| Business | Phone |
| Baker Oil Tools 1700 E Highway 7, Duncan 73533 | (580) 255-3084 |
| Baker Packer Div Duncan 73533 | (580) 252-6704 |
| Cementing Solutions Inc 2622 Stagestand Rd, Duncan 73533 | (580) 470-9880 |
| Duke Energy Field Svc Rr 4 Box 36, Duncan 73533 | (580) 856-3075 |
| Halliburton Energy Svc 215 E Bois D Arc Ave, Duncan 73533 | (580) 251-2800 |
| Knutson Production Co Po Box 1082, Duncan 73534 | (580) 444-2765 |
| Mack Oilfield Equipment Co Po Box 216, Duncan 73534 | (405) 850-1406 |
| Nuflo Technologies Inc 7300 Nix Dr, Duncan 73533 | (580) 470-9600 |
| Thomas Acid & Tool Svc Inc Old Highway 7 E, Duncan 73533 | (580) 252-4672 |
| Orr Enterprises Duncan 73533 | (580) 251-9618 |
| Suzy Pipe Svc Co 2605 S 13th St, Duncan 73533 | (580) 255-6858 |
| Schlumberger Well Svc 7604 N Highway 81, Duncan 73533 | (580) 255-5516 |