| Business | Phone |
| Arrow Tool & Gage Co 14323 E Marshall St, Tulsa 74116 | (918) 438-3600 |
| Esex 6310 E 13th St, Tulsa 74112 | (918) 834-6656 |
| Stolle Products 11509 E Pine St, Tulsa 74116 | (918) 437-4433 |
| Rcf Enterprises 5153 S 94th East Ave, Tulsa 74145 | (918) 828-1570 |