| Item | Obligations |
|---|---|
| Department of Defense | $115M |
| Department of Health and Human Services | $101M |
| Department of Justice | $61.1M |
| Social Security Administration | $29.6M |
| Department of the Treasury | $27.4M |
| Department of Commerce | $16.1M |
| Department of the Interior | $15M |
| Department of Labor | $14.3M |
| Department of Homeland Security | $6M |
| Department of Education | $5.7M |
Department of Defense is Verizon Business Network Services's largest federal customer, with $115M obligated (28.2% of the company's federal obligations).