| Business | Phone |
| Terco Computer System 1540 E Dundee Rd, Palatine 60074 | (630) 545-2700 |
| Horizon Technology Partners 1250 W Northwest Hwy 200, Palatine 60067 | (847) 202-3242 |
| Softright Inc 1133 Carberry Cir, Palatine 60067 | (708) 431-4772 |
| Syscom Corp 579 N 1st Bank Dr, Palatine 60067 | (847) 359-7044 |
| Technical Source Inc 1447 E Rosita Dr, Palatine 60074 | (847) 705-1730 |
| Johnson Operations Inc 143 E Wood St, Palatine 60067 | (847) 991-2233 |
| L B Mcclellan Inc Palatine 60067 | (847) 358-7659 |
| Mega Computer Solutions Inc Palatine 60067 | (847) 991-5561 |
| Microsynergy Inc 285 E Helen Rd, Palatine 60067 | (847) 991-0154 |
| Odessey Consulting Svc 1620 W Colonial Pkwy, Palatine 60067 | (847) 359-1200 |
| Professional Resource Mgmt Inc 50 N Brockway St 3-5, Palatine 60067 | (847) 359-3990 |
| Progressive Programming Inc Po Box 2553, Palatine 60078 | (847) 359-1288 |