SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Eta Space logo Eta Space Develops cryogenic propellant management systems for in-space storage, transfer, and refueling, and liquid hydrogen infrastructure for terrestrial energy applications 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
Eta Space i-Space
Founded 2019 2016
Headquarters Rockledge, Florida China
Type private private
Status operating operating
Employees 10 —
Total funding $27.2M $473.7M
Latest round Grant Series D++
Sectors Space Transportation & Logistics, Lunar Services, Space Propulsion Launch Services, Space Propulsion
Products listed 6 3
Federal contracts — —
Launches — 9 (44%)
Leaders listed Dr. William Notardonato Peng Xiaobo
News mentions 0 0
SHARED SECTORS
Space Propulsion
FREQUENTLY ASKED

How do Eta Space and i-Space compare?

Both companies work in Space Propulsion. Eta Space was founded in 2019 and i-Space in 2016.

Which has more launches, Eta Space 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.