| Business | Phone |
| Technology Innovation Inc 12048 Venetian Way, Orland Park 60467 | (708) 301-9730 |
| Panoramic Corp As/400 Div Orland Park 60462 | (708) 460-3002 |
| Premier Systems Inc 9651 W 153rd St 54, Orland Park 60462 | (708) 349-9200 |
| Promation Inc 15638 S 70th Ct, Orland Park 60462 | (708) 429-5977 |
| Lode Data Systems Inc 10609 W 159th St, Orland Park 60467 | (708) 460-0999 |
| Pqs Consulting Inc 11707 Mark Ln 5b, Orland Park 60467 | (708) 403-4385 |