| Item | Obligations |
|---|---|
| Department of Defense | $1.7B |
| Department of Homeland Security | $428M |
| Department of Transportation | $162M |
| General Services Administration | $82.3M |
| Department of Health and Human Services | $78.2M |
| Department of the Interior | $6.7M |
| Department of Justice | -$750 |
Department of Defense is Leidos's largest federal customer, with $1.7B obligated (68.9% of the company's federal obligations).