| Item | Obligations |
|---|---|
| Department of Defense | $1.1B |
| Department of Veterans Affairs | $553M |
| Department of Homeland Security | $300M |
| Department of Health and Human Services | $140M |
| Department of Commerce | $62.4M |
| Social Security Administration | $53.7M |
| Department of Transportation | $52.3M |
| Department of the Interior | $36.7M |
| Environmental Protection Agency | $13.8M |
| Executive Office of the President | $5.4M |
Department of Defense is Dell Federal Systems L P's largest federal customer, with $1.1B obligated (47.1% of the company's federal obligations).