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 Xona Space Systems Operates a Low Earth Orbit satellite constellation providing high-precision positioning, navigation, and timing services Xona Space Systems logo
HEAD-TO-HEAD1 shared sector
Epsilon3 Xona Space Systems
Founded 2021 2019
Headquarters Los Angeles, California Burlingame, California
Type private private
Status operating operating
Employees 29 77
Total funding $18.8M $244.6M
Latest round Series A Series B
Sectors Space Software & Mission Tools, Satellite Manufacturing Navigation & Positioning, Satellite Manufacturing, Space Defense Systems
Products listed 6 1
Federal contracts
Launches
Leaders listed Laura Crabtree, Max Mednik, Audrey Fraijo Brian Manning, Tyler Reid, Jonathan Wakenshaw
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Epsilon3 and Xona Space Systems compare?

Both companies work in Satellite Manufacturing. Epsilon3 was founded in 2021 and Xona Space Systems in 2019.

Which is larger, Epsilon3 or Xona Space Systems?

Xona Space Systems reports the larger workforce, with 77 employees versus 29.

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