| Business | Phone |
| Zierden Co 7355 S 1st St, Oak Creek 53154 | (414) 764-6630 |
| National Technologies Inc 7641 S 10th St, Oak Creek 53154 | (414) 571-1000 |
| Owens Industries Inc 7815 S 6th St, Oak Creek 53154 | (414) 764-1212 |
| Aaa Sales & Engineering Inc 1120 W North Branch Dr, Oak Creek 53154 | (414) 571-4142 |