| Business | Phone |
| Chicago Chain & Transmission 650 E Plainfield Rd, La Grange 60525 | (708) 482-9000 |
| Inland Industrial Electric Svc 340 Washington Ave, La Grange 60525 | (708) 482-3050 |
| Quality Reducer Svc Inc 620 East Ave, La Grange 60525 | (708) 354-8080 |
| Superior Mechanical Systs Inc 7515 Santa Fe Dr, La Grange 60525 | (708) 588-0000 |
| Gary Lundin 11 S La Grange Rd, La Grange 60525 | (708) 354-7551 |
| Know Co 600 S Kensington Ave, La Grange 60525 | (708) 352-2093 |