| Business | Phone |
| Atkinson Gillingham Schnack 6416 S Cass Ave, Westmont 60559 | (630) 963-9246 |
| Cafe Concepts & Management 800 E Ogden Ave A, Westmont 60559 | (630) 789-5858 |
| Energy Management Systems 3918 N Adams St, Westmont 60559 | (630) 969-2701 |
| Dro Assoc 5645 S Cass Ave, Westmont 60559 | (630) 271-9434 |
| Consultants Inc 215 W Ogden Ave, Westmont 60559 | (630) 963-3201 |