| Item | Obligations |
|---|---|
| General Services Administration | $1.8B |
| Department of Defense | $1.5B |
| Department of Health and Human Services | $276M |
| Department of Veterans Affairs | $275M |
| Department of Commerce | $95.9M |
| Department of Homeland Security | $93.8M |
| Department of Justice | $66.1M |
| National Aeronautics and Space Administration | $51.5M |
| Department of the Treasury | $48.4M |
| Department of Energy | $44.8M |
General Services Administration is Booz Allen Hamilton's largest federal customer, with $1.8B obligated (40.9% of the company's federal obligations).