SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Apex logo Apex Designs and mass-manufactures standardized satellite bus platforms for commercial and government constellation deployments across LEO, MEO, and GEO orbits 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
Apex Zeno Power
Founded 2022 2018
Headquarters Los Angeles, California Washington, District of Columbia
Type private private
Status operating operating
Employees 234 79
Total funding $522M $94.9M
Latest round Series D Series B
Sectors Satellite Manufacturing, Satellite Components & Subsystems Satellite Components & Subsystems, Lunar Services, Space Propulsion
Products listed 3 2
Federal contracts 1 ($22.0M)
Launches
Leaders listed Ian Cinnamon, Max Benassi, Adam Corey Tyler Bernstein, Jonathan Segal, Jacob Matthews
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Apex and Zeno Power compare?

Both companies work in Satellite Components & Subsystems. Apex was founded in 2022 and Zeno Power in 2018.

Which is larger, Apex or Zeno Power?

Apex reports the larger workforce, with 234 employees versus 79.

Which has more US federal contracts, Apex or Zeno Power?

Apex has been awarded more, with $22.0M across 1 awards.

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