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 Firefly Aerospace Designs and operates small- and medium-lift launch vehicles, lunar landers, and in-space maneuvering vehicles for defense, civil, and commercial space missions Firefly Aerospace logo
HEAD-TO-HEAD2 shared sectors
Eta Space Firefly Aerospace
Founded 2019 2014
Headquarters Rockledge, Florida Texas
Type private public
Status operating operating
Employees 10 800
Total funding $27.2M
Latest round Grant
Sectors Space Transportation & Logistics, Lunar Services, Space Propulsion Launch Services, Lunar Services, Space Transportation & Logistics
Products listed 6 6
Federal contracts
Launches 11 (36%)
Leaders listed Dr. William Notardonato Jason Kim, Darren Ma, Shea Ferring
News mentions 0 22
SHARED SECTORS
FREQUENTLY ASKED

How do Eta Space and Firefly Aerospace compare?

Both companies work in Space Transportation & Logistics, Lunar Services. Eta Space was founded in 2019 and Firefly Aerospace in 2014.

Which is larger, Eta Space or Firefly Aerospace?

Firefly Aerospace reports the larger workforce, with 800 employees versus 10.

Which has more launches, Eta Space or Firefly Aerospace?

Firefly Aerospace leads with 11 tracked launches (36% success rate).

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