Who Huntington Ingalls buys from and sells to
America's largest military shipbuilder: aircraft carriers, submarines, destroyers and amphibious ships.
Part of Defence and Rearmament spending
Buys from 2
- Submarine and carrier supplier basecastings, valves and components, many single-source
- US Navy (government-furnished)nuclear reactors, combat systems and turbines
Sells to 3
- US Navycarriers, submarines, destroyers, amphibs~81% of 2025 revenue (FY2025 10-K)
- General DynamicsGDVirginia and Columbia submarine modules for Electric Boat
- US Coast Guardnational security cutters
Where the chain could break
- The Navy is ~81% of revenue; ship budgets and schedules decide the year
- Shipyard labour shortages slow submarine and carrier delivery
- Sole builder of US aircraft carriers, at Newport News
Competes with
- General DynamicsGDNavy shipbuilding at Bath Iron Works
- Fincantierifrigates and future surface ships
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.