SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Avio logo Avio Manufactures solid and liquid propulsion systems for European space launchers and produces the Vega family of small-lift launch vehicles. 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
Avio Sierra Space
Founded 1912 2021
Headquarters Colleferro, Italy Louisville, Colorado, USA
Type public private
Status operating operating
Employees 1,300 1,072
Total funding $2.2B
Latest round Series C
Sectors Launch Services, Space Defense Systems, Space Propulsion Satellite Manufacturing, Space Propulsion, Space Stations & Habitats
Products listed 6 7
Federal contracts 1 ($6.5M)
Launches 25 (4%)
Leaders listed Giulio Ranzo, Roberto Italia, Roberto Carassai Dan Jablonsky, Janet Kavandi, Troy Lahr
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Avio and Sierra Space compare?

Both companies work in Space Propulsion. Avio was founded in 1912 and Sierra Space in 2021.

Which is larger, Avio or Sierra Space?

Avio reports the larger workforce, with 1,300 employees versus 1,072.

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

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

Which has more launches, Avio or Sierra Space?

Avio leads with 25 tracked launches (4% success rate).

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