SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Gravitics logo Gravitics Designs and manufactures modular space station modules, orbital carriers, and cargo logistics spacecraft for commercial and national security missions. vs Sierra Space Designs and manufactures satellite platforms, reusable spaceplanes, expandable habitats, and propulsion systems for national security and civil space Sierra Space logo
HEAD-TO-HEAD1 shared sector
Gravitics Sierra Space
Founded 2021 2021
Headquarters Seattle, Washington, USA Louisville, Colorado, USA
Type private private
Status operating operating
Employees 35 1,072
Total funding 20000000 $2.2B
Latest round seed Series C
Sectors Space Stations & Habitats, Space Defense Systems, Space Transportation & Logistics Satellite Manufacturing, Space Propulsion, Space Stations & Habitats
Products listed 4 7
Federal contracts 1 ($6.5M)
Launches
Leaders listed Colin Doughan, Sundeep Kumar, Scott Macklin Dan Jablonsky, Janet Kavandi, Troy Lahr
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Gravitics and Sierra Space compare?

Both companies work in Space Stations & Habitats. Gravitics was founded in 2021 and Sierra Space in 2021.

Which is larger, Gravitics or Sierra Space?

Sierra Space reports the larger workforce, with 1,072 employees versus 35.

Which has more US federal contracts, Gravitics or Sierra Space?

Sierra Space has been awarded more, with $6.5M across 1 awards.

Numbers refresh on every render against the live Space Index database. Federal contract data from USAspending.gov; launches from LaunchLibrary2.