| Business | Phone |
| Industrial Gas Engineering Co 130 E Quincy St, Westmont 60559 | (630) 968-4440 |
| Industrial Kinetics Inc 825 Blackhawk Dr, Westmont 60559 | (630) 655-0300 |
| James W Lockerby & Assoc Inc 6 670 Vandantrial Dr S, Westmont 60559 | (630) 964-8791 |
| Man Roland Usa Inc 800 E Oakhill Dr 1, Westmont 60559 | (630) 920-2000 |
| Orca Technologies 776 Burr Oak Dr, Westmont 60559 | (630) 655-0683 |
| Perfecopy Co 103 W 61st St, Westmont 60559 | (630) 769-9901 |