- P&J Audio
- Loud Music
- Advanced Auto Sound. Flint, Mi
- skoryautosound
- soundwaves
- First Class Auto
- Toys with Noise
- AutoXtras
- Pilarchio's
- Car Tunes
- Music Masters Electronics
- SOUNDS n MOTION
- Advanced Car Electronics
- Buzz Off Auto
- Sound Waves
- Jam Sound Specialists
- RKST - Auburn Hills
- Mr. Tunes - Jackson, MI
- Dashworks...anyone?
- michigan
- Swift Audio
- Redmonds, Saginaw