SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Astra Space logo Astra Space Develops small-lift launch vehicles with mobile launch infrastructure and manufactures Hall-effect electric propulsion systems for satellite constellations vs Busek Designs and manufactures electric propulsion systems for spacecraft, including Hall effect, electrospray, RF ion, and green monopropellant thrusters Busek logo
HEAD-TO-HEAD1 shared sector
Astra Space Busek
Founded 2016 1985
Headquarters Alameda, California Massachusetts
Type private private
Status operating operating
Employees 113 107
Total funding $407M $200K
Latest round Grant
Sectors Launch Services, Space Propulsion Space Propulsion, Satellite Components & Subsystems
Products listed 3 9
Federal contracts
Launches 8 (25%)
Leaders listed Chris Kemp, Adam London, Martin Attiq Vlad Hruby, James Szabo, John Meikle
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Astra Space and Busek compare?

Both companies work in Space Propulsion. Astra Space was founded in 2016 and Busek in 1985.

Which is larger, Astra Space or Busek?

Astra Space reports the larger workforce, with 113 employees versus 107.

Which has more launches, Astra Space or Busek?

Astra Space leads with 8 tracked launches (25% success rate).

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