What they do:
Building agents that reads logs and fixes issues on your behalf.
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HQ: San Francisco, CA, United States
Top Cloud Infrastructure Startups in California
This list has 311 startups and was last updated on Oct 15, 2026. 91 of them are hiring right now. Biggest hubs: San Francisco (302) and Los Angeles (8). Largest teams: Fivetran, PagerDuty, and Firebase. Latest round: Supabase raised $150M (Oct 2, 2026).
311 startupsPage 6 of 9
What they do:
Embedded Sandboxes for Agents
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HQ: San Francisco, CA, United States
What they do:
Reinforcement learning as a service
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HQ: San Francisco, CA, United States
What they do:
Abundant Intelligence for Everyone
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HQ: San Francisco, CA, United States
What they do:
Sandboxes for AI agents
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HQ: San Francisco, CA, United States
What they do:
Run open models as fast as your hardware allows
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HQ: San Francisco, CA, United States
What they do:
The continuous oversight engine for clinical trials
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HQ: San Francisco, CA, United States
What they do:
Building intellectually curious AI
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HQ: San Francisco, CA, United States
What they do:
Everything on anyone.
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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:
AI Agents for Platform Engineering
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HQ: San Francisco, CA, United States
What they do:
Self-tuning search for products and files
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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:
Infrastructure for Autonomous Science
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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:
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
What they do:
AI that runs factories.
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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:
Distributed runtime for AI workloads at scale
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HQ: San Francisco, CA, United States
What they do:
The control point for AI agents at work.
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HQ: San Francisco, CA, United States
What they do:
Co-designing the fastest intelligence
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HQ: San Francisco, CA, United States
What they do:
Effortlessly deploy cloud software factories.
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HQ: San Francisco, CA, United States
What they do:
Self-optimizing neocloud that cuts LLM costs by 100x
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HQ: San Francisco, CA, United States
What they do:
Market for future inference capacity
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HQ: San Francisco, CA, United States
What they do:
We find where AI agents fail, then train better models to run them.
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HQ: San Francisco, CA, United States
What they do:
Training company-specific models that approve AI actions.
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HQ: San Francisco, CA, United States
What they do:
Autonomous rovers to make the ‘Google Maps’ of underground utilities
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HQ: San Francisco, CA, United States
What they do:
Open source AI gateway that turns your traffic into better models
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HQ: San Francisco, CA, United States
What they do:
Intelligent Cloud for AI workloads
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HQ: San Francisco, CA, United States
What they do:
Building in-house, frontier AI labs for companies
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HQ: San Francisco, CA, United States
What they do:
Fast inference for voice
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HQ: San Francisco, CA, United States
What they do:
Turn any website into an MCP for your agents, in minutes
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HQ: San Francisco, CA, United States
What they do:
reducing agent reasoning into a graph search problem
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HQ: San Francisco, CA, United States
What they do:
Make your LLMs 3x faster.
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HQ: San Francisco, CA, United States