
Piramidal
What they do:
Foundation Model for the Brain
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HQ: New York, NY, United States
This list has 746 startups and was last updated on Oct 15, 2026. Biggest hubs: San Francisco (443), New York (121), and London (22). Largest teams: Relativity Space, Podium, and Flock Safety. Latest round: Revnu raised €2.6M (Oct 1, 2026).

What they do:
Foundation Model for the Brain
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HQ: New York, NY, United States

What they do:
Transparent, AI-powered healthcare TPA.
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HQ: San Francisco, CA, United States

What they do:
Simulation & Evaluation that scales voice and chat AI agents
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HQ: San Francisco, CA, United States

What they do:
The Memory layer for AI Agents
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HQ: San Francisco, CA, United States

What they do:
AI call centers
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What they do:
Automated AI data integrations for roll-ups
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HQ: New York, NY, United States

What they do:
AI Co-Pilot for Chemical Process Optimization
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HQ: Cambridge, United Kingdom

What they do:
Data for audio AI
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HQ: San Francisco, CA, United States

What they do:
GPUs for Agents
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HQ: San Francisco, CA, United States

What they do:
The OS for hospital workforce management
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HQ: New York, NY, United States

What they do:
Faster healthcare payments
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HQ: San Francisco, CA, United States

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The deterministic layer for frontier intelligence
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HQ: San Francisco, CA, United States

What they do:
Making humanoids dexterous enough to thread a needle
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HQ: San Francisco, CA, United States

What they do:
Build autonomous AI agents for enterprise systems
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HQ: San Francisco, CA, United States

What they do:
Test, monitor, and improve your voice and chat AI agents
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HQ: San Francisco, CA, United States

What they do:
AI Mobile App Quality Assurance Tester
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HQ: San Francisco, CA, United States

What they do:
Voice data for AI
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HQ: San Francisco, CA, United States

What they do:
AI for High-Stakes Work
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HQ: San Francisco, CA, United States

What they do:
AI Physics Engine to replace simulations and prototypes
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HQ: San Francisco, CA, United States

What they do:
AI accounting for enterprise finance teams
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We automate creator marketing for the world's largest brands
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HQ: San Francisco, CA, United States

What they do:
AI agents for the consumer lending industry
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HQ: San Francisco, CA, United States

What they do:
Hire Zalos AI workers to run your finance department
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HQ: London, United Kingdom

What they do:
AI Agents That Run Hotel Operations.
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HQ: San Francisco, CA, United States

What they do:
Intelligence for Automotive Operations
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HQ: New York, NY, United States

What they do:
Real world training envs for healthcare AI models
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HQ: San Francisco, CA, United States

What they do:
AI-powered platform for Accessible and Personalized Breast Health…
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HQ: San Francisco, CA, United States

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First ECG AI to go beyond diagnostics and recommend treatment
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HQ: San Francisco, CA, United States

What they do:
Build and share apps with friends
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HQ: Seattle, WA, United States

What they do:
AI applied research lab building synthetic sapience; human-like AI
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HQ: San Francisco, CA, United States

What they do:
AI for risk and compliance
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HQ: San Francisco, CA, United States

What they do:
The relationship intelligence platform for enterprise revenue
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HQ: San Francisco, CA, United States

What they do:
Sentry for AI Agents
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HQ: San Francisco, CA, United States

What they do:
AI Creative Strategist
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HQ: San Francisco, CA, United States

What they do:
Rippling for seasonal workers
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HQ: San Francisco, CA, United States

What they do:
AI Workers for Healthcare Orgs to Find, Call & Schedule More Patients.
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HQ: San Francisco, CA, United States