List of companies involved in quantum computing or communication

This article lists the companies worldwide engaged in the development of quantum computing or quantum communication. Quantum computing and communication are two sub-fields of quantum information science, which describes and theorizes information science in terms of quantum physics. While the fundamental unit of classical information is the bit, the basic unit of quantum information is the qubit.

Company details

Company	Date initiated	Area	Technology	Affiliate University or Research Institute	Headquarters
Accenture[1]	June 14, 2017	Computing
Alice&Bob	2020	Computing	Superconducting		Paris, France
AmberFlux	2019	Computing/Communications	Quantum Programming, Classical Simulation, Optimization, Algorithms, Quantum Financial Services		Hyderabad, India
Airbus[2]	2015	Computing	Algorithms		Blagnac, France
AT&T[3]	2011	Communication		California Institute of Technology, Fermilab[4]	Dallas, TX, USA
Aliyun (Alibaba Cloud)[5]	July 30, 2015	Computing/Communication[5][6]	Superconducting	Chinese Academy of Sciences [6][7][8]	Hangzhou, China
Atos[9][10]		Computing/Communication	Quantum Programming, Classical Simulation, Cryptography		Bezons, France
Baidu[11]	2018	Computing	Algorithms	University of Technology Sydney[11]	Beijing, China
Booz Allen Hamilton[12]		Computing			Tysons Corner, VA, USA
BT[13]		Communication			London, UK
Carl Zeiss AG[14]				University College London	Oberkochen, Germany
Cambridge Quantum Computing[15]	2014	Computing	Quantum Algorithms Quantum Cybersecurity	University of Cambridge	Cambridge, UK London, UK
CogniFrame Inc[16][17]	2019	Computing	Quantum Algorithms Quantum for financial services	University of Toronto	Toronto, Ontario Toronto, Canada
D-Wave	January 1, 1999	Computing	Superconducting Quantum Annealer		Burnaby, Canada
Elyah[18]	2018	Computing	Quantum Programming[19], Classical Simulation, Software as a service		Tokyo, Japan
Fujitsu[20]	September 28, 2015	Communication	Quantum Dots	University of Tokyo	Tokyo, Japan
Google QuAIL[21]	May 16, 2013	Computing	Superconducting	UCSB	Mountain View, CA, USA
HP[22][23]		Computing[22]/Communication[23]	Algorithms, NMR		Palo Alto, CA, USA
Hitachi	2012	Computing	Silicon CMOS[24]	University of Cambridge, University College London, CEA, University of Copenhagen	Hitachi Cambridge Laboratory[25] and Tokyo, Japan
Honeywell[26][27][28]	2017	Computing	Trapped Ion	Georgia Tech,[26]	Morris Plains, NJ, USA
HRL Laboratories		Computing			Malibu, CA, USA
Huawei Noah's Ark Lab[29]		Communication		Nanjing University	Shenzhen, China
IBM[30]	September 10, 1990[31]	Computing	Superconducting	MIT[32]	Armonk, NY, USA
ID Quantique	July 1, 2001	Communication			Geneva, Switzerland
imec[33]		Computing	Superconducting		Belgium
Intel[34]	September 3, 2015	Computing		TU Delft	Santa Clara, CA, USA
Infineon Technologies[35][36]	2019	Computing	Trapped Ion, Post-Quantum Cryptography	University of Innsbruck	Neubiberg, Germany
ionQ[37][38]	2015	Computing	Trapped Ion	University of Maryland, Duke University	College Park, MD, USA
KPN[39]		Communication			The Hague, Netherlands
Lockheed Martin		Computing	Quantum Annealing	University of Southern California, University College London	Bethesda, MD, USA
MagiQ	1999	Communication			Somerville, MA, USA
Microsoft Research QuArC	December 19, 2011	Computing	Algorithms	TU Delft, Niels Bohr Institute, University of Sydney, Purdue University, University of Maryland, ETH Zurich, UCSB	Redmond, WA, USA
Microsoft Research Station Q	April 22, 2005	Computing	Superconducting	UCSB	Santa Barbara, CA, USA
Mitsubishi[40]		Communication			Tokyo, Japan
NEC Corporation[41]	April 29, 1999[42]	Communication	Quantum Dots	University of Tokyo	Tokyo, Japan
Nokia Bell Labs[43][44]		Computing		University of Oxford	Murray Hill, NJ, USA
Northrop Grumman		Computing			West Falls Church, VA, USA
NTT Laboratories[45]		Computing/Communication	Photonic Quantum Computing, Quantum Communication	Bristol University	Tokyo, Japan
PsiQuantum[46]	2016	Computing	Photonic Quantum Computing	Bristol University	Palo Alto, CA, USA
QRDLab	June 30, 2020	Computing, Consulting, Education	Superconducting	University of Calcutta	Kolkata, India
Quantum Benchmark[47]	2017	Computing	Quantum software for co-design of error-robust applications, algorithm performance optimization, cross-platform assessment tools, error detection and suppression		Kitchener, Ontario, Canada
Quantum Benchmark Labs	2019	Computing	Quantum software for co-design of error-robust applications, algorithm performance optimization, cross-platform assessment tools, error detection and suppression		Berkeley, CA, USA
QxBranch	2014	Computing			Washington, D.C., USA
Quantum Brilliance	2019	Computing	Diamond defect spin	Australian National University	Canberra, Australia
Quantum Circuits, Inc.[48]	2015	Computing	Superconducting	Yale	Connecticut, USA
Quantum Computing Inc.[49]	2001	Computing	Quantum computing applications[50]		Leesburg, VA
Quantum Thought [51]	2018	Computing	Quantum Algorithms	San Francisco	California, USA
Raytheon/BBN[52]		Computing/Communication	Superconducting	MIT	Cambridge, MA, USA
Rigetti Computing	2013	Computing	Superconducting	Berkeley	California, USA
Toshiba[53]		Communication	Quantum Dots	University of Cambridge	Tokyo, Japan
Zapata Computing[54]	2017	Computing	Quantum Algorithms Orquestra Quantum Operating Environment[55]	University of Toronto	Boston, MA, USA
1QBit	December 1, 2012	Computing			Vancouver, Canada

