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 CAS Space Develops solid and liquid-propellant launch vehicles for dedicated and rideshare satellite missions, suborbital scientific experimentation, and space tourism CAS Space logo
HEAD-TO-HEAD1 shared sector
Busek CAS Space
Founded 1985 2018
Headquarters Massachusetts China
Type private private
Status operating operating
Employees 107 800
Total funding $200K $126.1M
Latest round Grant Series C-II
Sectors Space Propulsion, Satellite Components & Subsystems Launch Services, Space Propulsion, Suborbital & High-Altitude
Products listed 9 6
Federal contracts
Launches 14 (93%)
Leaders listed Vlad Hruby, James Szabo, John Meikle Yang Yiqiang, Liu Weipeng
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Busek and CAS Space compare?

Both companies work in Space Propulsion. Busek was founded in 1985 and CAS Space in 2018.

Which is larger, Busek or CAS Space?

CAS Space reports the larger workforce, with 800 employees versus 107.

Which has more launches, Busek or CAS Space?

CAS Space leads with 14 tracked launches (93% success rate).

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