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Top Quantum Computing Companies (23)

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Software • Quantum Computing • Metaverse • Infrastructure as a Service (IaaS)
Redmond, Washington, USA
206,870 Employees

At Microsoft, our mission is to empower every person and every organization on the planet to achieve more. Our mission is grounded in both the world in which we live and the future we strive to create. Today, we live in a mobile-first, cloud-first world, and the transformation we are driving across our businesses is designed to enable Microsoft and our customers to thrive in this world.


Cloud • Hardware • Information Technology • Software • Quantum Computing
2 Offices
140 Employees

Rigetti Computing is building the world’s most powerful computers to help solve humanity’s most pressing and important problems. These systems will perform computations that today’s fastest supercomputers are incapable of — unlocking entirely new classes of problems and offering a direct path to solutions. We believe quantum computing is going to significantly affect health care, how we treat disease, how we generate energy, and how we feed humanity. Our superconducting quantum computing systems are available over the cloud via Rigetti Quantum Cloud Services. We were founded in 2013 by Chad Rigetti. We are located in Berkeley and Fremont, California, and have employees based all over the world.


Information Technology • Software • Quantum Computing
Palo Alto, California, USA
199,202 Employees

D-Wave is the leader in the development and delivery of quantum computing systems, software and services and is the world's first commercial supplier of quantum computers and the only company developing both annealing quantum computers and gate-model quantum computers. Our mission is to unlock the power of quantum computing for the world. We do this by delivering customer value with practical quantum applications for problems as diverse as logistics, artificial intelligence, materials sciences, drug discovery, scheduling, cybersecurity, fault detection, and financial modeling.


Quantum Computing • Manufacturing
Fremont, California, USA
36 Employees

AOSense, Inc. is a leading developer and manufacturer of quantum technologies. We build systems and sub-components including atom optic devices for precision navigation, gravity measurement, timekeeping and quantum computing. Our capabilities include gyroscopes, accelerometers, inertial measurement units (IMUs), gravimeters, gravity gradiometers, and atomic frequency standards. A variety of quantum technologies such as computing, magnetometry and quantum communication benefit from our development of sub-components such as compact and stable laser systems, atom sources, and a variety of hardware. AOSense was formed in 2004 by Brenton Young and Mark Kasevich to spin-off innovative research developed at Stanford University, joined by Jim Spilker as Chairman. In 2006, AOSense was awarded its first prime contract from DARPA to design, build, and test a gravity gradiometer and single axis accelerometer/gyroscope. Since then, AOSense has successfully designed and built state-of-the-art cold atom technology for numerous government sponsored programs funded by DARPA, Air Force, Army, Navy, NASA, NSF, DTRA, and the intelligence community. AOSense is an employee-owned company.


AdTech • Software • Quantum Computing • Metaverse
16 Offices
244,433 Employees

A problem isn't truly solved until it's solved for all. Googlers build products that help create opportunities for everyone, whether down the street or across the globe. Bring your insight, imagination and a healthy disregard for the impossible. Bring everything that makes you unique. Together, we can build for everyone.


Hardware • Information Technology • Quantum Computing
New Haven, Connecticut, USA
35 Employees

Quantum Circuits, Inc. (QCI) is developing a full-stack quantum computing platform using superconducting devices and a modular, robust, and scalable architecture. QCI's mission is to build the first truly useful quantum computers. Our novel approach to building quantum computers is based on technology developed over a decade of research at Yale University's world-class quantum labs. Our machines have built-in error correction, unique software features that enable lightning-fast algorithm execution, and multiple modes of operation to solve more algorithms than ever, all in one quantum computer.


Information Technology • Quantum Computing • Infrastructure as a Service (IaaS) • Big Data Analytics
12 Offices
533,854 Employees

At IBM, work is more than a job - it's a calling: To build. To design. To code. To consult. To think along with clients and sell. To make markets. To invent. To collaborate. Not just to do something better, but to attempt things you've never thought possible. To lead in this new era of technology and solve some of the world's most challenging problems. IBM is a leading cloud platform and cognitive solutions company. Restlessly reinventing since 1911, we are the largest technology and consulting employer in the world, with more than 350,000 employees serving clients in 170 countries. With Watson, the AI platform for business, powered by data, we are building industry-based solutions to real-world problems. For more than seven decades, IBM Research has defined the future of information technology with more than 3,000 researchers in 12 labs located across six continents.


Big Data • Cloud • Software • Cybersecurity • Quantum Computing
Irving, Texas, USA
75,792 Employees

Atos is a global leader in digital transformation with 110,000 employees and annual revenue of € 12 billion. European number one in Cybersecurity, Cloud and High-Performance Computing, the Group provides tailored end-to-end solutions for all industries in 73 countries. Pioneer in decarbonization services and products, Atos is committed to a secure and decarbonized digital for its clients. Atos operates under the brands Atos and Atos|Syntel. Atos is a SE (Societas Europaea), listed on the CAC40 Paris stock index. The purpose of Atos is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.


Artificial Intelligence • Hardware • Machine Learning • Quantum Computing
132 Employees


Hardware • Quantum Computing
Cambridge, Massachusetts, USA
17 Employees

We develop scalable quantum computers to tackle the world’s hardest computational challenges. Join us: https://jobs.polymer.co/atlantic-quantum.


