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 ExPace Operates the Kuaizhou family of solid-fueled small-lift launch vehicles for commercial and government satellite delivery to low Earth orbit ExPace logo
HEAD-TO-HEAD1 shared sector
Busek ExPace
Founded 1985 2016
Headquarters 11 Tech Circle, Natick, MA 01760 Wuhan, Hubei, China
Type private government
Status operating operating
Employees 107
Total funding $200K $417M
Latest round Grant Series B
Sectors Space Propulsion, Satellite Components & Subsystems Launch Services, Space Propulsion
Products listed 9 2
Federal contracts
Launches 33 (88%)
Leaders listed Vlad Hruby, James Szabo, John Meikle Zhang Di, Zha Xiongquan
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Busek and ExPace compare?

Both companies work in Space Propulsion. Busek was founded in 1985 and ExPace in 2016.

Which has more launches, Busek or ExPace?

ExPace leads with 33 tracked launches (88% success rate).

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