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 K2 Space Designs and manufactures large-scale, high-power satellite platforms with in-house electric propulsion and avionics for multi-orbit missions K2 Space logo
HEAD-TO-HEAD1 shared sector
Eta Space K2 Space
Founded 2019 2022
Headquarters Rockledge, Florida Torrance, California
Type private private
Status operating operating
Employees 10 159
Total funding $27.2M $429M
Latest round Grant Series C
Sectors Space Transportation & Logistics, Lunar Services, Space Propulsion Satellite Manufacturing, Satellite Components & Subsystems, Space Propulsion
Products listed 6 3
Federal contracts
Launches
Leaders listed Dr. William Notardonato Karan Kunjur, Neel Kunjur, John Plumb
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Eta Space and K2 Space compare?

Both companies work in Space Propulsion. Eta Space was founded in 2019 and K2 Space in 2022.

Which is larger, Eta Space or K2 Space?

K2 Space reports the larger workforce, with 159 employees versus 10.

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