SPACE INDEX
Northrop Grumman logo Northrop Grumman Builds military and science satellites, the Cygnus resupply spacecraft, solid rocket motors, and the Sentinel ICBM vs Phase Four Developed electrodeless radio-frequency and multi-mode electric propulsion systems for satellites Phase Four logo
HEAD-TO-HEAD1 shared sector
Northrop Grumman Phase Four
Founded 1939 2015
Headquarters Falls Church, Virginia Hawthorne, California
Type public private
Status operating closed
Employees 5
Total funding $35.8M
Latest round Series C
Sectors Space Defense Systems, Satellite Manufacturing, Space Propulsion Space Propulsion, Satellite Components & Subsystems
Products listed 0 4
Federal contracts 25 ($21.07B)
Launches 93 (92%)
Leaders listed Steve Kiser, M. Umair Siddiqui, Simon Halpern
News mentions 3 0
SHARED SECTORS
FREQUENTLY ASKED
01

How do Northrop Grumman and Phase Four compare?

Both companies work in Space Propulsion. Northrop Grumman was founded in 1939 and Phase Four in 2015.
02

Which has more US federal contracts, Northrop Grumman or Phase Four?

Northrop Grumman has been awarded more, with $21.07B across 25 awards.
03

Which has more launches, Northrop Grumman or Phase Four?

Northrop Grumman leads with 93 tracked launches (92% success rate).

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