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 Interstellar Lab Develops AI-powered biospheric systems and autonomous greenhouse pods for plant cultivation on Earth and food production in space Interstellar Lab logo
HEAD-TO-HEAD1 shared sector
Eta Space Interstellar Lab
Founded 2019 2018
Headquarters Rockledge, Florida Paris, France
Type private private
Status operating operating
Employees 10 42
Total funding $27.2M $12M
Latest round Grant Convertible Note
Sectors Space Transportation & Logistics, Lunar Services, Space Propulsion Crew Systems & Life Support, In-Space Manufacturing, Lunar Services
Products listed 6 5
Federal contracts
Launches
Leaders listed Dr. William Notardonato Barbara Belvisi, Jim Rhone
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Eta Space and Interstellar Lab compare?

Both companies work in Lunar Services. Eta Space was founded in 2019 and Interstellar Lab in 2018.

Which is larger, Eta Space or Interstellar Lab?

Interstellar Lab reports the larger workforce, with 42 employees versus 10.

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