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 Rocket Lab USA Rocket Lab USA logo
HEAD-TO-HEAD1 shared sector
Antaris Rocket Lab USA
Founded 2021 2006
Headquarters Los Altos, California Long Beach, California
Type private public
Status operating operating
Employees 21 1,627
Total funding $7.7M
Latest round Seed
Sectors Space Software & Mission Tools, Satellite Manufacturing Launch Services, Satellite Components & Subsystems, Satellite Manufacturing
Products listed 4 16
Federal contracts 1 ($7.0M)
Launches 130 (65%)
Leaders listed Tom Barton, Karthik Govindhasamy, John Trionfo Sir Peter Beck, Adam Spice, Frank Klein
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Antaris and Rocket Lab USA compare?

Both companies work in Satellite Manufacturing. Antaris was founded in 2021 and Rocket Lab USA in 2006.

Which is larger, Antaris or Rocket Lab USA?

Rocket Lab USA reports the larger workforce, with 1,627 employees versus 21.

Which has more US federal contracts, Antaris or Rocket Lab USA?

Rocket Lab USA has been awarded more, with $7.0M across 1 awards.

Which has more launches, Antaris or Rocket Lab USA?

Rocket Lab USA leads with 130 tracked launches (65% success rate).

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