| Item | Obligations |
|---|---|
| Ship Building and Repairing | $2.8B |
| Engineering Services | $58.4M |
| Other Electronic and Precision Equipment Repair and Maintenance | $39.6M |
| Power Boiler and Heat Exchanger Manufacturing | $7.5M |
| Hardware Manufacturing | $0 |
Ship Building and Repairing is Huntington Ingalls's largest federal market, with $2.8B in obligations.