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 Spacebilt Develops reusable spacecraft through on-orbit assembly and reprovisioning, extending operations and cutting lifecycle costs by 80% Spacebilt logo
HEAD-TO-HEAD1 shared sector
Eta Space Spacebilt
Founded 2019 1998
Headquarters Rockledge, Florida London, Florida
Type private private
Status operating operating
Employees 10 7
Total funding $27.2M
Latest round Grant
Sectors Space Transportation & Logistics, Lunar Services, Space Propulsion In-Orbit Servicing & Assembly, In-Space Manufacturing, Space Transportation & Logistics
Products listed 6 3
Federal contracts
Launches
Leaders listed Dr. William Notardonato Dave Swan, Dennis Wingo, Steve Kwast
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Eta Space and Spacebilt compare?

Both companies work in Space Transportation & Logistics. Eta Space was founded in 2019 and Spacebilt in 1998.

Which is larger, Eta Space or Spacebilt?

Eta Space reports the larger workforce, with 10 employees versus 7.

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