SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
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 Sierra Space Designs and manufactures satellite platforms, reusable spaceplanes, expandable habitats, and propulsion systems for national security and civil space Sierra Space logo
HEAD-TO-HEAD1 shared sector
CAS Space Sierra Space
Founded 2018 2021
Headquarters 广州市黄埔区映日路117号701房 Louisville, Colorado, USA
Type private private
Status operating operating
Employees 800 1,072
Total funding $126.1M $2.2B
Latest round Series C-II Series C
Sectors Launch Services, Space Propulsion, Suborbital & High-Altitude Satellite Manufacturing, Space Propulsion, Space Stations & Habitats
Products listed 6 7
Federal contracts 1 ($6.5M)
Launches 14 (93%)
Leaders listed Yang Yiqiang, Liu Weipeng Dan Jablonsky, Janet Kavandi, Troy Lahr
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do CAS Space and Sierra Space compare?

Both companies work in Space Propulsion. CAS Space was founded in 2018 and Sierra Space in 2021.

Which is larger, CAS Space or Sierra Space?

Sierra Space reports the larger workforce, with 1,072 employees versus 800.

Which has more US federal contracts, CAS Space or Sierra Space?

Sierra Space has been awarded more, with $6.5M across 1 awards.

Which has more launches, CAS Space or Sierra 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.