Cybersecurity • Quantum Computing
35 Employees

ISARA Corporation is a security solutions company specializing in creating class-defining quantum-safe cryptography for today's computing ecosystems. When ISARA was founded in 2015, we kept one ambitious mission in mind: to build a quantum-safe world where all the possibilities and benefits of quantum computing can be realized, with none of the security risks.


Hardware • Software • Cybersecurity • Quantum Computing


Hardware • Quantum Computing
Boston, Massachusetts, USA
58 Employees

Located in Boston, QuEra Computing is a maker of advanced neutral-atoms based quantum computers, pushing the boundaries of what is possible in the industry. Founded in 2018, the company is built on pioneering research recently conducted nearby at both Harvard University and MIT. QuEra is building the industry’s most scalable quantum computers to tackle useful but classically intractable problems for commercially relevant applications. Our signature 256-qubit machine, Aquila, the largest publicly-accessible machine in the world, is available now for general use over the Amazon Braket cloud. For more information, visit us at quera.com.


Information Technology • Quantum Computing
2 Offices
120 Employees

ColdQuanta is the leader in Cold Atom Quantum Technology, the most scalable, versatile, and commercially viable application of quantum. The company operates three lines of business - Quantum Computing, Devices and Machines, and Quantum Research-as-a-Service. The Quantum Computing division is developing the launch of Hilbert 1.0, a cloud-based 100 qubit quantum computer. The Devices and Machines division provides products for quantum computing companies and quantum lab environments. Quantum Research-as-a-Service supports the government and enterprises in developing quantum inertial sensing, radio frequency receivers, and networking technologies, including high precision clock prototypes. ColdQuanta is based in Boulder, CO, with offices in Madison, Wisconsin and Oxford, UK.


Software • Quantum Computing
Austin, Texas, USA
16 Employees

Strangeworks is an unconventional computing software company based in Austin, TX. Founded by whurley, Strangeworks is currently making quantum computing accessible by building and delivering tools for software developers and researchers, and systems management for IT Administrators and CIOs. Strangeworks'​ mission is to revolutionize technology by guiding companies through the confusion and chaos of quantum computing, making it easily accessible to all.


Machine Learning • Other • Cybersecurity • Quantum Computing • Defense
6,000 Employees

Pacific Northwest National Laboratory advances the frontiers of knowledge, taking on some of the world’s greatest science and technology challenges. PNNL is a U.S. Department of Energy national lab with distinctive strengths in chemistry, Earth sciences, biology, and data science that are central to our scientific discovery mission. PNNL’s research lays a foundation for innovations that advance sustainable energy through decarbonization and energy storage and enhance national security through nuclear materials and threat analyses. PNNL collaborates with academia in its fundamental research and with industry to transition technologies to market.


Software • Quantum Computing
Boston, Massachusetts, USA
94 Employees

Our scientists help industry-leading companies understand — and capitalize on — the capabilities of quantum computing today, and the possibilities of quantum computing tomorrow. With Fortune Global 1000 companies, we are developing solutions for a wide range of industries including chemistry, logistics, finance, oil and gas, aviation, pharmaceuticals and materials. Zapata's quantum platform Orquestra(R) combines a powerful software platform and quantum algorithm libraries to deliver real-world advances in computational power for applications — particularly in machine learning, optimization and chemistry. Orquestra enables users to compose quantum workflows and orchestrate their execution across classical and quantum technologies.


Software • Quantum Computing
Palo Alto, California, USA
31 Employees

QC Ware is a quantum computing software company building enterprise solutions that run on quantum hardware. The company's stated objective is to make quantum computing easily accessible to classically-trained data scientists and to offer performance speed-ups on near-term hardware. QC Ware is working towards that goal with one of the world's strongest teams of quantum algorithms scientists. The company is based in Palo Alto, it recently opened an office in Paris, and it plans to launch a Tokyo office in 2020.


Hardware • Quantum Computing
Berkeley, California, USA
17 Employees

Bleximo is building full-stack superconducting application-specific systems. Our core thesis is that integrated solutions, with a focus on the unique challenges of each high-value practical problem, will offer a competitive advantage to our customers. The ability to co-design processors, software and control stack in one product development process is our strategic differentiator: everything from the fundamental physics of superconducting technology to the dynamics of the software in a deployed system is considered in an integrated way. With state-of-the-art coherence times, our superconducting processor technology provides the foundation for building the most advanced systems on the market.


Information Technology • Software • Quantum Computing
87 Employees

1QBit redefines intractable problems by reframing them to achieve superior results using the most effective quantum and classical processors built to date. We work with our partners to build industry applications on our hardware-agnostic platform to produce the best available results today, while continually improving these results through the ability to switch the underlying solver as new releases and hardware architectures are developed. 1QBit’s hardware-agnostic platforms and services future proof our partners by enabling their applications to continually improve alongside advancements in both classical and quantum processors. 1QBit partners with Fortune 500 clients and leading hardware providers to solve industry problems in the areas of optimization, simulation, and machine learning. 1QBit’s team of researchers, industry specialists, and software developers understand the unique strengths of each type of quantum computing architecture and identify problems within industry that are well suited to benefit from these new approaches to processing. We work with our clients to develop novel approaches to applications using a quantum lens. We build the resulting solutions on top of our hardware-agnostic platform so that the applications improve alongside advances in both classical and quantum computing architectures.