| Business | Phone |
| 301 Media 980 N Michigan Ave, Chicago 60611 | (312) 944-8870 |
| Airstream Audio 435 N La Salle Dr, Chicago 60610 | (312) 645-0223 |
| Ben Moon Inc 4507 N Ravenswood Ave, Chicago 60640 | (847) 674-6172 |
| Bookwriters Anonymous 401 N Michigan Ave 340, Chicago 60611 | (312) 527-7170 |
| Clear Image Media 2415 W Pratt Blvd, Chicago 60645 | (773) 973-7199 |