SpaceRyde
Shut down
What they do:
The Rocket Network: Sustainable & On-Demand Delivery Anywhere in Space
Quick facts:
HQ: San Francisco, CA, United States
Top Space & Defense Startups
This list has 149 startups and was last updated on Oct 15, 2026. 46 of them are hiring right now. Biggest hubs: San Francisco (47), Los Angeles (23), and New York (6). Largest teams: Relativity Space, Astranis, and Stoke Space. Latest round: Onebrief raised $151M (Oct 14, 2026).
149 startupsPage 5 of 5
Exosonic, Inc.
Shut down
What they do:
Developing supersonic UAVs as a pathway to quiet supersonic flight
Quick facts:
HQ: Los Angeles, CA, United States
Bagaveev Corporation
Shut down
What they do:
Launch small satellites
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
Passerine Aircraft
Shut down
What they do:
Passerine Aircraft is building the next generation of dronesWe are…
Quick facts:
HQ: Johannesburg, South Africa