| Business | Phone |
| Metromedia Fiber Network Svc 700 S Federal St, Chicago 60605 | (312) 697-9080 |
| Syntegra 417 S Dearborn St, Chicago 60605 | (312) 386-1371 |
| Mfs Colocate 800 S Wells St, Chicago 60607 | (312) 922-4515 |
| Utilicor Technologies 411 S Wells St, Chicago 60607 | (312) 427-9071 |
| Contracting & Material Co 2623 S Eleanor St, Chicago 60608 | (312) 567-0298 |
| Ritchie Court Utility Lines 1313 N Ritchie Ct, Chicago 60610 | (312) 649-0315 |
| National Cable Communications 444 N Michigan Ave 1600, Chicago 60611 | (312) 279-9600 |
| Imzati International Inc 8910 S East End Ave, Chicago 60617 | (773) 221-9100 |
| Mexi Telecom Specialist Inc 3300 N Knox Ave, Chicago 60641 | (773) 545-8159 |
| Energy 2 Install Inc 2640 W Touhy Ave 210, Chicago 60645 | (773) 743-4000 |
| Well Connected 2616 W Farwell Ave, Chicago 60645 | (773) 338-4070 |