SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Sierra Space logo Sierra Space Designs and manufactures satellite platforms, reusable spaceplanes, expandable habitats, and propulsion systems for national security and civil space vs Space Tango Designs and operates automated microgravity research and manufacturing facilities aboard the ISS and develops free-flying orbital platforms Space Tango logo
HEAD-TO-HEAD1 shared sector
Sierra Space Space Tango
Founded 2021 2014
Headquarters Louisville, Colorado Lexington, Kentucky
Type private private
Status operating operating
Employees 1,072 25
Total funding $2.2B $5.3M
Latest round Series C Grant
Sectors Satellite Manufacturing, Space Propulsion, Space Stations & Habitats In-Space Manufacturing, Space Stations & Habitats
Products listed 7 6
Federal contracts 1 ($6.5M)
Launches
Leaders listed Dan Jablonsky, Janet Kavandi, Troy Lahr S. Sita Sonty, Twyman Clements, Gentry Barnett
News mentions 0 5
SHARED SECTORS
FREQUENTLY ASKED

How do Sierra Space and Space Tango compare?

Both companies work in Space Stations & Habitats. Sierra Space was founded in 2021 and Space Tango in 2014.

Which is larger, Sierra Space or Space Tango?

Sierra Space reports the larger workforce, with 1,072 employees versus 25.

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

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

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