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 Perigee Aerospace Develops small-lift methane-fueled launch vehicles and manufactures liquid propulsion systems, composite tanks, and satellite thrusters Perigee Aerospace logo
HEAD-TO-HEAD2 shared sectors
Busek Perigee Aerospace
Founded 1985 2018
Headquarters 11 Tech Circle, Natick, MA 01760 Daejeon, South Korea
Type private private
Status operating operating
Employees 107 16
Total funding $200K $56.6M
Latest round Grant Series D
Sectors Space Propulsion, Satellite Components & Subsystems Launch Services, Satellite Components & Subsystems, Space Propulsion
Products listed 9 6
Federal contracts
Launches
Leaders listed Vlad Hruby, James Szabo, John Meikle Yoon Shin, Seonghyeon Seo, Alan Kim
News mentions 0 15
SHARED SECTORS
FREQUENTLY ASKED

How do Busek and Perigee Aerospace compare?

Both companies work in Space Propulsion, Satellite Components & Subsystems. Busek was founded in 1985 and Perigee Aerospace in 2018.

Which is larger, Busek or Perigee Aerospace?

Busek reports the larger workforce, with 107 employees versus 16.

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