SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
CesiumAstro logo CesiumAstro Designs, manufactures, and integrates software-defined phased array communications systems, payloads, and satellites for space, airborne, and ground platforms. vs Kepler Communications Operates an optical satellite constellation providing real-time data relay, on-orbit computing, and hosted payload services for space missions Kepler Communications logo
HEAD-TO-HEAD2 shared sectors
CesiumAstro Kepler Communications
Founded 2017 2015
Headquarters Austin, Texas, USA Toronto
Type private private
Status operating operating
Employees 318 174
Total funding $710.2M $177.1M
Latest round Series C Series C
Sectors Satellite Components & Subsystems, Satellite Communications, Satellite Manufacturing Satellite Communications, Ground Segment & Networks, Satellite Manufacturing
Products listed 15 6
Federal contracts
Launches
Leaders listed Shey Sabripour, Kenneth Smith, Chris Pappas III Mina Mitry, Dan Budlovsky, Robert Conrad
News mentions 26 10
SHARED SECTORS
FREQUENTLY ASKED

How do CesiumAstro and Kepler Communications compare?

Both companies work in Satellite Communications, Satellite Manufacturing. CesiumAstro was founded in 2017 and Kepler Communications in 2015.

Which is larger, CesiumAstro or Kepler Communications?

CesiumAstro reports the larger workforce, with 318 employees versus 174.

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