SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
ispace logo ispace Designs and operates lunar landers and rovers, providing payload delivery, surface exploration, and data services to build cislunar infrastructure vs Momentus Operates orbital service vehicles and manufactures satellite buses for in-space transportation, hosted payloads, and proximity operations Momentus logo
HEAD-TO-HEAD1 shared sector
ispace Momentus
Founded 2010 2017
Headquarters Tokyo, Japan San Jose, California
Type public public
Status operating operating
Employees 300 41
Total funding
Latest round
Sectors Lunar Services, Planetary Exploration, Space Transportation & Logistics Space Transportation & Logistics, In-Orbit Servicing & Assembly, Satellite Manufacturing
Products listed 5 3
Federal contracts
Launches
Leaders listed Takeshi Hakamada, Jumpei Nozaki, Elizabeth Kryst John C. Rood, Rob Schwarz, Lon Ensler
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do ispace and Momentus compare?

Both companies work in Space Transportation & Logistics. ispace was founded in 2010 and Momentus in 2017.

Which is larger, ispace or Momentus?

ispace reports the larger workforce, with 300 employees versus 41.

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