| Item | Obligations |
|---|---|
| Department of Defense | $322M |
| General Services Administration | $28.8M |
| Department of Energy | $22M |
| Department of Justice | $20.9M |
| Department of Commerce | $7.1M |
| National Aeronautics and Space Administration | $348K |
| Department of Health and Human Services | $190K |
| Smithsonian Institution | $75K |
| Department of Transportation | $5K |
| Department of the Interior | $500 |
Department of Defense is Amazon Web Services's largest federal customer, with $322M obligated (80.2% of the company's federal obligations).