SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Antaris logo Antaris Provides a cloud-based software platform for satellite mission design, digital twin simulation, flight software, and constellation operations vs Space Forge Manufactures advanced semiconductor materials and alloys in microgravity using reusable, returnable satellite platforms for return to Earth Space Forge logo
HEAD-TO-HEAD1 shared sector
Antaris Space Forge
Founded 2021 2018
Headquarters Los Altos, California Florida, United Kingdom
Type private private
Status operating operating
Employees 21 64
Total funding $7.7M $51.2M
Latest round Seed Series A
Sectors Space Software & Mission Tools, Satellite Manufacturing In-Space Manufacturing, Satellite Components & Subsystems, Satellite Manufacturing
Products listed 4 4
Federal contracts
Launches
Leaders listed Tom Barton, Karthik Govindhasamy, John Trionfo Joshua Western, Andrew Bacon, Michelle Flemming
News mentions 0 43
SHARED SECTORS
FREQUENTLY ASKED

How do Antaris and Space Forge compare?

Both companies work in Satellite Manufacturing. Antaris was founded in 2021 and Space Forge in 2018.

Which is larger, Antaris or Space Forge?

Space Forge reports the larger workforce, with 64 employees versus 21.

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