy quantum-safe communications infrastructure. The company serves telecommunications operators, government agencies, financial institutions, and critical infrastructure sectors requiring commercial-grade quantum key distribution systems and quantum-safe networking equipment.

TU Delft

Delft University of Technology (TU Delft) is a public technical university founded in 1842, located in Delft, Netherlands. TU Delft hosts QuTech, world-leading quantum research institute collaboration between TU Delft and TNO advancing quantum computing and quantum internet. QuTech develops quantum processors including spin qubits in silicon and superconducting qubits advancing scalable quantum computing. TU Delft researchers contribute to quantum algorithms quantum error correction quantum networks and quantum hardware. The university has produced quantum technology spinouts and maintains strong European quantum partnerships. TU Delft serves quantum research community through fundamental quantum research quantum education and technology transfer advancing quantum computing and quantum internet development supporting Netherlands and European quantum technology leadership.

University of Maryland

University of Maryland is a public research university founded in 1856, located in College Park, Maryland. UMD hosts Joint Quantum Institute (JQI) and Joint Center for Quantum Information and Computer Science (QuICS) conducting world-class quantum research. The university advances ion trap quantum computing quantum algorithms quantum networks and quantum technologies. UMD has produced quantum technology spinouts including IonQ. The university serves quantum research community through fundamental quantum research quantum education and technology transfer. UMD contributes to USA quantum technology leadership through breakthrough quantum research and quantum technology commercialization positioning Maryland as quantum technology hub.

University of Oxford

University of Oxford is a collegiate research university founded circa 1096, located in Oxford, England, oldest university in English-speaking world. Oxford conducts world-leading quantum research through Oxford Quantum Information Science group, Department of Physics, and Oxford Quantum Circuits spinout. The university advances quantum computing quantum cryptography quantum communications and quantum technologies. Oxford researchers contribute to ion trap quantum computing quantum algorithms quantum error correction and quantum hardware development. The university has produced numerous quantum technology spinouts including Oxford Quantum Circuits and maintains partnerships with quantum companies. Oxford serves quantum research community through fundamental quantum research quantum education and technology transfer advancing quantum information science and supporting UK quantum technology leadership positioning Oxford as global quantum research leader.

University of Vigo Quantum Division

University of Vigo (Universidade de Vigo) is a Spanish public research university founded in 1989 and headquartered in Vigo, Galicia, Spain, with Quantum Division participating in Spain’s QKD-GEO quantum key distribution geostationary satellite mission. The university is part of the large industrial consortium led by Thales Alenia Space developing quantum communications technology for space-based quantum key distribution. University of Vigo brings expertise in telecommunications, photonics, and quantum optics to satellite QKD research and development. The university collaborates with Institute of Astrophysics of the Canary Islands, Polytechnic University of Madrid, Thales Alenia Space, and Hispasat advancing quantum-safe satellite communications infrastructure. University of Vigo conducts research in quantum communications, quantum cryptography protocols, and photonic quantum technologies for space applications. The university serves European quantum research community, quantum technology companies, and government agencies requiring quantum communications research, quantum optics expertise, and satellite QKD technology development. The university contributes to Spanish quantum technology ecosystem and European quantum communications infrastructure initiatives.

Xairos Systems

Xairos Systems Inc. is a Lone Tree, Colorado-based space telecommunications company founded in 2019 by David Mitlyng and Dr. James Troupe, disrupting Position, Navigation, and Timing (PNT) through patented Quantum Clock Synchronization (QCS) technology. The company leverages quantum communications and atomic clock technology to provide high-precision, high-security time distribution on a global scale for space applications. Xairos’ QCS protocol enables satellite accuracy and reliability improvements critical for defense and commercial space operations. The company was selected into the Techstars Space Accelerator in 2021 and has secured contracts with the US Department of Defense to advance quantum timing technology for military applications. Xairos addresses the critical need for GPS-independent timing and synchronization systems resilient to jamming and spoofing, serving aerospace, defense, and telecommunications sectors requiring ultra-precise time distribution across satellite constellations and ground infrastructure.

Yale University

Yale University is a private Ivy League research university founded 1701 in New Haven Connecticut. Yale University has established itself as leader in quantum research fostering collaboration across physics engineering and computer science with Yale Quantum Institute serving as central hub bringing together researchers to explore quantum information processing quantum materials and quantum sensing. Yale conducts quantum research spanning superconducting qubits quantum processors quantum algorithms quantum error correction and quantum networks. Yale quantum programs have produced significant breakthroughs in superconducting quantum computing and quantum information processing. Yale serves quantum research community through fundamental quantum research quantum education programs and industry partnerships advancing quantum computing and quantum technologies.