13 Quantum Computing companies in United States
13 Quantum Computing companies in United States with 27 founders and decision-makers, led by Palo Alto. 15 verified founder emails. Updated 2026-10-03.
Key findings
- FindMeMail tracks 13 Quantum Computing companies in United States, with 27 founders and decision-makers listed.
- Palo Alto is the top city, with 2 of them (15%), followed by Mountain View (1).
- The most common team size is 1-10 employees (85% of companies).
- 7 (54%) were founded in the last three years.
- 1 have a recorded funding round; the most common is Seed (1).
- 6 companies (46%) have at least one verified founder email, 15 verified emails in total.
Breakdown
Top cities
- Palo Alto: 2 (15%)
- Mountain View: 1 (8%)
- Chicago: 1 (8%)
- New York: 1 (8%)
- Louisville: 1 (8%)
- West Lafayette: 1 (8%)
- Seattle: 1 (8%)
- Hoffman Estates: 1 (8%)
Team size (employees)
- 1-10: 11 (85%)
- 101-250: 2 (15%)
Latest funding round
- Seed: 1 (8%)
Founded (last 10 years)
- 2024: 1 (8%)
- 2025: 6 (46%)
Recently added Quantum Computing companies in United States
- QLuster Photonics — West Lafayette, United States: Atom-compatible, chip-integrated single-photon emitters for quantum networking and distributed quantum computing.
- SpaceLoop Systems, Inc — Sparks, United States: SpaceLoop Systems offers a platform that uses atomic-level recycling to process industrial waste.
- Qorvanta Innovations — New York, United States: Building the next-gen payment ecosystem — rooted in trustless design, adaptive defense, and quantum-level architecture.
- QuNetra — Hoffman Estates, United States: QuNetra is an AI-native Decision Infrastructure platform delivering governed intelligence across the lifecycle for regulated industries.
- Qinsight — Seattle, United States: Qinsight provides a platform that discovers and collects cryptographic signals such as TLS, SSH, certificates, keys, and libraries.
- NeuralQuantum.ai — Collierville, United States: AI + Quantum Computing for intelligent, real-time decision-making.
- Sygaldry Technologies — Mountain View, United States: Sygaldry Technologies is a tech company building quantum-accelerated AI servers to exponentially speed up AI training and inference.
- Infleqtion — Louisville, United States: Infleqtion is a quantum information company that develops software-configured and quantum-enabled products.
- D-Wave Quantum — Palo Alto, United States: D-Wave Systems designs and manufactures quantum computing and superconducting electronics.
- Menten AI — Palo Alto, United States: Menten AI designs new protein drugs and enzymes using quantum computers and machine learning. Proteins are large molecules that can twist into many shapes. Dis…
- qBraid — Chicago, United States: qBraid provides streamlined access to hardware and software in the quantum ecosystem and cutting-edge research exploring and developing real-world applications…
- Polaris Quantum Biotech — Durham, United States: Polaris Quantum Biotech revolutionizes drug design by joining quantum computing with AI and precision medicine.
- Nullspace Inc. — Irvine, United States: Nullspace, Inc develops modern computer-aided engineering software for RF applications
Browse and filter all 13 companies
Frequently asked questions
How many Quantum Computing companies in United States are there?
FindMeMail currently lists 13 Quantum Computing companies in United States with at least one founder or decision-maker identified. The count updates daily as new companies are added.
Where are most Quantum Computing companies in United States based?
Palo Alto (2), Mountain View (1), Chicago (1).
How do I contact founders of Quantum Computing companies in United States?
15 verified founder emails are available for these companies on FindMeMail. Create a free account to get 50 free reveals, then buy one-time credit packs from $12.
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- Seed-stage startups in United States (1,905)
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- Health Care companies in United States (1,647)
- E-Commerce companies in United States (1,545)
- SaaS companies in United States (1,304)
- Pre-seed startups in United States (1,096)
- Financial Services companies in United States (1,062)
- Manufacturing companies in United States (959)
- Consulting companies in United States (949)
- Internet companies in United States (824)
Methodology: counts include companies in the FindMeMail database with at least one identified founder or decision-maker. Data refreshes automatically as new companies are added.