16 Operating Systems companies in United States
16 Operating Systems companies in United States with 24 founders and decision-makers, led by San Francisco. 8 verified founder emails. Updated 2026-10-03.
Key findings
- FindMeMail tracks 16 Operating Systems companies in United States, with 24 founders and decision-makers listed.
- San Francisco is the top city, with 2 of them (13%), followed by Austin (2).
- The most common team size is 1-10 employees (75% of companies).
- 9 (56%) were founded in the last three years.
- 7 have a recorded funding round; the most common is Seed (4).
- 5 companies (31%) have at least one verified founder email, 8 verified emails in total.
Breakdown
Top cities
- San Francisco: 2 (13%)
- Austin: 2 (13%)
- Mountain View: 2 (13%)
- New York: 2 (13%)
- Newark: 1 (6%)
- Collierville: 1 (6%)
- Dallas: 1 (6%)
- St Louis: 1 (6%)
Team size (employees)
- 1-10: 12 (75%)
- 11-50: 3 (19%)
- 51-100: 1 (6%)
Latest funding round
- Seed: 4 (25%)
- Venture - Series Unknown: 1 (6%)
- Series A: 1 (6%)
- Grant: 1 (6%)
Founded (last 10 years)
- 2021: 2 (13%)
- 2025: 4 (25%)
- 2026: 5 (31%)
Recently added Operating Systems companies in United States
- DrSwarm — Mountain View, United States: DrSwarm is an AI-powered clinical operations platform that manage administrative and operational functions across clinics and health systems
- ZAMBEZI ZERØ — Newark, United States: ZAMBEZI ZERØ builds AI-powered infrastructure for conservation, ecosystem management, and the emerging nature economy.
- Fluxive Inc — Saratoga Springs, United States: An Applied AI Research Lab developing the Machineforce Cortex and zero-trust agentic ecosystems to empower human-machine collaboration.
- Still Cloud — New York, United States: Personal Life Operating System – a private, 3D cloud for habits, budget, recovery, and goals. Predicts drift before it happens.
- BookedJobs — Dallas, United States: BookedJobs helps home service businesses convert more paid leads into booked jobs and maximize ROI.
- PantriApp — Houston, United States: Building the Household OS: AI infrastructure for the next generation of home services.
- Caliburn — Austin, United States: Caliburn Technologies develops TempestOS, an autonomous warfare operating system for maritime defense platforms.
- NeuralQuantum.ai — Collierville, United States: AI + Quantum Computing for intelligent, real-time decision-making.
- ServiceNomad — Austin, United States: ServiceNomad builds agentic AI workforces that run customer operations for service businesses.
- Andy OS — San Francisco, United States: An Android operating system for PC and Cloud
- Be — Mountain View, United States: Be is a website that delivers celebrity news all over the world
- LeagueOS — St Louis, United States: LeagueOS enables its users to create their own league and control their own data.
- MakerOS — New York, United States: MakerOS is an all-in-one collaboration platform for 3D printing businesses to improve workflows with their clients and get projects done.
- Oscilar — Palo Alto, United States: The smartest way to make risk decisions.
- Wilderness Labs — San Francisco, United States: Professional connected things (IoT) development platform
- Niswonger Foundation — Greeneville, United States: Niswonger Foundation is a nonprofit organization that creates opportunities for individual and community growth through education.
Browse and filter all 16 companies
Frequently asked questions
How many Operating Systems companies in United States are there?
FindMeMail currently lists 16 Operating Systems 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 Operating Systems companies in United States based?
San Francisco (2), Austin (2), Mountain View (2).
How do I contact founders of Operating Systems companies in United States?
8 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.
Related reports
- Software companies in United States (3,675)
- Artificial Intelligence (AI) companies in United States (2,382)
- Seed-stage startups in United States (1,905)
- Information Technology companies in United States (1,861)
- 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.