| Business | Phone |
| Pool Well Svc 1015 58th St W, Williston 58801 | (701) 572-4583 |
| Epoch Well Site Svc 402 22nd St W # 2, Williston 58801 | (701) 572-3672 |
| Oilfield Safety Inc 2523 2nd St W, Williston 58801 | (701) 774-3014 |
| First Energy Svc Co Highway 2 W, Williston 58801 | (701) 774-0127 |
| Halliburton Energy Svc 420 Halliburton Dr, Williston 58801 | (701) 774-3963 |
| Key Energy Svc 115 34th St W, Williston 58801 | (701) 572-2863 |