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 i-Space Develops solid and liquid-fueled launch vehicles including the Hyperbola series, with China's first privately-built orbital rocket and a reusable methane rocket in development i-Space logo
HEAD-TO-HEAD1 shared sector
Busek i-Space
Founded 1985 2016
Headquarters Massachusetts China
Type private private
Status operating operating
Employees 107
Total funding $200K $473.7M
Latest round Grant Series D++
Sectors Space Propulsion, Satellite Components & Subsystems Launch Services, Space Propulsion
Products listed 9 3
Federal contracts
Launches 9 (44%)
Leaders listed Vlad Hruby, James Szabo, John Meikle Peng Xiaobo
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Busek and i-Space compare?

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

Which has more launches, Busek or i-Space?

i-Space leads with 9 tracked launches (44% success rate).

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