SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Exotrail logo Exotrail Designs electric propulsion systems for small satellites and operates orbital transfer vehicles for last-mile delivery and in-orbit services. vs Zeno Power Develops radioisotope power systems that convert heat from decaying isotopes into years of reliable electricity for lunar surface and seabed missions. Zeno Power logo
HEAD-TO-HEAD1 shared sector
Exotrail Zeno Power
Founded 2017 2018
Headquarters Massy, France Washington, District of Columbia, USA
Type private private
Status operating operating
Employees 141 79
Total funding $74.6M 94870000
Latest round Series B Series B
Sectors Space Propulsion, Space Software & Mission Tools, Space Transportation & Logistics Satellite Components & Subsystems, Lunar Services, Space Propulsion
Products listed 9 2
Federal contracts — —
Launches — —
Leaders listed Jean-Luc Maria, Paul Lascombes, David Henri Tyler Bernstein, Jonathan Segal, Jacob Matthews
News mentions 0 0
SHARED SECTORS
Space Propulsion
FREQUENTLY ASKED

How do Exotrail and Zeno Power compare?

Both companies work in Space Propulsion. Exotrail was founded in 2017 and Zeno Power in 2018.

Which is larger, Exotrail or Zeno Power?

Exotrail reports the larger workforce, with 141 employees versus 79.

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