| Business | Phone |
| All American Metal Spinning Co 2955 N Newland Ave, Chicago 60634 | (312) 666-4110 |
| Century Metal Spinning Co 3565 N Milwaukee Ave, Chicago 60641 | (773) 282-7103 |
| Ecuamex 2310 S Avers Ave, Chicago 60623 | (773) 277-0513 |
| Columbia Metal Spinning 4351 N Normandy Ave, Chicago 60634 | (773) 685-2800 |