| Business | Phone |
| Bear Paw Energy Inc 3002 2nd St, Gillette 82718 | (307) 687-3103 |
| Devon Energy Corp 1890 W Warlow Dr, Gillette 82716 | (307) 682-0591 |
| Elk Ridge Energy 305 N Works Ave, Gillette 82716 | (307) 685-2790 |
| Energy Capital Habitat 222 S Gillette Ave, Gillette 82716 | (307) 682-5351 |
| Energy Production Systems 5551 Magnuson Blvd, Gillette 82716 | (307) 682-3778 |
| Independent Petroleum Landman 201 W Lakeway Rd, Gillette 82718 | (307) 685-0272 |
| Windsor Energy Group 405 W Boxelder Rd D, Gillette 82718 | (307) 686-0891 |
| Rjm Energy Svc Inc 3067 N Us Hwy 14-16, Gillette 82716 | (307) 685-4451 |
| Ranchers Energy Corp 222 S Gillette Ave 702, Gillette 82716 | (307) 682-9339 |
| Rawhide Energy 121 Pineview Dr, Gillette 82716 | (307) 687-1918 |
| Pennaco Energy 457 Black Yellow Rd, Gillette 82718 | (307) 687-0615 |