| Business | Phone |
| Acwan Enterprises Inc 106 E Wilson St, Elmhurst 60126 | (630) 993-1060 |
| Advanced Business Automation Elmhurst 60126 | (630) 530-0890 |
| Giosource Inc 230 E Grantley Ave, Elmhurst 60126 | (630) 833-6891 |
| Caldyne Inc 105 E Vallette St 1325, Elmhurst 60126 | (630) 833-0065 |
| Eclipse Technologies Inc Elmhurst 60126 | (630) 782-4640 |
| Common Sense Solutions Inc 310 W Lake St, Elmhurst 60126 | (630) 379-0330 |
| Computer Ace 381 N York St, Elmhurst 60126 | (630) 617-5515 |