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 Ursa Major Technologies Designs and manufactures liquid rocket engines, solid rocket motors, and hypersonic propulsion systems for commercial launch and U.S. defense applications. Ursa Major Technologies logo
HEAD-TO-HEAD2 shared sectors
Busek Ursa Major Technologies
Founded 1985 2015
Headquarters 11 Tech Circle, Natick, MA 01760 19750 Co Rd 7, Berthoud, Co 80513
Type private private
Status operating operating
Employees 107 291
Total funding $200K $549.4M
Latest round Grant Debt Financing
Sectors Space Propulsion, Satellite Components & Subsystems Space Propulsion, Satellite Components & Subsystems, Space Defense Systems
Products listed 9 6
Federal contracts
Launches
Leaders listed Vlad Hruby, James Szabo, John Meikle Chris Spagnoletti, Bill Nash, Justin Siebert
News mentions 0 18
SHARED SECTORS
FREQUENTLY ASKED

How do Busek and Ursa Major Technologies compare?

Both companies work in Space Propulsion, Satellite Components & Subsystems. Busek was founded in 1985 and Ursa Major Technologies in 2015.

Which is larger, Busek or Ursa Major Technologies?

Ursa Major Technologies reports the larger workforce, with 291 employees versus 107.

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