| Business | Phone |
| Amerinet 20 N Wacker Dr # 550, Chicago 60606 | (312) 263-7638 |
| Amputees Service Assoc 4444 W Lawrence Ave # 614, Chicago 60630 | (773) 282-6017 |
| Audience Services 454 N Columbus Dr, Chicago 60611 | (312) 836-5818 |
| French Scientific Svc 205 N Michigan Ave 3700, Chicago 60601 | (312) 642-7438 |
| F A Polishing & Setting Svc 5 N Wabash Ave, Chicago 60602 | (312) 630-1985 |
| Eve & Vic Emplymnt Agy & Clng 5770 S Archer Ave, Chicago 60638 | (773) 582-7400 |
| Executive Referral Svc 8770 W Bryn Mawr Ave 710, Chicago 60631 | (773) 693-6622 |
| Eoi Svc Co 820 N Orleans St 201, Chicago 60610 | (312) 944-3693 |
| Children's Memorial Nursing 2300 N Childrens Plz, Chicago 60614 | (773) 880-6950 |
| Computer Services Intl 500 N Michigan Ave, Chicago 60611 | (312) 464-2232 |
| Contract Procurement Svc Inc 120 W Madison St 1118, Chicago 60602 | (312) 407-8235 |
| Ctek-Environmental Health 200 S Wacker Dr, Chicago 60606 | (312) 876-5818 |
| Currie District Svc Office 1303 E 53rd St, Chicago 60615 | (773) 667-0550 |