| Business | Phone |
| American Data Armor 165 N Canal St 1430, Chicago 60606 | (312) 756-1500 |
| Emulex Corp 8700 W Bryn Mawr Ave, Chicago 60631 | (773) 714-5125 |
| Creative Labs 117 N Jefferson St 204, Chicago 60661 | (312) 441-0379 |
| Networth Chicago 60607 | (312) 243-6671 |
| Telmar Information Svc Corp 980 N Michigan Ave 1400, Chicago 60611 | (312) 840-8563 |
| Mid-Com Assoc 2055 W Addison St, Chicago 60618 | (773) 477-3374 |
| Mis Computer Corp 1038 N Ashland Ave, Chicago 60622 | (773) 772-1200 |
| Priority Electronics Ltd 3314 N Neva Ave, Chicago 60634 | (773) 205-1163 |
| Midwest Competent Svc 3501 N Cicero Ave, Chicago 60641 | (773) 777-2746 |
| One Source Information 161 N Clark St, Chicago 60601 | (312) 634-6550 |
| Ild Data Co 175 W Jackson Blvd, Chicago 60604 | (312) 341-1183 |
| Portfolio Dynamics 53 W Jackson Blvd, Chicago 60604 | (312) 461-9760 |
| Logan Consulting 200 W Adams St 2002, Chicago 60606 | (312) 345-8800 |
| Backstar Creative Media Inc 118 W Grand Ave, Chicago 60610 | (773) 895-7740 |
| North Star Telecommunications Chicago 60611 | (312) 943-4411 |
| Rainbow Data & Telecom 816 E 42nd St 1, Chicago 60653 | (773) 373-3710 |
| Info-Seekers Inc 11349 S Hamlin Ave, Chicago 60655 | (773) 445-2211 |