Synapse Semiconductor
Hiring
What they do:
New semiconductors that merge compute and vision
Quick facts:
HQ: Durham, NC, United States
Top Deep Tech Startups in the United States
This list has 1,386 startups and was last updated on Oct 15, 2026. 306 of them are hiring right now. Biggest hubs: San Francisco (704), New York (137), and Los Angeles (79). Largest teams: DoorDash, EquipmentShare, and GrubMarket. Latest round: Onebrief raised $151M (Oct 14, 2026).
1,386 startupsPage 14 of 39
IMPACT Drones
Hiring
What they do:
Air Defense as a Service for Civilian Infrastructure.
Quick facts:
HQ: San Francisco, CA, United States
Marble
Hiring
What they do:
The autonomous back-of-house for restaurants.
Quick facts:
HQ: New York, NY, United States
Aktoria Robotics
Hiring
What they do:
Human as API for robots
Quick facts:
HQ: San Francisco, CA, United States
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
Quick facts:
HQ: San Francisco, CA, United States
Rhem Labs
Hiring
What they do:
Home care technology for aging parents and their families
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Vertically integrated commercial construction
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HQ: San Francisco, CA, United States
What they do:
Tesseract builds better thrusters for modern satellites
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HQ: Livermore, CA, United States
What they do:
We turn CO2 into battery-grade graphite and oxygen.
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HQ: San Francisco, CA, United States
What they do:
Repellent coatings without PFAS
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HQ: State College, PA, United States
What they do:
The spot market for semiconductors
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HQ: San Francisco, CA, United States
What they do:
World's fastest and most optimal route optimization engine
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HQ: Ontario, CA, United States
What they do:
We stop cows from burping methane.
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HQ: San Francisco, CA, United States
What they do:
Limitless Real Estate
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HQ: San Francisco, CA, United States
What they do:
Manufacturing more proteins with AI.
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HQ: San Francisco, CA, United States
What they do:
Plaid for Commercial Real Estate
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HQ: Boston, MA, United States
What they do:
Building persistent, high-performance infrastructure in the sky
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HQ: Seattle, WA, United States
What they do:
Developing long-lasting drug formulations 50% faster
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HQ: Sacramento, CA, United States
What they do:
Building the next Procore
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HQ: Santa Barbara, CA, United States
What they do:
We make robots that move boxes in warehouses
Quick facts:
HQ: San Francisco, CA, United States
Consus
Hiring
What they do:
The fastest and cheapest way to use AI with ITAR or CUI data.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
The memory computer for your digital life.
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HQ: San Francisco, CA, United States
What they do:
The personal AI agent for Korea.
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HQ: San Francisco, CA, United States
What they do:
Hardware-Aware AI for Embedded Software
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HQ: San Francisco, CA, United States
What they do:
Your phone finally has someone to run it. Plug in Blue, just ask.
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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
AptDeco
Hiring
What they do:
AptDeco is the easiest way to buy and sell used furniture
Quick facts:
HQ: New York, NY, United States
YC W14Growth stage
What they do:
"Name Your Price" for products
Quick facts:
HQ: New York, NY, United States
What they do:
Sourcing investment real estate
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HQ: New York, NY, United States
What they do:
Enabling T cell immunotherapy discovery, development and manufacturing
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HQ: San Francisco, CA, United States
What they do:
iPhone-based driver monitoring for commercial fleets.
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HQ: San Francisco, CA, United States
Spice Data
Hiring
What they do:
Restaurant Data for the Enterprise
Quick facts:
HQ: San Francisco, CA, United States
YC S19Early stage
What they do:
Elevating mental health to be a part of your daily coffee ritual.
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HQ: San Francisco, CA, United States
What they do:
Autonomous street sweeping as a service by retro-fitting vehicles
Quick facts:
HQ: San Francisco, CA, United States