SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Epsilon3 logo Epsilon3 Provides AI-powered procedure execution and resource management software for complex engineering, manufacturing, testing, and operations. vs Rocket Lab USA Rocket Lab USA logo
HEAD-TO-HEAD1 shared sector
Epsilon3 Rocket Lab USA
Founded 2021 2006
Headquarters Los Angeles, California, USA Long Beach, California, USA
Type private public
Status operating operating
Employees 29 1,627
Total funding $18.8M
Latest round Series A
Sectors Space Software & Mission Tools, Satellite Manufacturing Launch Services, Satellite Components & Subsystems, Satellite Manufacturing
Products listed 6 16
Federal contracts 1 ($7.0M)
Launches 130 (65%)
Leaders listed Laura Crabtree, Max Mednik, Audrey Fraijo Sir Peter Beck, Adam Spice, Frank Klein
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Epsilon3 and Rocket Lab USA compare?

Both companies work in Satellite Manufacturing. Epsilon3 was founded in 2021 and Rocket Lab USA in 2006.

Which is larger, Epsilon3 or Rocket Lab USA?

Rocket Lab USA reports the larger workforce, with 1,627 employees versus 29.

Which has more US federal contracts, Epsilon3 or Rocket Lab USA?

Rocket Lab USA has been awarded more, with $7.0M across 1 awards.

Which has more launches, Epsilon3 or Rocket Lab USA?

Rocket Lab USA leads with 130 tracked launches (65% success rate).

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