SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Sierra Space logo Sierra Space Designs and manufactures satellite platforms, reusable spaceplanes, expandable habitats, and propulsion systems for national security and civil space vs Space Pioneer Develops reusable kerosene-liquid oxygen launch vehicles and rocket engines for commercial and government satellite deployment missions Space Pioneer logo
HEAD-TO-HEAD1 shared sector
Sierra Space Space Pioneer
Founded 2021 2019
Headquarters Louisville, Colorado Beijing, China
Type private private
Status operating operating
Employees 1,072 120
Total funding $2.2B $351M
Latest round Series C Series C
Sectors Satellite Manufacturing, Space Propulsion, Space Stations & Habitats Launch Services, Space Propulsion
Products listed 7 6
Federal contracts 1 ($6.5M)
Launches 2 (50%)
Leaders listed Dan Jablonsky, Janet Kavandi, Troy Lahr Kang Yonglai
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Sierra Space and Space Pioneer compare?

Both companies work in Space Propulsion. Sierra Space was founded in 2021 and Space Pioneer in 2019.

Which is larger, Sierra Space or Space Pioneer?

Sierra Space reports the larger workforce, with 1,072 employees versus 120.

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

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

Which has more launches, Sierra Space or Space Pioneer?

Space Pioneer leads with 2 tracked launches (50% success rate).

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