SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
AST SpaceMobile logo AST SpaceMobile Operates a space-based cellular broadband network delivering 4G and 5G connectivity directly to standard smartphones via LEO satellites vs Epsilon3 Provides AI-powered procedure execution and resource management software for complex engineering, manufacturing, testing, and operations Epsilon3 logo
HEAD-TO-HEAD1 shared sector
AST SpaceMobile Epsilon3
Founded 2017 2021
Headquarters Midland, Texas Los Angeles, California
Type public private
Status operating operating
Employees 613 29
Total funding $18.8M
Latest round Series A
Sectors Satellite Communications, Ground Segment & Networks, Satellite Manufacturing Space Software & Mission Tools, Satellite Manufacturing
Products listed 5 6
Federal contracts
Launches
Leaders listed Abel Avellan, Scott Wisniewski, Andrew Johnson Laura Crabtree, Max Mednik, Audrey Fraijo
News mentions 1 0
SHARED SECTORS
FREQUENTLY ASKED

How do AST SpaceMobile and Epsilon3 compare?

Both companies work in Satellite Manufacturing. AST SpaceMobile was founded in 2017 and Epsilon3 in 2021.

Which is larger, AST SpaceMobile or Epsilon3?

AST SpaceMobile reports the larger workforce, with 613 employees versus 29.

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