SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Sierra Space logo Sierra Space Designs and manufactures satellite platforms, reusable spaceplanes, expandable habitats, and propulsion systems for national security and civil space vs Terran Orbital End-to-end satellite manufacturer delivering modular spacecraft platforms, mission operations, and ground services for defense, civil, and commercial customers worldwide. Terran Orbital logo
HEAD-TO-HEAD1 shared sector
Sierra Space Terran Orbital
Founded 2021 2013
Headquarters Louisville, Colorado, USA Boca Raton, Florida
Type private subsidiary
Status operating operating
Employees 1,072 325
Total funding $2.2B
Latest round Series C
Sectors Satellite Manufacturing, Space Propulsion, Space Stations & Habitats Satellite Manufacturing, Satellite Components & Subsystems, Space Defense Systems
Products listed 7 13
Federal contracts 1 ($6.5M)
Launches
Leaders listed Dan Jablonsky, Janet Kavandi, Troy Lahr Peter Krauss, Cheryl Paquete, Michael Young
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Sierra Space and Terran Orbital compare?

Both companies work in Satellite Manufacturing. Sierra Space was founded in 2021 and Terran Orbital in 2013.

Which is larger, Sierra Space or Terran Orbital?

Sierra Space reports the larger workforce, with 1,072 employees versus 325.

Which has more US federal contracts, Sierra Space or Terran Orbital?

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.