Marble
Hiring
What they do:
The autonomous back-of-house for restaurants.
Quick facts:
HQ: New York, NY, 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 2 of 7
What they do:
Agentic Hotel Operating System
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screenpipe
Hiring
What they do:
Turn your company's computer work into AI agents.
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HQ: San Francisco, CA, United States
What they do:
AI collections agency for late stage portfolios
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HQ: San Francisco, CA, United States
Aktoria Robotics
Hiring
What they do:
Human as API for robots
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HQ: San Francisco, CA, United States
Rational
Hiring
What they do:
First Zero-human Accounting Firm
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HQ: San Francisco, CA, United States
Pennant
Hiring
What they do:
The World Model for Corporate Governance
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HQ: New York, NY, United States
Hubble
Hiring
What they do:
AI-native retrieval engine for medical records
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HQ: Seattle, WA, United States
PRINCEPS
Hiring
What they do:
AI-native insurance company for the compute economy
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HQ: London, United Kingdom
What they do:
Drone swarm defence at a small-unit level
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HQ: San Francisco, CA, United States
Edviro
Hiring
What they do:
AI That Operates Energy Infrastructure
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HQ: San Francisco, CA, United States
Glen
Hiring
What they do:
Institutional Learning Layer for Every Agent in Your Company
Quick facts:
HQ: San Francisco, CA, United States
What they do:
We give AI agents realtime web context via API
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HQ: San Francisco, CA, United States
Bloomy
Hiring
What they do:
AI-native learning for every school
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HQ: San Francisco, CA, United States
What they do:
A research lab for one
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HQ: San Francisco, CA, United States
Denta
Hiring
What they do:
Fortune 500 Dental Benefits for Startups
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HQ: San Francisco, CA, United States
What they do:
Mass-producing and financing micro data center incredibly quickly.
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HQ: San Francisco, CA, United States
What they do:
Rocket cargo delivery to contested environments
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HQ: Los Angeles, CA, United States
What they do:
The AI operating system for radiology networks
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HQ: San Francisco, CA, United States
What they do:
A new kind of camera that can see through walls.
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HQ: San Francisco, CA, United States
What they do:
Scale AI scientists whose own breakthroughs accelerate the next.
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HQ: San Francisco, CA, United States
What they do:
The AI-native trading company: factory prices, delivered, one number
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HQ: San Francisco, CA, United States
What they do:
The AI BPO for financial servies, run by computer-use agents
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HQ: San Francisco, CA, United States
What they do:
Earned intelligence for every company
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HQ: San Francisco, CA, United States
What they do:
The company brain for construction companies
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HQ: San Francisco, CA, United States
What they do:
AI-native debt collection company
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What they do:
Supply chain compliance and cost savings
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HQ: Salt Lake City, UT, United States
What they do:
AI that finds value creation opportunities across enterprise…
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HQ: San Francisco, CA, United States
What they do:
The most capable American-made humanoid robot for $1,688
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HQ: San Francisco, CA, United States
What they do:
Metal manufacturing, faster, cheaper, and more versatile.
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HQ: Boston, MA, United States
What they do:
Full Stack Pharmaceutical Company for Personalized Peptides and GLP-1s
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HQ: San Francisco, CA, United States
Operon
Hiring
What they do:
Agentic data layer for manufacturing & process industries.
Quick facts:
HQ: San Francisco, CA, United States
YC S26Early stage
Lamb Labs
Hiring
What they do:
Lightning fast chips with hardcoded AI models
Quick facts:
HQ: San Francisco, CA, United States
YC S26Early stage
What they do:
Grok bot for GTM & Revenue teams
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HQ: San Francisco, CA, United States
What they do:
Hosting platform for software you can't afford to have hacked
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HQ: George Town, Cayman Islands
What they do:
The cheapest, fastest inference cloud
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HQ: San Francisco, CA, United States