Quantum consulting and trainingDallas
LFI
Vendor-independent governance partner helping advanced manufacturers adopt quantum computing, sensing and security, from quantifying economic value to building…
Quantum companies in United States
Compare quantum companies with an address in United States. Confirm service areas and capabilities before you engage.
Results
46 quantum companies
Quantum componentsSan Diego
Monarch Quantum
Delivers Quantum Light Engines: integrated photonics hardware combining electronics, systems engineering and advanced manufacturing for quantum computing,…
Quantum componentsBozeman
Montana Instruments
Manufactures closed-cycle optical cryostats and cryogenic modules such as CryoAdvance and Cryostation, with Galaxy control software; describes itself as a…
Quantum consulting and trainingBozeman
Montana Photonics & Quantum Alliance
Industry alliance for photonics and quantum companies, academia and government in Montana, offering a member directory, benefits, training, events, a job board…
Quantum componentsPasadena
OEwaves
Develops photonics products including narrow-linewidth lasers, noise analyzers and RF/mmWave/THz test systems; lists quantum technology, metrology and sensing…
Quantum componentsMonrovia
Photon Spot
Makes cryogenic systems reaching below 1 Kelvin without liquid helium and superconducting nanowire single-photon detectors; products used in NASA missions, by…
Quantum hardwareGoleta
Qolab
Quantum hardware company engineering industrial-grade superconducting QPUs, using wafer-scale integration and advanced semiconductor packaging to bond qubit…
Post-quantum cryptography vendorsNew York
Qrypt
Provides quantum-secure encryption products, including quantum entropy services, an appliance, an IPsec gateway, and digital quantum key distribution.
Quantum software and algorithmsSan Rafael
Quantum Computing Data
Conducts research in high-performance quantum computation, developing scalable quantum simulation and benchmarking workflows on modern HPC and GPU…
Quantum componentsHoboken
Quantum Computing Inc
Subsidiaries page of Quantum Computing Inc describing acquired photonics businesses: NHanced Semiconductors makes 3DIC and 2.5D assemblies; Optogration makes…
Quantum software and algorithms5360 Arapahoe Ave, Ste G #1099, Boulder
Quantum Rings
Offers a platform for large-scale quantum circuit simulation on classical hardware plus access to real QPUs from leading providers through one API, and a free…
Post-quantum cryptography vendorsBethesda
Quantum XChange
Offers Phio TX, a FIPS 140-3 and FIPS 203 validated post-quantum key management and cryptographic management platform deployable in cloud, virtual, container…
Quantum consulting and trainingCambridge
QURECA
Provides online quantum training courses, customised quantum training for business, educational partnerships with academia, quantum talent recruitment, and…
Quantum sensing and metrologyLouisville
QuSpin
Manufactures quantum magnetometers including optically pumped zero-field and total-field sensors used in biomagnetism, geophysics, defense and research.
Quantum hardwareCalifornia
Rigetti Computing
Builds quantum computers and quantum processing units, including the nine-qubit Novera system, using dilution-refrigerated hardware.
Post-quantum cryptography vendors303 South Broadway, Tarrytown
SandboxAQ
Builds AI and quantum-related technologies including Large Quantitative Models for simulation, AQtive Guard for cryptography management, and AQNav sensing…
Quantum hardwareElmsford
SEEQC
Develops a digital quantum computing platform that integrates core quantum computer functions on a digital chip using superconducting electronics at…
Quantum componentsBloomington
SkyWater Technology
US semiconductor foundry offering quantum solutions and superconducting process technology to develop, integrate and scale quantum computing and sensing…
Quantum sensing and metrologyPleasanton
Vector Atomic
Engineers atomic clocks, inertial sensors and an atomic gravimeter for navigation and timing networks; rackmount optical atomic clocks validated versus…
Quantum components14998 W. 6th Ave., Suite 700, Golden
Vescent
Designs and manufactures low-SWaP lasers, optical frequency combs and controllers enabling quantum-scale timing, sensing, navigation and computing; solutions…
Quantum componentsSyracuse
XMA
Manufactures RF and microwave components including cryogenic products such as IR filters, attenuators and terminations for space, telecom, mil/aerospace and…
Quantum software and algorithmsBoston
Zapata Quantum
Quantum software company offering Quantum Pilot, an application discovery and development platform; teams with NVIDIA on agentic AI for quantum algorithm…
States
Cities
- Boulder, CO6
- Bozeman, MT2
- Cambridge, MA2
- Goleta, CA2
- Arvada, CO1
- Austin, TX1
- Berkeley, CA1
- Bethesda, MD1
- Bloomington, MN1
- Boston, MA1
- Broomfield, CO1
- California, CA1
- Chattanooga, TN1
- Chicago, IL1
- Dallas, TX1
- Denver, CO1
- Elmsford, NY1
- Golden, CO1
- Hoboken, NJ1
- Louisville, CO1
- Monrovia, CA1
- Mountain View, CA1
- New York, NY1
- Pasadena, CA1
- Pittsford, NY1
- Plainsboro, NJ1
- Pleasanton, CA1
- Plymouth, MI1
- QUANTUM RESEARCHERS Austin, TX1
- San Diego, CA1
- San Jose, CA1
- San Rafael, CA1
- Santa Barbara, CA1
- Sheridan, WY1
- Syracuse, NH1
- Tarrytown, NY1
- Tempe, AZ1
- Woburn, MA1
Categories
Questions
Which states in United States have the most quantum companies?
The states with the most quantum companies are CA (12 quantum companies), CO (11 quantum companies), MA (4 quantum companies), NY (4 quantum companies), and TX (3 quantum companies).
Which cities in United States have the most quantum companies?
The cities with the most quantum companies are Boulder, CO (6 quantum companies), Bozeman, MT (2 quantum companies), Cambridge, MA (2 quantum companies), Goleta, CA (2 quantum companies), and Arvada, CO (1 quantum company).
What kinds of quantum companies are in United States?
Categories in United States: Quantum components, Quantum sensing and metrology, Quantum consulting and training, Quantum software and algorithms, and Post-quantum cryptography vendors.
Published by Quantum Companies. How we check each quantum company.