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 Umbra Designs, builds, and operates SAR satellite constellations delivering sub-meter Earth imagery and flight-proven spacecraft hardware Umbra logo
HEAD-TO-HEAD1 shared sector
Busek Umbra
Founded 1985 2015
Headquarters Massachusetts Arlington, Virginia
Type private private
Status operating operating
Employees 107 165
Total funding $200K $124.1M
Latest round Grant Grant
Sectors Space Propulsion, Satellite Components & Subsystems Earth Observation & Remote Sensing, Satellite Components & Subsystems, Satellite Manufacturing
Products listed 9 4
Federal contracts
Launches
Leaders listed Vlad Hruby, James Szabo, John Meikle David Langan, Gabe Dominocielo, Todd Master
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Busek and Umbra compare?

Both companies work in Satellite Components & Subsystems. Busek was founded in 1985 and Umbra in 2015.

Which is larger, Busek or Umbra?

Umbra reports the larger workforce, with 165 employees versus 107.

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