| Item | Obligations |
|---|---|
| Department of Defense | $338M |
| Department of Health and Human Services | $135M |
| Department of the Interior | $115M |
| Department of Veterans Affairs | $102M |
| Department of Homeland Security | $21.9M |
| Department of Agriculture | $18.6M |
| Department of the Treasury | $14.8M |
| Department of Justice | $11.5M |
| Department of Transportation | $7.5M |
| Department of Energy | $4.9M |
Department of Defense was the top federal buyer in South Dakota, obligating $338M (43.3% of the state total).