| Business | Phone |
| A Wire Corp 4825 W Grand Ave, Chicago 60639 | (773) 745-0116 |
| Arlington Wire & Metal Prods 4318 W Carroll Ave, Chicago 60624 | (773) 921-3090 |
| Art Wire Works Co 5401 W 65th St 714, Chicago 60638 | (708) 458-3993 |
| Bel-Mar Wire Products Inc 2343 N Damen Ave, Chicago 60647 | (773) 342-3800 |
| Folding Guard Co 2101 S Carpenter St, Chicago 60608 | (312) 829-3500 |
| Cal-Ill Gaskets 4716 W Rice St, Chicago 60651 | (773) 287-9605 |
| Chicago Wire Design Co 1750 N Kimball Ave 1, Chicago 60647 | (773) 342-4220 |