SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Busek logo Busek Designs and manufactures electric propulsion systems for spacecraft, including Hall effect, electrospray, RF ion, and green monopropellant thrusters vs Exotrail Designs electric propulsion systems for small satellites and operates orbital transfer vehicles for last-mile delivery and in-orbit services. Exotrail logo
HEAD-TO-HEAD1 shared sector
Busek Exotrail
Founded 1985 2017
Headquarters 11 Tech Circle, Natick, MA 01760 Massy, France
Type private private
Status operating operating
Employees 107 141
Total funding $200K $74.6M
Latest round Grant Series B
Sectors Space Propulsion, Satellite Components & Subsystems Space Propulsion, Space Software & Mission Tools, Space Transportation & Logistics
Products listed 9 9
Federal contracts
Launches
Leaders listed Vlad Hruby, James Szabo, John Meikle Jean-Luc Maria, Paul Lascombes, David Henri
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Busek and Exotrail compare?

Both companies work in Space Propulsion. Busek was founded in 1985 and Exotrail in 2017.

Which is larger, Busek or Exotrail?

Exotrail reports the larger workforce, with 141 employees versus 107.

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