SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
CesiumAstro logo CesiumAstro Designs, manufactures, and integrates software-defined phased array communications systems, payloads, and satellites for space, airborne, and ground platforms vs Optisys Metal additive manufacturing of monolithic RF antennas and assemblies for aerospace, defense, and space Optisys logo
HEAD-TO-HEAD1 shared sector
CesiumAstro Optisys
Founded 2017 2016
Headquarters Austin, Texas United States
Type private private
Status operating operating
Employees 318 —
Total funding $710.2M —
Latest round Series C —
Sectors Satellite Components & Subsystems, Satellite Communications, Satellite Manufacturing Satellite Components & Subsystems, Space Defense Systems
Products listed 15 6
Federal contracts — —
Launches — —
Leaders listed Shey Sabripour, Kenneth Smith, Chris Pappas III Janos Opra, Michael Hollenbeck, Robert Smith
News mentions 26 0
SHARED SECTORS
Satellite Components & Subsystems
FREQUENTLY ASKED

How do CesiumAstro and Optisys compare?

Both companies work in Satellite Components & Subsystems. CesiumAstro was founded in 2017 and Optisys in 2016.

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