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 Spacety Small satellite manufacturer operating a dual-band SAR constellation for all-weather Earth observation and providing satellites-as-a-service for rapid in-orbit technology demonstrations Spacety logo
HEAD-TO-HEAD1 shared sector
Epsilon3 Spacety
Founded 2021 2016
Headquarters Los Angeles, California, USA Changsha, China
Type private private
Status operating operating
Employees 29 200
Total funding $18.8M 250000000
Latest round Series A Private Equity
Sectors Space Software & Mission Tools, Satellite Manufacturing Earth Observation & Remote Sensing, Satellite Manufacturing, Satellite Components & Subsystems
Products listed 6 4
Federal contracts
Launches
Leaders listed Laura Crabtree, Max Mednik, Audrey Fraijo Justin Yang Feng, Ren Weijia
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Epsilon3 and Spacety compare?

Both companies work in Satellite Manufacturing. Epsilon3 was founded in 2021 and Spacety in 2016.

Which is larger, Epsilon3 or Spacety?

Spacety reports the larger workforce, with 200 employees versus 29.

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