| Business | Phone |
| Accro Precision Grinding Inc 2080 N Hawthorne Ave, Melrose Park 60160 | (708) 681-0520 |
| Ace Grinding 5017 W Lake St, Melrose Park 60160 | (708) 345-2252 |
| Chicago Grinding & Machine Co 1950 N 15th Ave, Melrose Park 60160 | (708) 681-4010 |
| Double Disc Grinding Corp 2041 Janice Ave, Melrose Park 60160 | (708) 410-1770 |