| Business | Phone |
| Duke Energy 1324 N 7th Ave, Greeley 80631 | (970) 356-9700 |
| Duke Energy 31495 County Road 43, Greeley 80631 | (970) 352-3104 |
| Duke Energy Field Svc 3009 49th Ave, Greeley 80634 | (970) 330-3272 |
| Dukeenergy Field Svc 1324 N 7th Ave, Greeley 80631 | (303) 572-8002 |