| Business | Phone |
| Baird Manufacturing Co 202 N Boston Ave, Tulsa 74103 | (918) 582-2225 |
| Cronkhite Automatic Prods 1227 W Oklahoma St, Tulsa 74127 | (918) 584-0885 |
| Ocv Control Valves 7400 E 42nd Pl, Tulsa 74145 | (918) 627-1942 |
| Thorco Inc 420 E Archer St, Tulsa 74120 | (918) 584-7101 |
| Roto Hammer Industries Inc 2804 W 40th St, Tulsa 74107 | (918) 446-3500 |