What they do:
Learn how to build a scalable growth engine
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HQ: San Francisco, CA, United States
Y Combinator Summer 2019 Startups
This list has 174 startups and was last updated on Oct 16, 2026. 31 of them are hiring right now. Biggest hubs: San Francisco (62), New York (27), and Los Angeles (7). Largest teams: Breadfast, Pair Team, and LAIKA.
174 startupsPage 3 of 5
What they do:
Transform your video monitoring with AI
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HQ: San Francisco, CA, United States
What they do:
Stoic helps people feel better and take care of their mental health.
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HQ: Kraków, Poland
What they do:
Flux is building the payment network for alternative payments in…
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HQ: Mexico City, Mexico
What they do:
AppLovin for the food & CPG
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HQ: New York, NY, United States
What they do:
We help top engineers from emerging markets get jobs abroad at…
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HQ: Bishkek, Kyrgyzstan
What they do:
We make engineering interviewing look more like real work.
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What they do:
Dex is a personal CRM that reminds you to keep in touch with the…
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HQ: San Francisco, CA, United States
What they do:
Building the NASDAQ for Real Estate.
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HQ: Los Angeles, CA, United States
What they do:
Institutional equities broker-dealer
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HQ: New York, NY, United States
What they do:
Turn manual healthcare process into automated workflows
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HQ: Lehi, UT, United States
What they do:
Building flying wind turbines.
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What they do:
Repellent coatings without PFAS
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HQ: State College, PA, United States
What they do:
Empowering local retailers with tech that works for them.
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What they do:
Helping families plan and pay for funerals.
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HQ: San Francisco, CA, United States
Spice Data
Hiring
What they do:
Restaurant Data for the Enterprise
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HQ: San Francisco, CA, United States
YC S19Early stage
Deepnote
Hiring
What they do:
A better data science notebook.
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HQ: San Francisco, CA, United States
What they do:
Shiru leverages ML to create proteins to feed the world sustainably.
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HQ: San Francisco, CA, United States
What they do:
Chat game universe
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HQ: New York, NY, United States
What they do:
The neural engine for autonomous robots
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HQ: St. Louis, MO, United States
What they do:
Using DNA to store data.
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HQ: Boston, MA, United States
What they do:
We build better immunotherapies
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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:
23andMe for environmental exposures
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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:
Build UI fast.
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HQ: San Francisco, CA, United States
What they do:
AI platform accelerating therapies for rare & inflammatory diseases.
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HQ: San Francisco, CA, United States
YC S19Early stage
What they do:
Next-Generation Surgical Navigation and Robotics
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HQ: Boston, MA, United States
YC S19Early stage
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HQ: San Francisco, CA, United States
Obie
Acquired
What they do:
Moving Investment Property Insurance Forward
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HQ: Chicago, IL, United States
Localyze
Acquired
What they do:
Global mobility platform for companies and employees
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HQ: Hamburg, Germany
Embrace
Acquired
What they do:
Modern user-focused observability built on OpenTelemetry
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HQ: Los Angeles, CA, United States
Compound
Acquired
What they do:
Compound is a wealth manager for people who work at tech companies.
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HQ: San Francisco, CA, United States
Cuboh
Acquired
What they do:
We help restaurants manage their online orders.
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Vendr
Acquired
What they do:
The AI negotiation agent to help you save money on SaaS.
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HQ: Boston, MA, United States
MyPetrolPump
Acquired
What they do:
On demand fuel delivery service in India
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