What they do:
Economically and environmentally sustainable supersonic travel
Quick facts:
HQ: Denver, CO, United States
Top Space & Defense Startups in Colorado
This list has 8 startups and was last updated on Oct 15, 2026. 2 of them are hiring right now. Largest teams: Boom, H3X Technologies, and Quindar. Latest round: Kepler Defense Industries raised $200K (Oct 2, 2026).
8 startups
Quindar
Hiring
What they do:
Datadog for Space
Quick facts:
HQ: Denver, CO, United States
Albedo
Hiring
What they do:
Full-stack VLEO satellite missions
Quick facts:
HQ: Denver, CO, United States
What they do:
The lightest electric aircraft motors in the world.
Quick facts:
HQ: Denver, CO, United States
What they do:
Kill the drone, keep the jet. Reusable unmanned interceptors.
Quick facts:
HQ: Denver, CO, United States
Quick facts:
HQ: Boulder, CO, United States
Incorporated: 2021
Funding:
$21M · Equity · Feb 2026
Quick facts:
HQ: Colorado Springs, CO, United States
Incorporated: 2026
Funding:
$525K · SAFE · Sep 2026
Quick facts:
HQ: Golden, CO, United States
Incorporated: 2026
Funding:
$200K · SAFE · Oct 2026
Questions and answers
How many startups are on this list?
There are 8 startups on this list, last updated on Oct 15, 2026.
Which of them are hiring?
2 of them are hiring right now, including Quindar and Albedo.
Which of them have the largest teams?
By team size: Boom (227 employees), H3X Technologies (58 employees), and Quindar (57 employees).
Which of them raised money recently?
Latest rounds: Kepler Defense Industries — $200K SAFE (Oct 2026), Grex Defense — $525K SAFE (Sep 2026), and Radicl Defense — $21M Equity (Feb 2026).