| Business | Phone |
| Joe Bluebird Digital Studio 2000 W Carroll Ave 402, Chicago 60612 | (312) 951-0173 |
| Phonology 1856 W Grand Ave, Chicago 60622 | (312) 733-7529 |
| Soma Electronic Music Studios 1158 N Damen Ave, Chicago 60622 | (773) 342-9964 |
| Prestige Studio 7548 N Milwaukee Ave, Chicago 60631 | (773) 775-4165 |
| L M Music Inc 2633 N Avers Ave, Chicago 60647 | (773) 276-3679 |
| Progressive Result Ltd 1658 N Milwaukee Ave, Chicago 60647 | (773) 489-5331 |