| Business | Phone |
| Andarko Petroleum Corp Co 2515 Foothill Blvd 300, Rock Springs 82901 | (307) 352-3300 |
| Anadarko Petroleum Corp 2515 Foothill Blvd, Rock Springs 82901 | (307) 382-4885 |
| Duke Energy Field Svc 7530 Foothill Blvd, Rock Springs 82901 | (307) 352-6000 |