SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Momentus logo Momentus Operates orbital service vehicles and manufactures satellite buses for in-space transportation, hosted payloads, and proximity operations vs Space Machines Company Builds rapid-response orbital servicing vehicles for close-proximity inspection, monitoring, and protection of space assets across all Earth orbits Space Machines Company logo
HEAD-TO-HEAD2 shared sectors
Momentus Space Machines Company
Founded 2017 2019
Headquarters San Jose, California Botany, Australia
Type public private
Status operating operating
Employees 41 38
Total funding $5.5M
Latest round Grant
Sectors Space Transportation & Logistics, In-Orbit Servicing & Assembly, Satellite Manufacturing In-Orbit Servicing & Assembly, Satellite Manufacturing, Space Domain Awareness
Products listed 3 4
Federal contracts
Launches
Leaders listed John C. Rood, Rob Schwarz, Lon Ensler Rajat Kulshrestha, George Freney, Mark Ramsey
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Momentus and Space Machines Company compare?

Both companies work in In-Orbit Servicing & Assembly, Satellite Manufacturing. Momentus was founded in 2017 and Space Machines Company in 2019.

Which is larger, Momentus or Space Machines Company?

Momentus reports the larger workforce, with 41 employees versus 38.

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