| Item | Obligations |
|---|---|
| Department of Defense | $7.2B |
| Department of Veterans Affairs | $1.6B |
| National Aeronautics and Space Administration | $1B |
| Department of Energy | $845M |
| Department of Homeland Security | $532M |
| General Services Administration | $474M |
| Department of Agriculture | $471M |
| Department of the Interior | $409M |
| Department of Justice | $335M |
| Department of Commerce | $108M |
Department of Defense was the top federal buyer in Colorado, obligating $7.2B (54.2% of the state total).