| Business | Phone |
| Antagi Manufacturing Co 6040 S Racine Ave, Chicago 60636 | (773) 434-9723 |
| Ashland Stereo & Burglar Alarm 508 N Ashland Ave, Chicago 60622 | (312) 666-7919 |
| Audio Consultants 839 N Clark St, Chicago 60610 | (312) 642-5950 |
| Bang & Olufsen 15 E Oak St, Chicago 60611 | (312) 787-6006 |
| Bose Store 111 N State St, Chicago 60602 | (312) 236-2840 |
| Bose Store 55 E Grand Ave, Chicago 60611 | (312) 595-0152 |
| Chicago Audio 3933 W 63rd St, Chicago 60629 | (773) 735-8833 |
| Custom Audio Design 2234 W Arthur Ave, Chicago 60645 | (773) 274-2100 |