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 York Space Systems Designs, mass-manufactures, and operates standardized spacecraft platforms and end-to-end mission solutions for national security and commercial constellation customers. York Space Systems logo
HEAD-TO-HEAD1 shared sector
Epsilon3 York Space Systems
Founded 2021 2014
Headquarters Los Angeles, California, USA Greenwood Village, Colorado, USA
Type private public
Status operating operating
Employees 29 367
Total funding $18.8M
Latest round Series A
Sectors Space Software & Mission Tools, Satellite Manufacturing Satellite Manufacturing, Ground Segment & Networks, Space Defense Systems
Products listed 6 5
Federal contracts
Launches
Leaders listed Laura Crabtree, Max Mednik, Audrey Fraijo Dirk Wallinger, Mike Lajczok, Melanie Preisser
News mentions 0 13
SHARED SECTORS
FREQUENTLY ASKED

How do Epsilon3 and York Space Systems compare?

Both companies work in Satellite Manufacturing. Epsilon3 was founded in 2021 and York Space Systems in 2014.

Which is larger, Epsilon3 or York Space Systems?

York Space Systems reports the larger workforce, with 367 employees versus 29.

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