SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Phase Four logo Phase Four Developed electrodeless radio-frequency and multi-mode electric propulsion systems for satellites vs Satrec Initiative Designs and manufactures Earth observation satellites, electro-optical payloads, and ground systems for end-to-end GEOINT solutions Satrec Initiative logo
HEAD-TO-HEAD1 shared sector
Phase Four Satrec Initiative
Founded 2015 1999
Headquarters Hawthorne, California Daejeon, South Korea
Type private public
Status closed operating
Employees 5 461
Total funding $35.8M
Latest round Series C
Sectors Space Propulsion, Satellite Components & Subsystems Satellite Manufacturing, Earth Observation & Remote Sensing, Satellite Components & Subsystems
Products listed 4 8
Federal contracts
Launches
Leaders listed Steve Kiser, M. Umair Siddiqui, Simon Halpern Ee-Eul Kim, Eugene D. Kim
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Phase Four and Satrec Initiative compare?

Both companies work in Satellite Components & Subsystems. Phase Four was founded in 2015 and Satrec Initiative in 1999.

Which is larger, Phase Four or Satrec Initiative?

Satrec Initiative reports the larger workforce, with 461 employees versus 5.

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