What they do:
Eclipse Foods is building the future of dairy using micelles, the…
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HQ: San Francisco, CA, United States
YC W19Growth stage
Top Startups in California
This list has 3,698 startups and was last updated on Oct 15, 2026. 827 of them are hiring right now. Biggest hubs: San Francisco (3,173), Los Angeles (197), and San Diego (39). Largest teams: DoorDash, Stripe, and Airbnb. Latest round: Renue Life Sciences raised $250K (Oct 14, 2026).
3,698 startupsPage 61 of 103
What they do:
AI platform accelerating therapies for rare & inflammatory diseases.
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HQ: San Francisco, CA, United States
YC S19Early stage
What they do:
Avion builds and operates autonomous eVTOL drones that deliver vital…
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HQ: San Francisco, CA, United States
YC W20Early stage
What they do:
Get up and running with large language models.
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HQ: San Francisco, CA, United States
YC W21Growth stage
What they do:
Online University for Tech Professionals
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HQ: San Francisco, CA, United States
What they do:
Easy accounting for e-commerce
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HQ: San Francisco, CA, United States
YC S21Early stage
What they do:
Remote Shell Access in the Browser
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HQ: San Francisco, CA, United States
YC W23Early stage
What they do:
AI operating system for veterinary care
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HQ: San Francisco, CA, United States
YC W24Early stage
What they do:
Generate ads. Iterate till perfect.
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HQ: San Francisco, CA, United States
YC W24Early stage
What they do:
Datasets and evals to push the frontier of visual intelligence.
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HQ: San Francisco, CA, United States
YC W24Early stage
What they do:
An AI agent for scientific research
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HQ: San Francisco, CA, United States
YC S24Early stage
What they do:
Random labs is building long running autonomous coding agents.
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HQ: San Francisco, CA, United States
YC S24Early stage
What they do:
Transform Images And Videos Into Immersive 3D With AI
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HQ: San Francisco, CA, United States
YC S24Early stage
What they do:
Reimagining how Machines Learn
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HQ: San Francisco, CA, United States
YC W25Early stage
What they do:
Accelerating world models.
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HQ: San Francisco, CA, United States
YC X25Early stage
What they do:
General Purpose Robots
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HQ: San Francisco, CA, United States
YC F25Early stage
What they do:
Explore dozens of design directions with your agent
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HQ: San Francisco, CA, United States
YC F25Early stage
What they do:
AI Document Workflows for Enterprises
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HQ: San Francisco, CA, United States
YC W26Early stage
What they do:
AI-native back-office for banks and fintechs
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
Social media content auto-generated with your existing data
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HQ: San Francisco, CA, United States
YC W26Early stage
What they do:
AI Event Manager for in-person events
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HQ: San Francisco, CA, United States
YC X26Early stage
What they do:
AI Employee for Manufacturing Operations
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HQ: San Francisco, CA, United States
YC X26Early stage
What they do:
The full-stack AI CRO for drug discovery.
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HQ: San Francisco, CA, United States
YC F26Early stage
What they do:
Engineering Intelligence and Token Optimization for the AI-Coding Era
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
The simplest interface in the world to talk AI models + spawn agents
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HQ: San Francisco, CA, United States
YC X26Early stage
What they do:
We help Fortune 500 companies hedge their supply chain risk
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
AI-native insurance department for auto body shops
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HQ: San Francisco, CA, United States
YC W27Early stage
What they do:
Teaching AI to Design Chips
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
Autonomous Hardware Testing
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
cards for AI agents
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
Autopilot for Flight Operations
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
AI teammates for your business-critical work.
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
AI-native Accounting Firm that's killing Deloitte
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HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
Hyperscaling space manufacturing
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HQ: Los Angeles, CA, United States
YC F26Early stage
What they do:
Autonomous CNC factories for faster hardware
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HQ: San Francisco, CA, United States
YC F26Early stage
What they do:
Resin helps engineers design electronics faster and more reliably
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HQ: San Francisco, CA, United States
YC F26Early stage