Sierra Space
168 jobsSeries C+ · Louisville, CO
Building commercial space stations and the Dream Chaser spaceplane.
$2.8B+ raisedFunded 3/5/2026
True Anomaly
164 jobsSeries C+ · Denver, CO
Secures the space domain.
$1.6B raisedFunded 4/28/2026
Ursa Major
81 jobsSeries C+ · Berthoud, CO
Builds rocket propulsion systems.
$498.7M raisedFunded 11/18/2025
Boom Supersonic
28 jobsSeries C+ · Englewood, CO
Builds supersonic aircraft and turbines.
$794.3M raisedFunded 12/9/2025
Lunar Outpost
24 jobsSeries C+ · Golden, CO
Enables cislunar infrastructure.
$55.8M raisedFunded 4/29/2026
Delivers high-resolution Earth imagery.
$110.7M raisedFunded 1/23/2024
Builds high-efficiency electric motors.
$24.8M raisedFunded 8/6/2024
Operates spacecraft via cloud software.
$27.3M raisedFunded 11/18/2025
Deploys stratospheric imaging platforms.
$49.9M raisedFunded 1/10/2025
Builds orbital fuel networks.
$45.2M raisedFunded 7/7/2025
Slingshot Aerospace
3 jobsSeries A · Colorado Springs, CO
Space-tracking and analytics platform for satellite operators and space safety.
$182.8M raisedFunded 7/1/2025
Lux Aeterna
2 jobsSeed · Denver, CO
Builds fully reusable satellites.
$28.9M raisedFunded 3/10/2026
Kayhan Space
Seed · Broomfield, CO
Orchestrates satellite operations.
$12.1M raisedFunded 9/21/2023
ThinkOrbital
Seed · Boulder, CO
In-space construction, welding, and X-ray inspection for orbital infrastructure.
$9.9M raisedFunded 1/14/2026
How this list is built
BuildList includes active companies with a canonical sector and headquarters metro. Hiring counts come from verified openings collected directly from company applicant-tracking systems.