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 Impulse Space Designs and operates orbital transfer vehicles that move payloads between orbits using high-thrust chemical propulsion, delivering to GEO in under a day. Impulse Space logo
HEAD-TO-HEAD1 shared sector
Epsilon3 Impulse Space
Founded 2021 2021
Headquarters Los Angeles, California, USA Redondo Beach, California, USA
Type private private
Status operating operating
Employees 29 292
Total funding $18.8M $895M
Latest round Series A Series C
Sectors Space Software & Mission Tools, Satellite Manufacturing Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion
Products listed 6 5
Federal contracts
Launches
Leaders listed Laura Crabtree, Max Mednik, Audrey Fraijo Tom Mueller, Eric Romo, Kevin Miller
News mentions 0 3
SHARED SECTORS
FREQUENTLY ASKED

How do Epsilon3 and Impulse Space compare?

Both companies work in Satellite Manufacturing. Epsilon3 was founded in 2021 and Impulse Space in 2021.

Which is larger, Epsilon3 or Impulse Space?

Impulse Space reports the larger workforce, with 292 employees versus 29.

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