SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Kepler Communications logo Kepler Communications Operates an optical satellite constellation providing real-time data relay, on-orbit computing, and hosted payload services for space missions 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
Kepler Communications Sierra Space
Founded 2015 2021
Headquarters Toronto, Canada Louisville, Colorado
Type private private
Status operating operating
Employees 174 1,072
Total funding $177.1M $2.2B
Latest round Series C Series C
Sectors Satellite Communications, Ground Segment & Networks, Satellite Manufacturing Satellite Manufacturing, Space Propulsion, Space Stations & Habitats
Products listed 6 7
Federal contracts 1 ($6.5M)
Launches
Leaders listed Mina Mitry, Dan Budlovsky, Robert Conrad Dan Jablonsky, Janet Kavandi, Troy Lahr
News mentions 10 0
SHARED SECTORS
FREQUENTLY ASKED

How do Kepler Communications and Sierra Space compare?

Both companies work in Satellite Manufacturing. Kepler Communications was founded in 2015 and Sierra Space in 2021.

Which is larger, Kepler Communications or Sierra Space?

Sierra Space reports the larger workforce, with 1,072 employees versus 174.

Which has more US federal contracts, Kepler Communications or Sierra Space?

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.