SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Inversion Space logo Inversion Space Develops autonomous reentry capsules for on-demand cargo delivery from orbit to anywhere on Earth in under an hour. 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
Inversion Space Momentus
Founded 2021 2017
Headquarters Los Angeles, California, USA San Jose, California, USA
Type private public
Status operating operating
Employees 45 41
Total funding $54.1M
Latest round Series A
Sectors Space Transportation & Logistics, Space Defense Systems Space Transportation & Logistics, In-Orbit Servicing & Assembly, Satellite Manufacturing
Products listed 2 3
Federal contracts
Launches
Leaders listed Justin Fiaschetti, Austin Briggs John C. Rood, Rob Schwarz, Lon Ensler
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Inversion Space and Momentus compare?

Both companies work in Space Transportation & Logistics. Inversion Space was founded in 2021 and Momentus in 2017.

Which is larger, Inversion Space or Momentus?

Inversion Space reports the larger workforce, with 45 employees versus 41.

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