| Item | Obligations |
|---|---|
| Department of Defense | $1.9B |
| Department of Homeland Security | $787M |
| General Services Administration | $129M |
| Department of the Treasury | $87.3M |
| Department of State | $47.4M |
| National Aeronautics and Space Administration | $22.1M |
| Department of Justice | $11.6M |
| Unknown | $8.2M |
| Department of the Interior | $0 |
| Agency for International Development | $0 |
Department of Defense is Amentum Services's largest federal customer, with $1.9B obligated (63.4% of the company's federal obligations).