SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
BULL Co., Ltd. logo BULL Co., Ltd. Develops post-mission disposal devices using drag sail technology to prevent spacecraft and launch vehicle stages from becoming space debris 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
BULL Co., Ltd. Zeno Power
Founded 2022 2018
Headquarters Utsunomiya, Japan Washington, District of Columbia
Type private private
Status operating operating
Employees 40 79
Total funding $94.9M
Latest round Series B
Sectors Space Sustainability & Debris Removal, Satellite Components & Subsystems Satellite Components & Subsystems, Lunar Services, Space Propulsion
Products listed 5 2
Federal contracts
Launches
Leaders listed Yasuhito Uto, Genryo Kanno, Eric Luvisutto Tyler Bernstein, Jonathan Segal, Jacob Matthews
News mentions 19 0
SHARED SECTORS
FREQUENTLY ASKED

How do BULL Co., Ltd. and Zeno Power compare?

Both companies work in Satellite Components & Subsystems. BULL Co., Ltd. was founded in 2022 and Zeno Power in 2018.

Which is larger, BULL Co., Ltd. or Zeno Power?

Zeno Power reports the larger workforce, with 79 employees versus 40.

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