| Business | Phone |
| Almas Hi-Fi Stereo Inc 4354 N Woodward Ave, Royal Oak 48073 | (248) 549-8090 |
| Audio Dimensions 31968 Woodward Ave, Royal Oak 48073 | (248) 549-7320 |
| Sound Installations Inc 1212 Lawndale Dr, Royal Oak 48067 | (248) 542-1740 |
| Mickey Shorr's 25920 Woodward Ave, Royal Oak 48067 | (248) 398-7204 |