| Business | Phone |
| Black Squirrel Communications 1 E Wacker Dr, Chicago 60601 | (312) 670-8310 |
| Brass Communications Inc 6058 N Albany Ave, Chicago 60659 | (773) 761-9344 |
| Concourse Communications 1410 S Museum Campus Dr, Chicago 60605 | (312) 347-0103 |
| Teleport Communications Group 200 E Randolph St, Chicago 60601 | (312) 240-9110 |
| Latif Communications Group 6 N Michigan Ave, Chicago 60602 | (312) 849-3456 |
| Sea Communications Inc 39 S La Salle St 808, Chicago 60603 | (312) 641-6220 |
| Mww Strategic Communications 333 W Wacker Dr, Chicago 60606 | (312) 444-2052 |
| Presti Communications 321 N Loomis St, Chicago 60607 | (312) 421-1895 |
| Mbe Communications Svc 500 N Michigan Ave, Chicago 60611 | (312) 464-2374 |
| Owen Communications Inc 40 E Delaware Pl, Chicago 60611 | (312) 787-6716 |
| Surrey Court Comm Assoc 1250 W Fullerton Ave, Chicago 60614 | (773) 529-0941 |
| Xavier Communications 2100 S Indiana Ave, Chicago 60616 | (312) 674-1447 |
| Wla Communications Inc 9341 S Jeffery Ave, Chicago 60617 | (773) 721-5893 |
| Paragon Communications 1512 N Ashland Ave, Chicago 60622 | (773) 486-0814 |
| Omni Communications 1444 E 57th St, Chicago 60637 | (773) 288-2423 |
| Keep-N-Touch Communications 2310 E State St, Chicago 60633 | (708) 730-3800 |
| Lawrence Ragan Communications 316 N Michigan Ave 400, Chicago 60601 | (312) 960-4100 |
| Mako Communications 200 E Randolph St, Chicago 60601 | (312) 540-1772 |
| Mdu Communications 200 N Dearborn St, Chicago 60601 | (312) 781-0302 |
| Motorola Inc 233 N Michigan Ave, Chicago 60601 | (312) 228-4300 |
| Yipes Communications 200 N La Salle St, Chicago 60601 | (312) 541-9435 |
| Yipes Communications 77 W Wacker Dr, Chicago 60601 | (312) 782-2764 |
| Kana Communications 70 W Madison St, Chicago 60602 | (312) 214-2388 |
| Trm Communications Network 500 N Michigan Ave, Chicago 60611 | (312) 214-6145 |
| Savvis Communications 10 S La Salle St, Chicago 60603 | (312) 214-7936 |
| Stevens Communications Inc 11 S La Salle St, Chicago 60603 | (312) 895-5200 |
| Tv House Inc 10 S La Salle St, Chicago 60603 | (312) 641-5900 |
| Opc Communications Inc 208 S La Salle St, Chicago 60604 | (312) 357-0073 |
| Savvis Communications 175 W Jackson Blvd, Chicago 60604 | (312) 834-0441 |
| Yipes Communications 175 W Jackson Blvd, Chicago 60604 | (312) 341-0125 |
| Nos Communications 600 S Federal St, Chicago 60605 | (312) 386-9413 |
| Tellus Communications Inc 680 S Federal St, Chicago 60605 | (312) 880-0037 |
| Yipes Communications 440 S La Salle St, Chicago 60605 | (312) 341-1770 |
| Masergy Communications Inc 111 N Canal St, Chicago 60606 | (312) 382-1309 |
| Remedica Communications 20 N Wacker Dr, Chicago 60606 | (312) 372-0216 |
| Reynolds Communication Group 230 W Monroe St, Chicago 60606 | (312) 541-9300 |
| Savvis Communications 10 S Riverside Plz, Chicago 60606 | (312) 474-6010 |
| Telpoint Communications Inc 10 S Riverside Plz 1800, Chicago 60606 | (312) 588-0095 |
| Triumph Communications 20 N Wacker Dr, Chicago 60606 | (312) 857-0986 |
| Kasee Communications 216 N May St, Chicago 60607 | (312) 243-3857 |
| M Power Communication 725 S Wells St, Chicago 60607 | (312) 427-1705 |
| Tahiti Communications Inc 6 S Laflin St, Chicago 60607 | (312) 850-2858 |
| Max Communications 1524 W 18th St, Chicago 60608 | (312) 432-9331 |
| Maginfico Communications 22 W Ontario St, Chicago 60610 | (312) 274-1938 |
| Marcon 1560 N Clark St 4303, Chicago 60610 | (312) 951-5050 |
| Pukelis & Lehrer Communication 343 W Erie St, Chicago 60610 | (312) 440-0099 |
| Rain Communications 676b N Lasalle St 424, Chicago 60610 | (312) 280-1900 |
| Sky Net Communications 400 W Erie St, Chicago 60610 | (312) 951-6670 |
| Tiger Communications Inc 116 W Illinois St, Chicago 60610 | (312) 644-6031 |
| J K Communications 990 N Lake Shore Dr, Chicago 60611 | (312) 255-8020 |
| Jump Communication 420 N Wabash Ave, Chicago 60611 | (312) 464-1986 |
| Mpd Communications 500 N Michigan Ave, Chicago 60611 | (312) 396-4036 |
| Yipes Communications 330 N Wabash Ave, Chicago 60611 | (312) 245-9540 |
| Watermark Communications 4246 N Winchester Ave, Chicago 60613 | (773) 472-1969 |
| Le Christian Communications 5202 S Cornell Ave, Chicago 60615 | (773) 493-9200 |
| Mdu Communications 1000 E 53rd St, Chicago 60615 | (773) 643-0410 |
| Raindance Communications 350 E Cermak Rd, Chicago 60616 | (312) 674-0076 |
| Ameritech Communication Ctr 1334 E 79th St, Chicago 60619 | (312) 933-1171 |
| Magic Video 1319 W Morse Ave, Chicago 60626 | (773) 262-5555 |
| Star Communications 7212 N Clark St, Chicago 60626 | (773) 338-2021 |
| Unscribbled 6750 N Greenview Ave, Chicago 60626 | (773) 983-3306 |
| On-Point Communications Inc 10616 S Vernon Ave, Chicago 60628 | (773) 821-9813 |
| South West Communications 6200 S California Ave, Chicago 60629 | (773) 776-3474 |
| Unwired Communications 4463 W Lawrence Ave, Chicago 60630 | (773) 777-6985 |
| Global Communications 5255 W Madison St, Chicago 60644 | (773) 379-1519 |
| Groupone Communications Inc 6337 N Kirkwood Ave, Chicago 60646 | (773) 777-7412 |
| Star Communications 1450 N Cicero Ave, Chicago 60651 | (773) 473-4405 |
| P K Wheeler Communications 6050 N Hermitage Ave, Chicago 60660 | (773) 419-5889 |
| Transline Communications Inc 1458 W Hood Ave, Chicago 60660 | (312) 258-0501 |
| M 2 Communications 555 W Madison St, Chicago 60661 | (312) 714-1700 |
| Yipes Communications 525 W Monroe St, Chicago 60661 | (312) 831-0644 |