| Business | Phone |
| Mgtc Inc 1400 E Lincoln St, Gillette 82716 | (307) 682-2675 |
| Western Gas Resources Inc 1464 Hilight Rd, Gillette 82718 | (307) 939-1370 |
| Western Gas Resources Inc 869 W Echeta Rd, Gillette 82716 | (307) 687-7828 |
| Western Gas Resources Product 9397 State Highway 59 S, Gillette 82718 | (307) 686-7691 |
| Thunder Creek Gas Svc 2901 2nd St A, Gillette 82718 | (307) 687-0614 |
| Thundercreek Gas Svc 1660 State Highway 50, Gillette 82718 | (307) 687-2002 |
| Rocky Mountain Gas Inc 2000 Airport Rd, Gillette 82716 | (307) 686-3797 |