| Business | Phone |
| A S Eagle Wireless Inc 2412 W 71st St, Chicago 60629 | (773) 434-2100 |
| Advance Service 1135 W Madison St 3, Chicago 60607 | (312) 666-0003 |
| And Communications 6160 W 60th St, Chicago 60638 | (773) 229-0024 |
| Appia Communications 820 W Jackson Blvd, Chicago 60607 | (312) 756-1710 |
| Global Communications Solution 2000 N Racine Ave 4500, Chicago 60614 | (773) 248-8686 |
| Basic 3 1222 W Grand Ave, Chicago 60622 | (312) 243-0003 |
| Bean Productions Inc 4507 N Ravenswood Ave 108, Chicago 60640 | (773) 989-7600 |
| Bell Nexxia 350 E Cermak Rd, Chicago 60616 | (312) 808-9120 |
| Full Circle Communications 330 N Wabash Ave L2, Chicago 60611 | (312) 329-1996 |
| Future Mobile Usa 833 W Washington Blvd, Chicago 60607 | (312) 850-2933 |
| C B Communications Inc 4737 S Kimbark Ave, Chicago 60615 | (773) 373-8150 |
| Focus Empire 1243 W Addison St, Chicago 60613 | (773) 472-1435 |
| Catherine Hug Communications 1327 N Clark St, Chicago 60610 | (312) 943-1130 |
| Chelsea Associates 121 W Goethe St, Chicago 60610 | (312) 642-1323 |
| Chicago Wireless 2450 N Milwaukee Ave, Chicago 60647 | (773) 486-1500 |
| Chicagoland Communications Inc 6909 S Holly Cir, Chicago 60601 | (312) 540-9800 |
| Dow Creative 213 W Institute Pl, Chicago 60610 | (312) 922-1870 |
| Cic Consulting Inc 1441 W Rosemont Ave, Chicago 60660 | (773) 338-7883 |
| Citigate Communications 343 W Erie St 600, Chicago 60610 | (312) 944-7398 |
| Discount Phone Cards Ii 3547 W Armitage Ave, Chicago 60647 | (773) 252-8600 |
| Designed Communications Prcss 8700 W Bryn Mawr Ave, Chicago 60631 | (773) 714-5085 |
| Di Maggio Telecom Systems 6010 N Northwest Hwy, Chicago 60631 | (773) 775-9903 |
| Deborah Hawkins Communications 1925 W School St 2, Chicago 60657 | (773) 281-6683 |
| Danis-Sliter Enterprises Chicago 60657 | (312) 266-6396 |
| Conecta Communications 5215 S Archer Ave, Chicago 60632 | (773) 762-4060 |
| D K & A Inc 1525 E 53rd St 1004, Chicago 60615 | (773) 955-0560 |
| Cushman-Amberg Communications 30 N Michigan Ave, Chicago 60602 | (312) 263-1197 |
| Custom Communications Svc 605 W Madison St, Chicago 60661 | (312) 902-2373 |