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 Redwire Corporation Manufactures satellite components, solar arrays, deployable structures, and spacecraft platforms for defense, civil space, and in-space manufacturing missions Redwire Corporation logo
HEAD-TO-HEAD1 shared sector
Phase Four Redwire Corporation
Founded 2015 2020
Headquarters Hawthorne, California Jacksonville, Florida
Type private public
Status closed operating
Employees 5 1,400
Total funding $35.8M
Latest round Series C
Sectors Space Propulsion, Satellite Components & Subsystems Satellite Components & Subsystems, In-Space Manufacturing, Satellite Manufacturing
Products listed 4 8
Federal contracts
Launches
Leaders listed Steve Kiser, M. Umair Siddiqui, Simon Halpern Peter Cannito, Chris Edmunds, Michael Gold
News mentions 0 1
SHARED SECTORS
FREQUENTLY ASKED

How do Phase Four and Redwire Corporation compare?

Both companies work in Satellite Components & Subsystems. Phase Four was founded in 2015 and Redwire Corporation in 2020.

Which is larger, Phase Four or Redwire Corporation?

Redwire Corporation reports the larger workforce, with 1,400 employees versus 5.

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