| Business | Phone |
| Custom Machinery Inc 3910 Wesley Ter, Schiller Park 60176 | (847) 678-3033 |
| Lynn Machine & Tool Corp 9435 River St, Schiller Park 60176 | (847) 678-6700 |
| Nosko Manufacturing Inc 3901 25th Ave, Schiller Park 60176 | (847) 678-0813 |
| Precise Rotary Die 9250 Ivanhoe St, Schiller Park 60176 | (847) 678-0001 |
| Smithco Fabricators Inc 9521 Ainslie St, Schiller Park 60176 | (847) 678-1600 |
| Wesley & Sons Inc 4916 River Rd, Schiller Park 60176 | (847) 678-6305 |