What they do:
AI FDE that deploys custom AI agents into ERPs
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HQ: San Francisco, CA, United States
Y Combinator Summer 2026 Startups
This list has 230 startups and was last updated on Oct 15, 2026. 41 of them are hiring right now. Biggest hubs: San Francisco (185), New York (12), and Los Angeles (6). Largest teams: Isengard Industries Inc, Sunflower, and Care GP. Latest round: Mireye raised $1.01M (Sep 30, 2026).
230 startupsPage 5 of 7
What they do:
Making Diamond Semiconductors
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HQ: San Francisco, CA, United States
What they do:
Real-world RL environments for robotics models
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HQ: San Francisco, CA, United States
What they do:
Simulating Agents Running Industrial Companies
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HQ: San Francisco, CA, United States
What they do:
Accurately simulate market response at scale
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HQ: San Francisco, CA, United States
What they do:
A cloud devbox that feels local
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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:
AI Agents to Make Local Gov Efficient
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HQ: San Francisco, CA, United States
What they do:
Making Defense Manufacturing Faster and Cheaper
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HQ: New York, NY, United States
What they do:
AI-native OS for Real Estate Brokerages
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HQ: San Francisco, CA, United States
What they do:
OpenClaw for manufacturers
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HQ: San Francisco, CA, United States
What they do:
Defining the frontier of multiplayer AI.
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HQ: San Francisco, CA, United States
What they do:
AI brain for creators that runs their social content
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HQ: Los Angeles, CA, United States
What they do:
Market for future inference capacity
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HQ: San Francisco, CA, United States
What they do:
Training the world's best AI model for quantitative finance.
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HQ: San Francisco, CA, United States
What they do:
We are a multi-strategy trading firm that trains AI traders.
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HQ: San Francisco, CA, United States
What they do:
Drop-in robotic labor that works on Day 1
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HQ: Los Angeles, CA, United States
What they do:
CrowdStrike for AI Agents
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HQ: San Francisco, CA, United States
What they do:
Quant Neolab building self-improving agents from quant data
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HQ: San Francisco, CA, United States
What they do:
AI-native freight brokerage
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HQ: San Francisco, CA, United States
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Healthcare AI
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HQ: New York, NY, United States
What they do:
AI for Construction's Back Office
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HQ: San Francisco, CA, United States
What they do:
AI Operating System for Wholesale Distribution
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HQ: San Francisco, CA, United States
What they do:
Databricks for Enterprise Codebases
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HQ: San Francisco, CA, United States
What they do:
The world's frontier hacker of AI agents.
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HQ: San Francisco, CA, United States
What they do:
Legora for commercial insurance carriers
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HQ: San Francisco, CA, United States
What they do:
AI-Native Insurance for Frontier Tech
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HQ: San Francisco, CA, United States
What they do:
Predict how market participants behave
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HQ: San Francisco, CA, United States
What they do:
Industrial Controllers built for AI
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HQ: Los Angeles, CA, United States
What they do:
AI native platform for real estate closings
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HQ: San Francisco, CA, United States
What they do:
Virtual Reality for Training Robots
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HQ: San Francisco, CA, United States
What they do:
Derivatives Exchange for Compute
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HQ: New York, NY, United States
What they do:
AI-Native Engineering Firm designing Data Centers
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HQ: San Francisco, CA, United States
What they do:
Expert computer-use data for frontier AI labs
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What they do:
Curing cancer. Starting with dogs.
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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