| Business | Phone |
| Amc & We 205 N Michigan Ave 803, Chicago 60601 | (312) 938-3134 |
| Att Media Svc 5711 S Western Ave, Chicago 60636 | (773) 476-3390 |
| Encore Media 111 E Wacker Dr # 918, Chicago 60601 | (312) 938-8900 |
| Digidallcom Inc 500 W Cermak Rd, Chicago 60616 | (773) 545-7885 |