SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Astrobotic Technology logo Astrobotic Technology Develops lunar landers, rovers, surface power systems, and reusable suborbital rockets for payload delivery and infrastructure on the Moon. 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
Astrobotic Technology Sierra Space
Founded 2007 2021
Headquarters Pittsburgh, Pennsylvania, USA Louisville, Colorado, USA
Type private private
Status operating operating
Employees 275 1,072
Total funding $249.6M $2.2B
Latest round Grant Series C
Sectors Lunar Services, Satellite Manufacturing, Suborbital & High-Altitude Satellite Manufacturing, Space Propulsion, Space Stations & Habitats
Products listed 6 7
Federal contracts 1 ($6.5M)
Launches
Leaders listed John Thornton, Dan Hendrickson, Steve Clarke Dan Jablonsky, Janet Kavandi, Troy Lahr
News mentions 2 0
SHARED SECTORS
FREQUENTLY ASKED

How do Astrobotic Technology and Sierra Space compare?

Both companies work in Satellite Manufacturing. Astrobotic Technology was founded in 2007 and Sierra Space in 2021.

Which is larger, Astrobotic Technology or Sierra Space?

Sierra Space reports the larger workforce, with 1,072 employees versus 275.

Which has more US federal contracts, Astrobotic Technology 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.