| Business | Phone |
| Usedm Systems Div 1010 Lambrecht Dr, Frankfort 60423 | (815) 464-9808 |
| C P Industries 351 Thorridale Dr, Frankfort 60423 | (815) 532-5800 |
| Bradley Industries Inc 524 Center Rd, Frankfort 60423 | (815) 469-2314 |
| Itw Delpro 21601 S Harlem Ave, Frankfort 60423 | (708) 720-0300 |