What they do:
Waymo for excavators
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HQ: San Francisco, CA, United States
Top AI Startups in California
This list has 1,429 startups and was last updated on Oct 15, 2026. 461 of them are hiring right now. Biggest hubs: San Francisco (1,355), Los Angeles (47), and San Diego (4). Largest teams: Cruise, Relativity Space, and Athelas. Latest round: Agriculture Scout AI raised $425K (Oct 13, 2026).
1,429 startupsPage 28 of 40
What they do:
Planet-scale people discovery.
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HQ: San Francisco, CA, United States
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AI-native ERP for manufacturers
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HQ: San Francisco, CA, United States
What they do:
Synthetic populations for decisions
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HQ: San Francisco, CA, United States
What they do:
Automating regulatory submissions for life sciences
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HQ: San Francisco, CA, United States
What they do:
Payment infrastructure for AI agents
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HQ: San Francisco, CA, United States
What they do:
Find what's losing you customers and money in your AI agent and fix it
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HQ: San Francisco, CA, United States
What they do:
TikTok for Sports Trading
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HQ: San Francisco, CA, United States
What they do:
The OS for data quality across any stack
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HQ: San Francisco, CA, United States
What they do:
Delivering AI-powered situational awareness in tactical environments.
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HQ: San Francisco, CA, United States
What they do:
The sensitive data redaction layer for AI
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HQ: San Francisco, CA, United States
What they do:
The control plane for AI agents.
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HQ: San Francisco, CA, United States
What they do:
A proactive desktop copilot. Clippy, but actually good.
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HQ: San Francisco, CA, United States
What they do:
AI language buddy in the games kids love
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HQ: San Francisco, CA, United States
What they do:
The coding agent that actually collaborates with you
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HQ: San Francisco, CA, United States
What they do:
Code and browse in the same place
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HQ: San Francisco, CA, United States
What they do:
The first platform where families can create AI cartoons in minutes
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HQ: San Francisco, CA, United States
What they do:
AI Legal OS
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HQ: Los Angeles, CA, United States
What they do:
Use Claude Code at 47% less cost in one line of installation.
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HQ: San Francisco, CA, United States
What they do:
AI that automatically improves products from user behavior
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HQ: San Francisco, CA, United States
What they do:
Detect what AI can automate for your team
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HQ: San Francisco, CA, United States
What they do:
AI Employees for Primary Care
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HQ: San Francisco, CA, United States
What they do:
Enterprise post-training, monitoring, and continual learning platform
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HQ: San Francisco, CA, United States
What they do:
AI models that learn from experience
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HQ: San Francisco, CA, United States
What they do:
AI SRE agent that triages, coordinates, and fixes production incidents
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HQ: San Francisco, CA, United States
What they do:
AI native radars for self-driving cars
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HQ: San Francisco, CA, United States
What they do:
Turn gatherings into lasting relationships.
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HQ: San Francisco, CA, United States
What they do:
API sandboxes, built for AI agents
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HQ: San Francisco, CA, United States
What they do:
The secure training data R&D engine for physical AI
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HQ: San Francisco, CA, United States
What they do:
The robot workforce for infrastructure
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HQ: San Francisco, CA, United States
What they do:
Keeping contractors on the job site, not behind a desk.
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HQ: San Francisco, CA, United States
What they do:
API for performance-based payroll
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HQ: San Francisco, CA, United States
What they do:
Adversarial AI that breaks your AI
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HQ: San Francisco, CA, United States
What they do:
The AI-native property management company for short-term rentals
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HQ: San Francisco, CA, United States
What they do:
Using VLMs to Catch Damage
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HQ: San Francisco, CA, United States
What they do:
Financial infrastructure for family caregiving
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HQ: San Francisco, CA, United States