Airo Health
Shut down
What they do:
Airo is an AI wearable to track mental health.
Quick facts:
HQ: San Francisco, 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 51 of 52
GTRACK Technologies
Shut down
What they do:
Nanoparticle tracers for reservoir characterization during hydraulic…
Quick facts:
HQ: San Francisco, CA, United States
Reebeez
Shut down
What they do:
Reebeez creates powerful microengines for UAVs. With a 2hr + flight…
Quick facts:
HQ: Austin, TX, United States
boxouse
Shut down
What they do:
portable, affordable, beautiful smart homes
Quick facts:
HQ: San Francisco, CA, United States
Cowlar
Shut down
What they do:
Fitbit for dairy cows. Farms use cowlar's alerts & recommendations to…
Quick facts:
HQ: Memphis, TN, United States
Riley
Shut down
What they do:
MailChimp for SMS
Quick facts:
HQ: New York, NY, United States
LitHit
Shut down
What they do:
Smart Target for Shooting Sports
Quick facts:
Sudden Coffee
Shut down
What they do:
Crystallized coffee that's better than fresh Starbucks
Quick facts:
HQ: San Francisco, CA, United States
Origin
Shut down
What they do:
Keurig for healthy smoothies.
Quick facts:
HQ: San Francisco, CA, United States
Sycamore
Shut down
What they do:
Marketplace for companies to add a delivery driver in 5 minutes.
Quick facts:
Firsthand
Shut down
What they do:
Firsthand makes software-enabled, self-serve retail kiosks that carry…
Quick facts:
Passerine Aircraft
Shut down
What they do:
Passerine Aircraft is building the next generation of dronesWe are…
Quick facts:
HQ: Johannesburg, South Africa
California Dreamin
Shut down
What they do:
Cannabis infused beverages
Quick facts:
HQ: Sacramento, CA, United States
Skip
Shut down
What they do:
Electric scooters for reliable last-mile transportation.
Quick facts:
HQ: San Francisco, CA, United States
Viaopt
Shut down
What they do:
Uber pool for corporate trucking fleets
Quick facts:
HQ: San Francisco, CA, United States
OSIMple
Shut down
What they do:
Software for inspectors to automate their paper workflow.
Quick facts:
Lambda Tea
Shut down
What they do:
We build self-serve bubble tea dispensers! :D
Quick facts:
Simmer
Shut down
What they do:
We do reviews for dishes. Our app helps users find the very best…
Quick facts:
HQ: San Francisco, CA, United States
Bensen
Shut down
What they do:
Online and phone ordering for restaurant takeout and delivery
Quick facts:
HQ: Boston, MA, United States
Tensil
Shut down
What they do:
We turn machine learning models into custom hardware.
Quick facts:
HQ: San Francisco, CA, United States
Blockstamp
Shut down
What they do:
Blockstamp is an asset management software for industrial equipment
Quick facts:
HQ: Los Angeles, CA, United States
The Mercer Club
Shut down
What they do:
The Mercer Club is a subscription service that allows men to rent…
Quick facts:
HQ: New York, NY, United States
Global Belly
Shut down
What they do:
Marketplace enabling social commerce for brands and content creators.
Quick facts:
HQ: San Francisco, CA, United States
Apartio
Shut down
What they do:
Apartio offers Short Term Rentals for Business Travelers in Brazil
Quick facts:
Taste
Shut down
What they do:
Online marketplace for dinners shipped from great restaurants
Quick facts:
HQ: New York, NY, United States
Eat Blueprint
Shut down
What they do:
Longevity Nutrition Service
Quick facts:
HQ: San Francisco, CA, United States
Cache
Shut down
What they do:
Online convenience stores fulfilled by tiny, automated dark stores.
Quick facts:
HQ: San Francisco, CA, United States
Drivingforce
Shut down
What they do:
Rippling for trucking
Quick facts:
HQ: San Francisco, CA, United States
Lifecast
Shut down
What they do:
Software to create 3D video for VR, robotics and film.
Quick facts:
HQ: San Francisco, CA, United States
Phoenix Hydrogen
Shut down
What they do:
First commodity marketplace for hydrogen.
Quick facts:
HQ: San Francisco, CA, United States
Overflux
Shut down
What they do:
Streamline EV charger installations for real estate developers
Quick facts:
HQ: Los Angeles, CA, United States
Choppy!
Shut down
What they do:
FAST FLAVORFUL PROTEIN
Quick facts:
HQ: Los Angeles, CA, United States
Serial
Shut down
What they do:
Root cause manufacturing issues in seconds
Quick facts:
HQ: San Francisco, CA, United States
deepsilicon
Shut down
What they do:
Software and hardware to run neural networks faster and cheaper
Quick facts:
HQ: San Francisco, CA, United States
Kanava AI
Shut down
What they do:
Your First AI Sales Hire for Wholesale Distributors
Quick facts:
HQ: San Francisco, CA, United States
Kyten Technologies
Shut down
What they do:
Custom Aerospace-Grade Battery Packs
Quick facts:
HQ: Seattle, WA, United States