Minicor
Hiring
What they do:
Scalable windows desktop automations
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 3 of 9
SID
Hiring
What they do:
AI research center for retrieval
Quick facts:
HQ: San Francisco, CA, United States
Airweave
Hiring
What they do:
The open-source context retrieval layer for agents
Quick facts:
HQ: San Francisco, CA, United States
Luminal
Hiring
What they do:
Making AI run fast on any hardware.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Turning everyday words and actions into usable training data.
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HQ: San Francisco, CA, United States
What they do:
The high-performance file system that connects AI to data
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HQ: San Francisco, CA, United States
Osmosis
Hiring
What they do:
Reinforcement Learning (RL) for AI Agents
Quick facts:
HQ: San Francisco, CA, United States
truthsystems
Hiring
What they do:
Automatically blocking risky behavior with real-time governance agents
Quick facts:
HQ: San Francisco, CA, United States
SF Tensor
Hiring
What they do:
Infrastructure for AI labs to focus on research.
Quick facts:
HQ: San Francisco, CA, United States
Rivet
Hiring
What they do:
Rivet Actors are the primitive for stateful workloads
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HQ: San Francisco, CA, United States
What they do:
Inference for real-time voice and chat
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HQ: San Francisco, CA, United States
Flowtel
Hiring
What they do:
The AI Voice agents for hotels
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HQ: San Francisco, CA, United States
RunAnywhere
Hiring
What they do:
Fastest inference anywhere: open models on-prem, hosted or on-device
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HQ: San Francisco, CA, United States
What they do:
The AI-native observability platform for fast-moving engineering teams
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HQ: San Francisco, CA, United States
Interfaze
Hiring
What they do:
AI model built for high accuracy deterministic tasks
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HQ: San Francisco, CA, United States
Luca IQ
Hiring
What they do:
API-first tax engine for CPA firms and developers
Quick facts:
HQ: San Francisco, CA, United States
Runtime.si
Hiring
What they do:
Evaluation Infrastructure for Robotics (YC F26)
Quick facts:
HQ: San Francisco, CA, United States
Aravolta
Hiring
What they do:
Software to monitor, control, and optimize data centers.
Quick facts:
HQ: San Francisco, CA, United States
TraceRoot.AI
Hiring
What they do:
Open Source AI Agent Improvement Platform
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HQ: San Francisco, CA, United States
Imprezia
Hiring
What they do:
The World's First AI Ad Network.
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HQ: San Francisco, CA, United States
primitive
Hiring
What they do:
communication for agents
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HQ: San Francisco, CA, United States
What they do:
Scalable validation infrastructure for AI agents
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HQ: San Francisco, CA, United States
What they do:
Cloud and Container Security Platform
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HQ: San Francisco, CA, United States
MSPilot
Hiring
What they do:
Turn AI adoption into a recurring revenue line.
Quick facts:
HQ: San Francisco, CA, United States
Archon
Hiring
What they do:
We help software companies sell to government.
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HQ: San Francisco, CA, United States
PgDog
Hiring
What they do:
Scaling engine for PostgreSQL
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HQ: San Francisco, CA, United States
Attune
Hiring
What they do:
Faster builds, zero effort.
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HQ: San Francisco, CA, United States
Miso Labs
Hiring
What they do:
Emotive foundation voice models
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HQ: San Francisco, CA, United States
What they do:
Take command of the AI your company already runs on.
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HQ: San Francisco, CA, United States
Ardent
Hiring
What they do:
Database sandboxes for Agents
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HQ: San Francisco, CA, United States
What they do:
Agent native workspace for heavy parallel workflows on the web
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HQ: San Francisco, CA, United States
What they do:
The user infrastructure platform
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HQ: San Francisco, CA, United States
Zettascale Computing
Hiring
What they do:
Chips for frontier AI
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HQ: San Francisco, CA, United States
What they do:
The Localization Engineering Platform
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HQ: San Francisco, CA, United States
Unsiloed AI
Hiring
What they do:
API for parsing multimodal unstructured data
Quick facts:
HQ: San Francisco, CA, United States
Lemma
Hiring
What they do:
Production Monitoring for AI agents
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HQ: San Francisco, CA, United States