SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
CAS Space logo CAS Space Develops solid and liquid-propellant launch vehicles for dedicated and rideshare satellite missions, suborbital scientific experimentation, and space tourism vs Relativity Space Manufactures reusable medium-to-heavy-lift launch vehicles using large-scale metal 3D printing and autonomous robotics Relativity Space logo
HEAD-TO-HEAD2 shared sectors
CAS Space Relativity Space
Founded 2018 2015
Headquarters China Long Beach, California
Type private private
Status operating operating
Employees 800 1,285
Total funding $126.1M $1.4B
Latest round Series C-II Series F
Sectors Launch Services, Space Propulsion, Suborbital & High-Altitude Launch Services, Space Propulsion
Products listed 6 4
Federal contracts
Launches 14 (93%) 3 (0%)
Leaders listed Yang Yiqiang, Liu Weipeng Eric Schmidt, Maria Seferian, Kevin Wu
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do CAS Space and Relativity Space compare?

Both companies work in Launch Services, Space Propulsion. CAS Space was founded in 2018 and Relativity Space in 2015.

Which is larger, CAS Space or Relativity Space?

Relativity Space reports the larger workforce, with 1,285 employees versus 800.

Which has more launches, CAS Space or Relativity Space?

CAS Space leads with 14 tracked launches (93% success rate).

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