| Business | Phone |
| Bkw Inc 2469 E King St, Tulsa 74110 | (918) 836-6767 |
| Crc Evans Pipeline Intl Inc 10700 E Independence St, Tulsa 74116 | (918) 438-2100 |
| Dmi Intl Inc 15715 E Pine St, Tulsa 74116 | (918) 438-2213 |
| G A Cotten Co 1136 S Norwood Ave, Tulsa 74112 | (918) 835-3663 |
| H & M Pipe Beveling Machine Co 311 E 3rd St, Tulsa 74120 | (918) 582-9984 |
| Key & Assoc 10159 E 11th St # 405, Tulsa 74128 | (918) 834-2828 |
| Mathey Dearman Inc 4344 S Maybelle Ave, Tulsa 74107 | (918) 447-1288 |
| Midwestern Manufacturing 2119 S Union Ave, Tulsa 74107 | (918) 446-1587 |
| Tdw Pigging Products 10727 E 55th Pl, Tulsa 74146 | (918) 447-5400 |
| T D Williamson Inc 6801 S 65th West Ave, Tulsa 74131 | (918) 447-5000 |
| Pipe Tech Inc 3909 S Elwood Ave, Tulsa 74107 | (918) 447-0200 |
| Pipeline Equipment Inc 8403 S 89th West Ave, Tulsa 74131 | (918) 224-4144 |
| Remco Manufacturing Co Inc 205 S 85th East Ave, Tulsa 74112 | (918) 835-1504 |