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 Forge Manufactures advanced semiconductor materials and alloys in microgravity using reusable, returnable satellite platforms for return to Earth Space Forge logo
HEAD-TO-HEAD1 shared sector
Momentus Space Forge
Founded 2017 2018
Headquarters San Jose, California Florida, United Kingdom
Type public private
Status operating operating
Employees 41 64
Total funding $51.2M
Latest round Series A
Sectors Space Transportation & Logistics, In-Orbit Servicing & Assembly, Satellite Manufacturing In-Space Manufacturing, Satellite Components & Subsystems, Satellite Manufacturing
Products listed 3 4
Federal contracts
Launches
Leaders listed John C. Rood, Rob Schwarz, Lon Ensler Joshua Western, Andrew Bacon, Michelle Flemming
News mentions 0 43
SHARED SECTORS
FREQUENTLY ASKED

How do Momentus and Space Forge compare?

Both companies work in Satellite Manufacturing. Momentus was founded in 2017 and Space Forge in 2018.

Which is larger, Momentus or Space Forge?

Space Forge reports the larger workforce, with 64 employees versus 41.

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