SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Epsilon3 logo Epsilon3 Provides AI-powered procedure execution and resource management software for complex engineering, manufacturing, testing, and operations 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
Epsilon3 Terran Orbital
Founded 2021 2013
Headquarters Los Angeles, California Boca Raton, Florida
Type private subsidiary
Status operating operating
Employees 29 325
Total funding $18.8M
Latest round Series A
Sectors Space Software & Mission Tools, Satellite Manufacturing Satellite Manufacturing, Satellite Components & Subsystems, Space Defense Systems
Products listed 6 13
Federal contracts
Launches
Leaders listed Laura Crabtree, Max Mednik, Audrey Fraijo Peter Krauss, Cheryl Paquete, Michael Young
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Epsilon3 and Terran Orbital compare?

Both companies work in Satellite Manufacturing. Epsilon3 was founded in 2021 and Terran Orbital in 2013.

Which is larger, Epsilon3 or Terran Orbital?

Terran Orbital reports the larger workforce, with 325 employees versus 29.

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