What they do:
Super fast, unblockable browser infra for agents
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HQ: San Francisco, CA, United States
Top Cloud Infrastructure Startups in the United States
This list has 388 startups and was last updated on Oct 15, 2026. 107 of them are hiring right now. Biggest hubs: San Francisco (302), New York (44), and Los Angeles (8). Largest teams: Fivetran, PagerDuty, and Firebase. Latest round: Supabase raised $150M (Oct 2, 2026).
388 startupsPage 6 of 11
What they do:
Making the JVM faster
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HQ: San Francisco, CA, United States
What they do:
The easiest way to use AWS for agents and humans
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HQ: Dayton, OH, United States
What they do:
Deploy serverless without rewriting code
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HQ: San Francisco, CA, United States
What they do:
All-in-one platform to create AI agents with your private knowledge
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HQ: San Francisco, CA, United States
What they do:
Infrastructure for managing GPU clusters for training/serving.
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HQ: San Francisco, CA, United States
What they do:
Infuse knowledge into language models with just 10 samples
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HQ: San Francisco, CA, United States
What they do:
Config Management for Robotics
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HQ: San Francisco, CA, United States
What they do:
The COLD Task Framework
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HQ: San Francisco, CA, United States
What they do:
A stealth mode startup.
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HQ: San Francisco, CA, United States
What they do:
Lossless web data.
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HQ: San Francisco, CA, United States
What they do:
Turn employees' AI skills into shared company infrastructure
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HQ: San Francisco, CA, United States
What they do:
Stripe for telephony
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HQ: Lehi, UT, United States
What they do:
Continual Learning for Agents
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HQ: San Francisco, CA, United States
What they do:
Open Source React.js Library for AI Chat
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HQ: San Francisco, CA, United States
What they do:
Specialized AI for Critical Industries
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HQ: San Francisco, CA, United States
What they do:
Production infrastructure on autopilot
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HQ: San Francisco, CA, United States
What they do:
Digital Twins of humans
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HQ: New York, NY, United States
What they do:
Financial infrastructure for the agent economy
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HQ: San Francisco, CA, United States
What they do:
LLM context compression for better accuracy
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HQ: San Francisco, CA, United States
What they do:
Intelligence for cultural institutions
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HQ: San Francisco, CA, United States
What they do:
The AI-native contact center
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HQ: San Francisco, CA, United States
What they do:
The market behind AI hardware.
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HQ: San Francisco, CA, United States
What they do:
Reliable infrastructure to build, deploy and manage real-world robots.
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HQ: Denver, CO, United States
What they do:
The identity and communication layer for AI agents
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HQ: San Francisco, CA, United States
What they do:
We find flaws in RL environments and evals and help you fix them.
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HQ: San Francisco, CA, United States
What they do:
Autoresearch as a service: we solve your hardest measurable problems
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HQ: San Francisco, CA, United States
What they do:
See and control what your agents actually do
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HQ: San Francisco, CA, United States
What they do:
Continuous optimization for AI agents
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HQ: San Francisco, CA, United States
What they do:
The managed cloud for AI agents.
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HQ: San Francisco, CA, United States
What they do:
Simple third-party app patching and deployment for Windows.
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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…
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HQ: San Francisco, CA, United States
What they do:
The Self-Hosting Company
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HQ: San Francisco, CA, United States
What they do:
A natural language-driven programming assistant.
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HQ: New York, NY, United States
What they do:
AI to track and analyze public policy
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HQ: San Francisco, CA, United States
What they do:
An easier way to deploy and manage cloud apps
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HQ: Atlanta, GA, United States