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01 Communique Laboratory Inc. is a publicly traded Canadian cybersecurity company (TSX-V: ONE) founded in 1992, headquartered in Mississauga, Ontario....

1QBit develops quantum software and applications for complex computational problems in finance, healthcare, and logistics, focusing on quantum-enhance...

4colors Research is an algorithmic R&D consultancy based in Cambridge, UK, founded in 2016 by CEO Marcin Kaminski (M.Sc. in quantum computing, Ph.D. i...

In October 2024, 55 North announced the first close of its €300 million inaugural fund, having raised €134 million with backing from anchor investors ...

AbaQus is a Vancouver-based startup founded in 2021 by David Isaac and Chris Coleman building a research platform enabling financial organizations to ...

Abe Quantum Solutions is a Canadian quantum communication company developing quantum key distribution systems and quantum secure communication network...

Academia Sinica Quantum Computing Division, Taiwan's premier research institution, is developing superconducting quantum computers and introduced Taiw...

Accenture PLC is an Irish-American professional services company founded in 1989, forming quantum research group in 2017 and partnering with startups ...

Active Technologies is an Italian company manufacturing high-performance arbitrary waveform generators for quantum computing applications, including p...

Adaptive Finance Technologies is a Canadian fintech company founded in 2020, developing quantum-enabled, AI-driven investment management solutions for...

AdTech Optics is a California-based company founded in 2001, specializing in the design, engineering, and manufacturing of mid-infrared semiconductor ...

ADVA Optical Networking (now Adtran Networks following 2022 merger) is a German telecommunications equipment company founded in 1994, headquartered in...

Advanced Diamond Technologies (ADT) is a US materials company founded in 2003 that develops advanced diamond thin film materials and quantum-grade dia...

Advanced Research Systems designs and manufactures helium-free cryostats, flow cryostats, and cryogenic probe stations with temperature ranges from 1....

Aegiq is a UK-based full-stack photonic quantum computing company spun out from the University of Sheffield in 2019, developing secure quantum communi...

Aeluma is a Goleta, California-based semiconductor company founded in 2019, developing quantum dot laser technology for silicon photonics applications...

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...

Aerodyne Research is a Massachusetts-based company founded in 1970, providing advanced research and development services and sensor products for envir...

The African Quantum Consortium (AQC) is the first pan-African platform for quantum science, education, innovation, and policy across the continent, of...

Agnostiq is a Toronto-based quantum computing SaaS company founded in 2018 that has developed Covalent, an open-source workflow orchestration platform...

Airbus is pioneering quantum computing applications in aerospace through strategic partnerships with Quantinuum, IonQ, and BMW Group to accelerate sus...

Aires Applied Technology is a deep tech startup specializing in decentralized quantum security with customized encryption solutions including post-qua...

AKELA Laser Corporation is a New Jersey-based manufacturer of high-power laser diodes and custom photonic solutions serving medical, industrial, laser...

Akhetonics develops all-optical, reconfigurable processing units that function as quantum computers, analog processors, and digital processors. The te...

Alea Quantum is a Danish startup founded in March 2022, developing optical quantum random number generators (QRNG) based on over 20 years of research ...

Algorithmiq develops quantum algorithms and software for drug discovery and pharmaceutical research, focusing on quantum-enhanced molecular simulation...

Alianza Team is a B2B company specializing in fats and oils with over 75 years in industry and presence in USA Colombia Mexico and Chile focusing on d...

Alibaba Quantum is the quantum computing research division of Alibaba Group established in 2015 that develops quantum computing technologies, quantum ...

Alice & Bob is a Paris-based quantum computing startup pioneering cat qubit technology for fault-tolerant quantum computers. In January 2025, raised €...

Aliro Quantum is a US quantum networking software company founded in 2019 that develops quantum network orchestration and management software platform...

Alpes Lasers S.A. is a Swiss engineering company and manufacturer specializing in quantum cascade lasers (QCLs) and infrared lasers for scientific, in...

Alpine Quantum Technologies develops trapped ion quantum computers and quantum simulators based on research from the University of Innsbruck, offering...

Aluvia Photonics is a pioneering provider of photonic integrated circuits based on proprietary aluminium oxide (AlOx/Al2O3) material platform, founded...

In 2024-2025, Amazon Braket expanded significantly through partnerships and hardware additions. NVIDIA and AWS announced a collaboration to advance q...

AMCG develops MCG Scan, a medical system that measures bio-magnetic signals generated by the heart using superconducting quantum interference devices ...

Advanced Micro Devices Inc. (AMD) is an American semiconductor company founded in 1969, headquartered in Santa Clara, California, developing computer ...

American Binary is a Washington-based cybersecurity company specializing in quantum-resistant cloud infrastructure solutions, founded in 2019. The com...

American Magnetics Inc. (AMI) is an American manufacturer of superconducting magnet systems founded in 1968, headquartered in Oak Ridge, Tennessee. AM...

Amplify platform (not to be confused with Fixstars Amplify) integrates an array of advanced backend technologies including quantum annealing, Ising ma...

AmpliTech Group, Inc. (Nasdaq: AMPG) is a designer, developer, and manufacturer of state-of-the-art signal processing components for satellite, Public...

Analog Devices develops quantum control electronics and precision analog components for quantum computing applications, leveraging their expertise in ...

Analog Physics develops QAI (Quantum AI), a reflexive symbolic AI platform powered by quantum-inspired processors for autonomous decision-making in mi...

Anametric is building quantum photonic chips for cybersecurity, serving as a key part of Leidos' DARPA QuANET program after six years of development. ...

Anaqor AG is a Berlin and Stuttgart-based quantum software company founded by Andreas Liebing, Mathias Petri, David Niehaus, and Michael Falkenthal, o...

Andreessen Horowitz is an American private venture capital firm founded 2009 in Menlo Park California. Andreessen Horowitz participated in Rigetti Com...

Ångström AI is a Cambridge University spinout founded in 2024 by Javier Antoran, José Miguel Hernández-Lobato, and Laurence Midgley that develops GenA...

AnharmoniQ is a Chicago-based quantum hardware startup building critical hardware infrastructure for large-scale quantum computing. Selected for the i...

Anritsu Corporation is a Japanese telecommunications test and measurement equipment manufacturer founded in 1895, headquartered in Atsugi, Kanagawa. A...