| Item | Obligations |
|---|---|
| Department of Defense | $242M |
| Department of Health and Human Services | $107M |
| Department of the Interior | $92.4M |
| Department of Veterans Affairs | $57M |
| Department of Agriculture | $15.1M |
| Department of Justice | $9.5M |
| Department of the Treasury | $4.4M |
| Department of Homeland Security | $4.1M |
| General Services Administration | $3.8M |
| Department of Energy | $2.6M |
Department of Defense was the top federal buyer in South Dakota, obligating $242M (44.5% of the state total).