Top Quantum Computing Companies (88)

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, an IBM company, 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 by IBM, HRL is a source of innovations that advance the state of the art in profound and far-reaching ways.

QphoX is a quantum transduction company. We are building the world's first quantum modem™ device, connecting quantum computers across a quantum network. Our technology will form the backbone of the future quantum internet

IITM CDOT Samgnya Technologies Foundation, also known as Samgnya (Quantum T-Hub), is a nonprofit established as the designated Thematic Hub for Quantum Communication under India’s National Quantum Mission, led by the Department of Science and Technology. Based at IIT Madras Research Park, it advances quantum-communication research, innovation and technology development aimed at strengthening digital infrastructure security and supporting applications in...

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...

Swabian Instruments is a high-tech test and measurement company headquartered in Stuttgart, Germany. They specialize in designing and manufacturing digital data acquisition and signal generation systems for research and industry. Their high-performance instruments, including Time Taggers, empower scientists and engineers globally to implement measurement ideas faster and accelerate groundbreaking research, particularly within photonic quantum technology.

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.

Quantum computing is poised to reshape our world by addressing the complex challenges we face today. We deliver enterprise-ready quantum solutions that will empower humanity with quantum capabilities, paving the way for a brighter future.

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...

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...

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...

Nu Quantum is building the Entanglement Fabric to unlock commercial quantum computing scale-out. Stay Entangled!

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.

Qolab is a hardware company founded in 2022 that specializes in developing utility-scale superconducting quantum computers. By combining deep physics and engineering expertise with strategic semiconductor partnerships, the company aims to solve the toughest challenges on the path to fault-tolerant quantum computing, creating scalable solutions for industries requiring immense computational resources, such as finance, pharmaceuticals, and energy.

Scientific and technological breakthroughs take years of tireless work, fighting for resources and pushing for acceptance of new ideas. What keeps researchers and engineers plodding on to the next big discovery? It’s an obsession. A life’s calling. At Atom Computing, we’re our customers’ biggest fans on the journey of discovery. That’s why we’re obsessed with creating the world’s most scalable and reliable...

AQT is working on general-purpose quantum information processors that will support a broad range of applications in various industries. We use a scalable trapped-ion approach combining unmatched physical performance, extraordinary qubit control, and demonstrated optical networkability. Alpine Quantum Technologies GmbH (AQT) was founded in 2018 by Prof. Rainer Blatt, Dr. Thomas Monz, and Prof. Peter Zoller. It is the goal of...

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.

Forschungszentrum Jülich is one of Europe's largest interdisciplinary research centers and a founding member of the Helmholtz Association. It conducts groundbreaking research in the fields of energy, information, and bioeconomy to solve global challenges. Its work encompasses digital transformation, climate protection, and the sustainable circular economy, leveraging world-class infrastructure such as exascale supercomputers and nanotechnology facilities to develop practical applications.

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.

QAI Ventures is a global venture capital firm and ecosystem builder specializing in transformative technologies across the advanced computing value chain, from quantum hardware and sensing to advanced AI. It provides early-stage capital and strategic support to startups, focusing on pure quantum technology and AI-integrated solutions, particularly within the energy, life sciences, and finance sectors.