| Item | Obligations |
|---|---|
| Department of Energy | $2.5B |
| Department of Agriculture | $437M |
| Department of Defense | $177M |
| Department of the Interior | $126M |
| Department of Transportation | $27.2M |
| Department of Veterans Affairs | $19.9M |
| Department of Homeland Security | $13.5M |
| Department of Labor | $11.4M |
| Department of Justice | $8.1M |
| Environmental Protection Agency | $5.5M |
Department of Energy was the top federal buyer in Idaho, obligating $2.5B (75.1% of the state total).