WATERFX
Shut down
What they do:
The world's first 100% sustainable water provider (aka alternative…
Quick facts:
HQ: CA, United States
Top Deep Tech Startups
This list has 1,861 startups and was last updated on Oct 15, 2026. 377 of them are hiring right now. Biggest hubs: San Francisco (704), New York (137), and Los Angeles (79). Largest teams: Breadfast, DoorDash, and EquipmentShare. Latest round: Scimplify raised $25M (Oct 15, 2026).
Survival statistics →1,040 open roles →
1,861 startupsPage 52 of 52
AuroraQ
Shut down
What they do:
Building the first practical, integrated quantum computer.
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Hideout
Shut down
What they do:
A portfolio of delivery-only restaurant brands
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HQ: Los Angeles, CA, United States
Trident Bioscience
Shut down
What they do:
Accelerating protein engineering.
Quick facts:
HQ: San Francisco, CA, United States
Outfit
Shut down
What they do:
DIY renovations in a box. Materials, tools, and instructions delivered
Quick facts:
HQ: New York, NY, United States
Wattvision
Shut down
What they do:
Sensors and software for energy tracking. Like 'fitbit' for your…
Quick facts:
HQ: Princeton, NJ, United States
CO2Stats
Shut down
What they do:
Social and environmental web analytics. Acquired in December 2016.
Quick facts:
HQ: Boston, MA, United States
YC S08Early stage
Claimspotting
Shut down
What they do:
Claim and conquer your city
Quick facts:
HQ: Remote
YC S08Early stage
View3
Shut down
What they do:
View 3, an active clad-alignment splicer with the world's highest fiber image magnification rate, is the most dependable fusion splicer.
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YC W07Early stage
Coco Controller
Shut down
What they do:
We're building a tactile gaming controller for mobile phones.
Quick facts:
YC S12Early stage
RoverRide
Shut down
What they do:
A universal urban transit app. Given all transportation options…
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HQ: San Francisco, CA, United States
YC W13Early stage
Logiblock
Shut down
What they do:
Logiblock engineers electronics and development tools to dramatically…
Quick facts:
HQ: San Francisco, CA, United States
YC W13Early stage
Yumbin
Shut down
What they do:
App replaces office vending.
Quick facts:
HQ: San Francisco, CA, United States
YC W14Early stage
Ohm
Shut down
What they do:
Never jump start your car again.
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HQ: San Francisco, CA, United States
YC S15Early stage
Silver
Shut down
What they do:
Low cost consumer device for toxin detection.
Quick facts:
HQ: San Francisco, CA, United States
YC W16Early stage
Pearl
Shut down
What they do:
The future of office coffee. Keurig convenience meets cafe quality.
Quick facts:
HQ: San Francisco, CA, United States
YC W17Early stage
Modular Science
Shut down
What they do:
We're making it easier to do sustainable farming.
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HQ: San Francisco, CA, United States
YC S17Early stage
Nutrigene
Shut down
What they do:
Personalized liquid supplements based your health data
Quick facts:
HQ: San Francisco, CA, United States
YC W18Early stage
Spero Foods
Shut down
What they do:
dairy reinvented from plants
Quick facts:
HQ: San Francisco, CA, United States
YC S18Growth stage
Mipos.dev
Shut down
What they do:
Api that let you connect all the restaurant tech services in Latam
Quick facts:
HQ: Mexico City, Mexico
YC S19Early stage
Micro Meat
Shut down
What they do:
Technologies for scaling up cultured/clean meat production
Quick facts:
YC S21Early stage
Canopi
Shut down
What they do:
API to measure and eliminate carbon emissions
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HQ: San Francisco, CA, United States
Boost Biomes
Shut down
Quick facts:
HQ: Brisbane, CA, United States
Laguna
Shut down
Quick facts:
HQ: New York, NY, United States
Spaces Life
Shut down
Quick facts:
YC W09Early stage