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 Inversion Space Develops autonomous reentry capsules for on-demand cargo delivery from orbit to anywhere on Earth in under an hour Inversion Space logo
HEAD-TO-HEAD1 shared sector
Eta Space Inversion Space
Founded 2019 2021
Headquarters Rockledge, Florida Los Angeles, California
Type private private
Status operating operating
Employees 10 45
Total funding $27.2M $54.1M
Latest round Grant Series A
Sectors Space Transportation & Logistics, Lunar Services, Space Propulsion Space Transportation & Logistics, Space Defense Systems
Products listed 6 2
Federal contracts
Launches
Leaders listed Dr. William Notardonato Justin Fiaschetti, Austin Briggs
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Eta Space and Inversion Space compare?

Both companies work in Space Transportation & Logistics. Eta Space was founded in 2019 and Inversion Space in 2021.

Which is larger, Eta Space or Inversion Space?

Inversion Space reports the larger workforce, with 45 employees versus 10.

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