| Business | Phone |
| Merchants Data Processing Ctr 9944 S Roberts Rd 101, Palos Hills 60465 | (708) 430-7700 |
| Midwest Laser Inc 10705 S Roberts Rd 103, Palos Hills 60465 | (708) 974-0084 |
| Computer Mom's 10504 S 81st Ave, Palos Hills 60465 | (708) 466-1000 |
| L P Software Inc 10661 S Roberts Rd, Palos Hills 60465 | (708) 974-2838 |
| Software Performance Spec Inc 10705 S Roberts Rd Pmb 37, Palos Hills 60465 | (708) 671-0317 |