Top United States Quantum Computing Companies (45)

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building a resilient economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help...

HRL Laboratories, LLC, Malibu, California, (hrl.com) pioneers the next frontiers of physical and information science. Delivering transformative technologies in automotive, aerospace and defense, HRL advances the critical missions of its customers. As a private company owned jointly by Boeing and GM, HRL is a source of innovations that advance the state of the art in profound and far-reaching ways.

FEITIAN US delivers cybersecurity solutions for modern identity, authentication, and access control. We help enterprises, government agencies, educational institutions, financial institutions, healthcare organizations, and technology partners protect users, devices, applications, and facilities through phishing-resistant MFA, passwordless authentication, FIDO security keys, smart cards, PKI/PIV solutions, OTP tokens, biometric authentication, and converged physical and logical access control. Our solutions are built to strengthen...

The Simons Foundation's mission is to advance the frontiers of research in mathematics and the basic sciences, acting as a champion of basic science through grant funding, support for research, and public engagement.

Sygaldry Technologies is building quantum-accelerated AI servers to exponentially speed up training and inference. Its servers combine multiple qubit types within a single, fault-tolerant architecture to deliver the combination of cost, scale, and speed necessary for advanced AI applications. The company is led by quantum veterans Chad Rigetti and Idalia Friedson and AI scientist Michael Keiser. Sygaldry has offices in...

FormFactor, Inc. is a leading provider of essential test and measurement technologies for the semiconductor industry, offering products like probe cards, analytical probes, and cryogenic systems to support the full integrated circuit (IC) life cycle.

MultiVM Labs is an R&D lab focused on post-quantum cryptography and blockchain infrastructure, building Layer 1 technology designed for a future where elliptic curve cryptography is no longer secure.

Monarch Quantum is a U.S.-based quantum photonics company that designs and manufactures integrated photonics systems, known as Quantum Light Engines™, for quantum computing, sensing, and communications.

FiveRivers Technologies provides enterprise-class solutions and software in areas like AI, autonomy, robotics, quantum cryptography, AR/VR, IoT, and cybersecurity, and has been pioneering virtualization and systems management technology since 2003.

C12 is building reliable quantum computers. The company is a spin-off from ENS launched in January 2020 by twin brothers Matthieu and Pierre Desjardins to supercharge the development of the lab’s promising new quantum technology. Quantum computing has the potential to change our lives. But frequent errors limit the technology’s viability. We are tackling the fundamental issue: the nature of the hardware...

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...

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...

Haiqu is a quantum software company developing new application execution stack for all modalities of near-term quantum computers. Our software holds the scale records for data loading, computational fluid dynamics, deep simulation, and noise-resilient QML.

The future is quantum. Oxford Ionics is at the forefront of pioneering quantum computing, delivering world-leading innovation to create the most powerful, accurate, and reliable quantum systems. Quantum computing offers a radically new way of building computers that harnesses the power of quantum physics to outperform conventional supercomputers exponentially. Using our unique trapped-ion technology, we are leading the race to...

Our mission is to deliver the world’s best tools to solve the toughest quantum challenges, offering solutions that are more accessible, reliable, and affordable while building a work force and supply chain that advance U.S. quantum leadership. We listen to our customers, understand their needs, and employ cutting-edge science and human-centered engineering to deliver industry-leading performance and unrivaled user experience.

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...

Quantum computers are a revolutionizing technology — they have the potential to transform business, society, and the planet for the better, and IonQ is at the forefront of this revolution. After over 25 years of academic research, IonQ was founded in 2015 by Chris Monroe and Jungsang Kim with $2 million in seed funding from New Enterprise Associates, a license to...

IQM builds superconducting full‑stack quantum computers and cloud services for research institutions, HPC centers, enterprises and national labs. The company delivers on‑premises systems and managed cloud access, focusing on scalable, high‑fidelity qubit architectures and full‑stack control to accelerate real‑world applications and research in science, industry and technology.

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...

Zurich Instruments develops and manufactures advanced products for Quantum Computing and Periodic Signal Measurement. Based in Zurich, Switzerland, with subsidiaries and offices in Germany, Japan, USA, South Korea, France, and China, we are committed to providing high-quality instrumentation and direct support to our international customers, scientists, and technologists who are dedicated to measuring complex phenomena using our instruments. Our product range...