| Item | Obligations |
|---|---|
| Department of Defense | $5.9B |
| National Aeronautics and Space Administration | $924M |
| Department of Veterans Affairs | $830M |
| Department of Energy | $707M |
| Department of Homeland Security | $460M |
| General Services Administration | $403M |
| Department of Agriculture | $393M |
| Department of the Interior | $253M |
| Department of Justice | $132M |
| Department of Health and Human Services | $76.3M |
Department of Defense was the top federal buyer in Colorado, obligating $5.9B (57.4% of the state total).