SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Busek logo Busek Designs and manufactures electric propulsion systems for spacecraft, including Hall effect, electrospray, RF ion, and green monopropellant thrusters 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
Busek Impulse Space
Founded 1985 2021
Headquarters Massachusetts Redondo Beach, California
Type private private
Status operating operating
Employees 107 292
Total funding $200K $895M
Latest round Grant Series C
Sectors Space Propulsion, Satellite Components & Subsystems Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion
Products listed 9 5
Federal contracts
Launches
Leaders listed Vlad Hruby, James Szabo, John Meikle Tom Mueller, Eric Romo, Kevin Miller
News mentions 0 3
SHARED SECTORS
FREQUENTLY ASKED

How do Busek and Impulse Space compare?

Both companies work in Space Propulsion. Busek was founded in 1985 and Impulse Space in 2021.

Which is larger, Busek or Impulse Space?

Impulse Space reports the larger workforce, with 292 employees versus 107.

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