Who Northrop Grumman buys from and sells to
Defence prime building the B-21 bomber, Sentinel ICBM, solid rocket motors, space systems and F-35 fuselages.
Part of Defence and Rearmament spending
Buys from 2
Sells to 4
- US Department of DefenseB-21, Sentinel, space and mission systems84% of 2025 sales from US government (FY2025 10-K)
- Lockheed MartinLMTF-35 centre fuselages and radars
- NASAsolid rocket boosters for SLS
- United Launch AllianceGEM 63 strap-on boosters for Atlas V and Vulcan
Where the chain could break
- 84% of sales from the US government; B-21 is fixed-price LRIP that already took a $477M loss
- One of two US suppliers of large solid rocket motors, so its capacity limits missile output
Competes with
- Lockheed MartinLMTcombat aircraft and missile defence
- L3HarrisLHXsolid rocket motors and space sensors
- BoeingBAmilitary aircraft and space
Mapped by hand from filings and company reporting, as of October 2026. It shows the relationships that matter most, not every contract: most are never disclosed, and agreements change.