What they do:
Drones that clear clouds over solar farms and weaken hurricanes
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HQ: San Francisco, CA, United States
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 54 of 103
What they do:
Compression middleware that improves LLM outputs
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HQ: San Francisco, CA, United States
What they do:
Payments for Conversational Agents
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HQ: San Francisco, CA, United States
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API for performance-based payroll
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HQ: San Francisco, CA, United States
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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:
AI that runs factories.
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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
What they do:
The customer brain that connects data to explain customer behavior
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HQ: San Francisco, CA, United States
What they do:
Stablecoin Global Bank Account
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HQ: San Francisco, CA, United States
What they do:
FDE as a platform for rebuilding critical operations in software.
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HQ: San Francisco, CA, United States
What they do:
AI Cost Management: Track and attribute AI spend across every provider
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HQ: San Francisco, CA, United States
What they do:
AI Video Production for Professionals
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HQ: San Francisco, CA, United States
What they do:
AI coworker for video editors to ship more video faster
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HQ: San Francisco, CA, United States
What they do:
The hardware-agnostic operating system for drone defense
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HQ: San Francisco, CA, United States
What they do:
Research lab building the most robotic household in the world
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HQ: San Francisco, CA, United States
What they do:
The Media Engine of the AI Era
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HQ: San Francisco, CA, United States
What they do:
We help software companies get discovered and used by AI agents
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HQ: San Francisco, CA, United States
What they do:
Humanoid robot platform for builders.
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HQ: San Francisco, CA, United States
What they do:
Turn how your team works into playbooks and agents
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HQ: San Francisco, CA, United States
What they do:
Hyper-efficient coolers for data centers
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HQ: San Francisco, CA, United States
What they do:
Make websites improve themselves.
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HQ: San Francisco, CA, United States
What they do:
Autonomous research agents for R&D and applied science
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HQ: San Francisco, CA, United States
What they do:
staffing firms with dreach grow revenue faster.
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HQ: San Francisco, CA, United States
What they do:
Near-real-time video infrastructure for LLMs
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HQ: San Francisco, CA, United States
What they do:
Bring AI to life with the world's best interactive avatars
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HQ: Los Angeles, CA, United States
What they do:
Company brain every AI-native enterprise runs on
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HQ: San Francisco, CA, United States
What they do:
Agentic operating system for auto repair shops
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HQ: San Francisco, CA, United States
What they do:
The AI Agent Insurance Carrier
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HQ: San Francisco, CA, United States
What they do:
Control lab instruments with natural language.
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HQ: San Francisco, CA, United States
What they do:
Building AI Native Customs Brokerages
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HQ: San Francisco, CA, United States
What they do:
Prime brokerage for prediction markets
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HQ: San Francisco, CA, United States
What they do:
AI that turns your product into on-brand marketing content
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HQ: San Francisco, CA, United States
What they do:
Deployment infrastructure for Physical AI
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HQ: San Francisco, CA, United States
What they do:
Distributed runtime for AI workloads at scale
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HQ: San Francisco, CA, United States