What they do:
Infrastructure for managing GPU clusters for training/serving.
Quick facts:
HQ: San Francisco, CA, United States
Top Cloud Infrastructure Startups in San Francisco
This list has 302 startups and was last updated on Oct 15, 2026. 91 of them are hiring right now. Largest teams: Fivetran, PagerDuty, and Firebase. Latest round: Supabase raised $150M (Oct 2, 2026).
302 startupsPage 5 of 9
What they do:
Infuse knowledge into language models with just 10 samples
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Config Management for Robotics
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The COLD Task Framework
Quick facts:
HQ: San Francisco, CA, United States
What they do:
A stealth mode startup.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Lossless web data.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Turn employees' AI skills into shared company infrastructure
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Continual Learning for Agents
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Open Source React.js Library for AI Chat
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Specialized AI for Critical Industries
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Production infrastructure on autopilot
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Financial infrastructure for the agent economy
Quick facts:
HQ: San Francisco, CA, United States
What they do:
LLM context compression for better accuracy
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Intelligence for cultural institutions
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The AI-native contact center
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The market behind AI hardware.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The identity and communication layer for AI agents
Quick facts:
HQ: San Francisco, CA, United States
What they do:
We find flaws in RL environments and evals and help you fix them.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Autoresearch as a service: we solve your hardest measurable problems
Quick facts:
HQ: San Francisco, CA, United States
What they do:
See and control what your agents actually do
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Continuous optimization for AI agents
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The managed cloud for AI agents.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Simple third-party app patching and deployment for Windows.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Virtualmin is taking on the lack of innovation in the server admin programs, like Plesk, by making a more accessable version for pages managed by the…
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The Self-Hosting Company
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AI to track and analyze public policy
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Simpler and cheaper multi-cloud and cross-platform deployments.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Helping Companies Deploy Email Agents in High Trust Domains
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Prompt and Context Optimization for Coding Agents
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AWS for AI Agents
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Building agents that reads logs and fixes issues on your behalf.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Embedded Sandboxes for Agents
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Reinforcement learning as a service
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Abundant Intelligence for Everyone
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Sandboxes for AI agents
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Run open models as fast as your hardware allows
Quick facts:
HQ: San Francisco, CA, United States