SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Innospace logo Innospace Hybrid rocket-powered small satellite launch vehicles delivering low-cost, customized rapid access to sun-synchronous and low Earth orbit 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
Innospace Sierra Space
Founded 2017 2021
Headquarters South Korea Louisville, Colorado
Type public private
Status operating operating
Employees 55 1,072
Total funding $38.8M $2.2B
Latest round Post-IPO Equity Series C
Sectors Launch Services, Space Propulsion Satellite Manufacturing, Space Propulsion, Space Stations & Habitats
Products listed 5 7
Federal contracts 1 ($6.5M)
Launches 4 (25%)
Leaders listed Soo-Jong Kim, Hun Jung, Chan Jung Kim Dan Jablonsky, Janet Kavandi, Troy Lahr
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Innospace and Sierra Space compare?

Both companies work in Space Propulsion. Innospace was founded in 2017 and Sierra Space in 2021.

Which is larger, Innospace or Sierra Space?

Sierra Space reports the larger workforce, with 1,072 employees versus 55.

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

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

Which has more launches, Innospace or Sierra Space?

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

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