SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Deep Blue Aerospace logo Deep Blue Aerospace Develops reusable liquid-fueled launch vehicles and kerosene rocket engines for commercial orbital and suborbital launch services 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
Deep Blue Aerospace Sierra Space
Founded 2016 2021
Headquarters China Louisville, Colorado
Type private private
Status operating operating
Employees 400 1,072
Total funding $170M $2.2B
Latest round Series B Series C
Sectors Launch Services, Space Propulsion Satellite Manufacturing, Space Propulsion, Space Stations & Habitats
Products listed 0 7
Federal contracts 1 ($6.5M)
Launches 1 (0%)
Leaders listed Huo Liang Dan Jablonsky, Janet Kavandi, Troy Lahr
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Deep Blue Aerospace and Sierra Space compare?

Both companies work in Space Propulsion. Deep Blue Aerospace was founded in 2016 and Sierra Space in 2021.

Which is larger, Deep Blue Aerospace or Sierra Space?

Sierra Space reports the larger workforce, with 1,072 employees versus 400.

Which has more US federal contracts, Deep Blue Aerospace or Sierra Space?

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

Which has more launches, Deep Blue Aerospace or Sierra Space?

Deep Blue Aerospace leads with 1 tracked launches (0% success rate).

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