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 Impulse Space Designs and operates orbital transfer vehicles that move payloads between orbits using high-thrust chemical propulsion, delivering to GEO in under a day. Impulse Space logo
HEAD-TO-HEAD1 shared sector
Antaris Impulse Space
Founded 2021 2021
Headquarters Los Altos, California, USA Redondo Beach, California, USA
Type private private
Status operating operating
Employees 21 292
Total funding $7.7M $895M
Latest round Seed Series C
Sectors Space Software & Mission Tools, Satellite Manufacturing Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion
Products listed 4 5
Federal contracts
Launches
Leaders listed Tom Barton, Karthik Govindhasamy, John Trionfo Tom Mueller, Eric Romo, Kevin Miller
News mentions 0 3
SHARED SECTORS
FREQUENTLY ASKED

How do Antaris and Impulse Space compare?

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

Which is larger, Antaris or Impulse Space?

Impulse Space reports the larger workforce, with 292 employees versus 21.

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