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 K2 Space Designs and manufactures large-scale, high-power satellite platforms with in-house electric propulsion and avionics for multi-orbit missions. K2 Space logo
HEAD-TO-HEAD1 shared sector
Epsilon3 K2 Space
Founded 2021 2022
Headquarters Los Angeles, California, USA Torrance, California, USA
Type private private
Status operating operating
Employees 29 159
Total funding $18.8M $429M
Latest round Series A Series C
Sectors Space Software & Mission Tools, Satellite Manufacturing Satellite Manufacturing, Satellite Components & Subsystems, Space Propulsion
Products listed 6 3
Federal contracts
Launches
Leaders listed Laura Crabtree, Max Mednik, Audrey Fraijo Karan Kunjur, Neel Kunjur, John Plumb
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Epsilon3 and K2 Space compare?

Both companies work in Satellite Manufacturing. Epsilon3 was founded in 2021 and K2 Space in 2022.

Which is larger, Epsilon3 or K2 Space?

K2 Space reports the larger workforce, with 159 employees versus 29.

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