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 TransAstra Develops orbital logistics vehicles, asteroid capture systems, and space domain awareness telescopes for cislunar resource utilization TransAstra logo
HEAD-TO-HEAD1 shared sector
Eta Space TransAstra
Founded 2019 2017
Headquarters Rockledge, Florida Los Angeles, California
Type private private
Status operating operating
Employees 10 29
Total funding $27.2M $12M
Latest round Grant Seed
Sectors Space Transportation & Logistics, Lunar Services, Space Propulsion Space Resources & Mining, Space Domain Awareness, Space Transportation & Logistics
Products listed 6 7
Federal contracts
Launches
Leaders listed Dr. William Notardonato Joel Sercel, PhD., Nicole Shumaker, Alex Pilmer
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Eta Space and TransAstra compare?

Both companies work in Space Transportation & Logistics. Eta Space was founded in 2019 and TransAstra in 2017.

Which is larger, Eta Space or TransAstra?

TransAstra reports the larger workforce, with 29 employees versus 10.

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