See also

• Quantum programming
• Quantum supremacy
• List of quantum processors

References

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2. Tovey, Alan (2015-12-26). "Airbus's quantum computing brings Silicon Valley to the Welsh Valleys". ISSN 0307-1235. Retrieved 2017-11-02.
3. "(Press Release) AT&T Labs Research - Photon Entanglement over the Fiber-Optic Network". www.research.att.com. Retrieved 2017-10-04.
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10. "(Press Release)Atos launches "Atos Quantum", the first quantum computing industry program in Europe". Atos. 2016-11-06. Retrieved 2017-10-04.
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35. "Quantum computers to become portable". CORDIS. Retrieved 2020-01-24.
36. "Ready for tomorrow: Infineon demonstrates first post-quantum cryptography on a contactless security chip". Infineon Technologies Press Release. 2017-05-30. Retrieved 2020-01-24.
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41. "(Press Release) University of Tokyo, Fujitsu, and NEC Succeed in Quantum Key Distribution from Single-Photon Emitter at World-Record Distance of 120 km". NEC. Retrieved 2017-10-04.
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44. "The Future of Quantum Computing Could Depend on This Tricky Qubit". WIRED. Retrieved 2017-11-04.
45. Carolan, Jacques; Harrold, Christopher; Sparrow, Chris; Martín-López, Enrique; Russell, Nicholas J.; Silverstone, Joshua W.; Shadbolt, Peter J.; Matsuda, Nobuyuki; Oguma, Manabu (2015-07-09). "Universal linear optics". Science. 349 (6249): 711–716. arXiv:1505.01182. doi:10.1126/science.aab3642. ISSN 0036-8075. PMID 26160375.
46. Vance, Ashley (2020-04-06). "Quantum Computing Startup Raises $215 Million for Faster Device". www.bloomberg.com. Retrieved 2020-07-06.
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48. Metz, Cade (2017-11-13). "Yale Professors Race Google and IBM to the First Quantum Computer". The New York Times. ISSN 0362-4331. Retrieved 2020-07-06.
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50. "Quantum Computing Inc Products".
51. Communications, Quantum Thought Corporate. "Quantum Thought: Quantum Machine Learning". www.quantumthought.io. Retrieved 2017-10-04.
52. Communications, Raytheon Corporate. "Raytheon: Quantum information". www.raytheon.com. Retrieved 2017-10-04.
53. Limited, Toshiba Research Europe. "Toshiba: CRL - Quantum Information". www.toshiba.eu. Retrieved 2017-10-04.
54. "About Us". Zapata Computing. Retrieved 2020-05-12.
55. "Product". Zapata Computing. Retrieved 2020-05-12.

Further reading

Quantum Computing Report's list of quantum players