| Business | Phone |
| Library Information Systems 2101 Wesley Ave 1e, Berwyn 60402 | (708) 656-9011 |
| Trans Data Systems 3001 Ridgeland Ave, Berwyn 60402 | (708) 484-0829 |
| Lane Tech It Solutions 1939 Grove Ave 101, Berwyn 60402 | (708) 484-0543 |
| Paladin Consulting Inc 3715 Home Ave, Berwyn 60402 | (708) 484-0164 |
| Susan Harris Consulting Inc 3017 Harlem Ave, Berwyn 60402 | (708) 749-8050 |