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 Gravitics Designs and manufactures modular space station modules, orbital carriers, and cargo logistics spacecraft for commercial and national security missions Gravitics logo
HEAD-TO-HEAD1 shared sector
Eta Space Gravitics
Founded 2019 2021
Headquarters Rockledge, Florida Seattle, Washington
Type private private
Status operating operating
Employees 10 35
Total funding $27.2M $20M
Latest round Grant Seed
Sectors Space Transportation & Logistics, Lunar Services, Space Propulsion Space Stations & Habitats, Space Defense Systems, Space Transportation & Logistics
Products listed 6 4
Federal contracts
Launches
Leaders listed Dr. William Notardonato Colin Doughan, Sundeep Kumar, Scott Macklin
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Eta Space and Gravitics compare?

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

Which is larger, Eta Space or Gravitics?

Gravitics reports the larger workforce, with 35 employees versus 10.

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