| Business | Phone |
| Accurate Products Inc 4645 N Ravenswood Ave, Chicago 60640 | (773) 878-2200 |
| Flexan Corp 6626 W Dakin St, Chicago 60634 | (773) 685-6446 |
| Elastomer Processing 2448 W 24th St, Chicago 60608 | (773) 254-4039 |
| Chicago-Allis Mfg Corp 113 N Green St, Chicago 60607 | (312) 666-5050 |
| E James & Co 6000 S Oak Park Ave, Chicago 60638 | (773) 788-1881 |
| Rotadyne Corp 2512 W 24th St, Chicago 60608 | (773) 247-5600 |
| Margolin Shoes Inc 1935 S Wabash Ave, Chicago 60616 | (312) 225-5222 |
| O'Neill Products Inc 555 W 16th St, Chicago 60616 | (312) 243-3413 |
| Mgs Roller Corp 4121 N Kilpatrick Ave, Chicago 60641 | (773) 506-4418 |
| Rubber 2416 S Indiana Ave, Chicago 60616 | (312) 674-9453 |