| Business | Phone |
| Brown Minneapolis Tank-Midwest 7274 W 81st St, Tulsa 74131 | (918) 224-2358 |
| Enardo Manufacturing Co 4470 S 70th East Ave, Tulsa 74145 | (918) 622-6161 |
| Tsi Tank Specialties Inc 3319 N Lewis Ave, Tulsa 74110 | (918) 599-8111 |
| Process Manufacturing Co 5800 W 68th St, Tulsa 74131 | (918) 445-0909 |