SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Firefly Aerospace logo Firefly Aerospace Designs and operates small- and medium-lift launch vehicles, lunar landers, and in-space maneuvering vehicles for defense, civil, and commercial space missions. 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
Firefly Aerospace Zeno Power
Founded 2014 2018
Headquarters 2203 Scottsdale Dr. Leander, TX 78641 Washington, District of Columbia, USA
Type public private
Status operating operating
Employees 800 79
Total funding 94870000
Latest round Series B
Sectors Launch Services, Lunar Services, Space Transportation & Logistics Satellite Components & Subsystems, Lunar Services, Space Propulsion
Products listed 6 2
Federal contracts
Launches 11 (36%)
Leaders listed Jason Kim, Darren Ma, Shea Ferring Tyler Bernstein, Jonathan Segal, Jacob Matthews
News mentions 22 0
SHARED SECTORS
FREQUENTLY ASKED

How do Firefly Aerospace and Zeno Power compare?

Both companies work in Lunar Services. Firefly Aerospace was founded in 2014 and Zeno Power in 2018.

Which is larger, Firefly Aerospace or Zeno Power?

Firefly Aerospace reports the larger workforce, with 800 employees versus 79.

Which has more launches, Firefly Aerospace or Zeno Power?

Firefly Aerospace leads with 11 tracked launches (36% success rate).

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