| Business | Phone |
| Aarp Information Ctr 222 N La Salle St, Chicago 60601 | (312) 458-3600 |
| Abacus-Global-Matrix-Agm 535 N Michigan Ave, Chicago 60611 | (312) 840-9000 |
| Abc Info 3947 N Austin Ave, Chicago 60634 | (773) 286-5353 |
| Advanced Concepts Chicago 60604 | (312) 939-2229 |
| Arrowhead Information Mgmt 70 W Madison St, Chicago 60602 | (312) 214-6125 |
| Global Horizons Corp 311 W Washington St, Chicago 60606 | (312) 755-7896 |
| Gelco & Information Network 100 E Walton St, Chicago 60611 | (312) 751-9573 |
| Can Info 322 S Green St, Chicago 60607 | (312) 226-4636 |
| Ethernetix Inc 141 W Jackson Blvd, Chicago 60604 | (312) 362-1799 |
| Chicago Mem Assoc Information 340 W Diversey Pkwy, Chicago 60657 | (773) 327-4604 |
| Ameritech American Info Tech 30 S Wacker Dr, Chicago 60606 | (312) 750-5000 |
| Djw Information Svc 400 E 79th St, Chicago 60619 | (773) 487-3457 |
| Dig 1644 N Damen Ave, Chicago 60647 | (773) 235-4440 |
| Digital Staffing 208 S La Salle St 1276, Chicago 60604 | (312) 357-1012 |
| Commodity Information Svc 327 S La Salle St, Chicago 60604 | (312) 922-3661 |
| Summit Executive Centre 205 N Michigan Ave 10, Chicago 60601 | (312) 938-2000 |
| Tco Information Ctr 150 N Michigan Ave 1200, Chicago 60601 | (312) 781-6223 |
| Metropolitan Chicago Info Ctr 17 N State St 1600, Chicago 60602 | (312) 580-2878 |
| Speaker Resource Ctr Inc 20 N Wacker Dr 756, Chicago 60606 | (312) 641-6362 |
| Tower Messenger Ctr 233 S Wacker Dr, Chicago 60606 | (312) 474-0090 |
| Landmark Education 820 N Orleans St 105, Chicago 60610 | (312) 440-3440 |
| On Scene With Eleanor Woods 54 W Illinois St, Chicago 60610 | (312) 661-1440 |
| Velocity Courier 703 N Wells St 2, Chicago 60610 | (312) 944-0754 |
| Institute For Charitable Gvng 500 N Michigan Ave 2008, Chicago 60611 | (312) 222-9757 |
| Pro Speakers 152 E Ontario St, Chicago 60611 | (312) 467-1060 |
| Ticket Info 454 N Columbus Dr 4, Chicago 60611 | (312) 836-9485 |
| Meyer Creativity Assoc Chicago 60614 | (773) 907-9212 |
| On Time Courier 1128 W Chicago Ave B, Chicago 60622 | (312) 491-1320 |
| Planning Experts Ltd 10732 S Emerald Ave, Chicago 60628 | (773) 928-7200 |
| Yes You Can 1946 W Summerdale Ave, Chicago 60640 | (773) 878-0095 |
| Mama Lu's Messenger Svc 1850 E 79th St, Chicago 60649 | (773) 978-1553 |
| Rhon's Way Inc Po Box 577078, Chicago 60657 | (773) 281-2368 |
| Dds Delivery 5036 Bill Bailey Rd, Chicago 14837 | (607) 243-5951 |
| Ppi Inc 47 W Division St 179, Chicago 60610 | (312) 938-2148 |
| Siemens Communications 150 N Michigan Ave, Chicago 60601 | (312) 580-6363 |
| Hubbard One 1 N Dearborn St 500, Chicago 60602 | (312) 939-5000 |
| Infotrack Information Svc 134 N La Salle St 800, Chicago 60602 | (312) 551-9484 |
| Logical Information Machines 120 N La Salle St 1220, Chicago 60602 | (312) 364-0046 |
| Arrow Messenger Svs 190 S Lasalle St, Chicago 60603 | (312) 377-9650 |
| Mc Gee Court Reporting Svc 79 W Monroe St, Chicago 60603 | (312) 263-2881 |
| Risk Information System 141 W Jackson Blvd, Chicago 60604 | (312) 435-2274 |
| Asc Partners Llc 20 N Wacker Dr, Chicago 60606 | (312) 795-0979 |
| John Reid & Assoc 209 W Jackson Blvd, Chicago 60606 | (312) 583-0700 |
| Rcg Information Technology 10 S Riverside Plz, Chicago 60606 | (312) 474-6055 |
| Intercept Courier Inc 348 N Ashland Ave, Chicago 60607 | (312) 243-7333 |
| Messenger Uno Chicago 60609 | (773) 247-3330 |
| Solo Messenger 1300 W Exchange Ave, Chicago 60609 | (773) 650-6842 |
| Copycall 432 N Clark St, Chicago 60610 | (312) 494-5801 |
| Northfield Information Svc 1414 N Wells St, Chicago 60610 | (312) 482-9252 |
| Person To Person Copy Call 432 N Clark St, Chicago 60610 | (312) 329-6145 |
| Info Locus 175 E Delaware Pl, Chicago 60611 | (312) 202-0324 |
| Information Technology Prtnrs 541 N Fairbanks Ct, Chicago 60611 | (312) 527-4850 |
| Parkinson Disease Information 320 E Superior St, Chicago 60611 | (312) 649-8989 |
| Wayne Messmer & Assoc 2658 N Southport Ave, Chicago 60614 | (773) 244-1117 |
| It Information Tech Integrated 4949 S Woodlawn Ave, Chicago 60615 | (773) 268-4188 |
| Pro It Co 258 W 31st St, Chicago 60616 | (312) 225-6847 |
| Cmn Event Info Hotline 2434 W Division St, Chicago 60622 | (773) 227-4266 |
| Standard Courier 1376 W Grand Ave, Chicago 60622 | (312) 563-1313 |
| Pink Dragon Wellness 118 W 103rd St, Chicago 60628 | (773) 264-2500 |
| National Men's Conference 10007 S Rhodes Ave, Chicago 60628 | (773) 468-3216 |
| Tmar Express Couriers Svc 10730 S Vernon Ave, Chicago 60628 | (773) 928-9000 |
| Altius Consulting Inc 8601 W Bryn Mawr Ave, Chicago 60631 | (773) 444-0614 |
| Information Technology Group 8700 W Bryn Mawr Ave, Chicago 60631 | (773) 714-2370 |
| Unique Construction 4950 W 55th St, Chicago 60638 | (773) 735-9779 |
| Usm Logistics 6711 S Leclaire Ave, Chicago 60638 | (708) 475-2550 |
| Groundwork Solutions 4802 N Broadway St, Chicago 60640 | (773) 275-1445 |
| King Express 4060 N Milwaukee Ave, Chicago 60641 | (773) 685-1793 |
| M P Voicemail 2421 W Pratt Blvd, Chicago 60645 | (773) 764-2223 |
| Jaunster.Com 3250 W Potomac Ave, Chicago 60651 | (773) 572-3422 |
| Tang Message Co 3044 W Peterson Ave, Chicago 60659 | (773) 764-1318 |
| Arrow Messenger Svc Inc 500 W Madison St, Chicago 60661 | (312) 466-0967 |
| Telecheck 555 W Adams St, Chicago 60661 | (312) 454-1779 |