SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
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 Perigee Aerospace Develops small-lift methane-fueled launch vehicles and manufactures liquid propulsion systems, composite tanks, and satellite thrusters Perigee Aerospace logo
HEAD-TO-HEAD1 shared sector
Eta Space Perigee Aerospace
Founded 2019 2018
Headquarters Rockledge, Florida, USA Daejeon, South Korea
Type private private
Status operating operating
Employees 10 16
Total funding $27.2M $56.6M
Latest round Grant Series D
Sectors Space Transportation & Logistics, Lunar Services, Space Propulsion Launch Services, Satellite Components & Subsystems, Space Propulsion
Products listed 6 6
Federal contracts
Launches
Leaders listed Dr. William Notardonato Yoon Shin, Seonghyeon Seo, Alan Kim
News mentions 0 15
SHARED SECTORS
FREQUENTLY ASKED

How do Eta Space and Perigee Aerospace compare?

Both companies work in Space Propulsion. Eta Space was founded in 2019 and Perigee Aerospace in 2018.

Which is larger, Eta Space or Perigee Aerospace?

Perigee Aerospace reports the larger workforce, with 16 employees versus 10.

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