SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Antaris logo Antaris Provides a cloud-based software platform for satellite mission design, digital twin simulation, flight software, and constellation 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
Antaris York Space Systems
Founded 2021 2014
Headquarters Los Altos, California, USA Greenwood Village, Colorado, USA
Type private public
Status operating operating
Employees 21 367
Total funding $7.7M
Latest round Seed
Sectors Space Software & Mission Tools, Satellite Manufacturing Satellite Manufacturing, Ground Segment & Networks, Space Defense Systems
Products listed 4 5
Federal contracts
Launches
Leaders listed Tom Barton, Karthik Govindhasamy, John Trionfo Dirk Wallinger, Mike Lajczok, Melanie Preisser
News mentions 0 13
SHARED SECTORS
FREQUENTLY ASKED

How do Antaris and York Space Systems compare?

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

Which is larger, Antaris or York Space Systems?

York Space Systems reports the larger workforce, with 367 employees versus 21.

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