Adorondi	Collett Electronics	MBL
Air Rider	Commander Comm	Nakamichi
Alpine	Crutchfield	Nady Systems
AutoCom	CustomCrusiers	Pioneer
BikeCom AU	Electrical Connection	Radio Sound
Blaupunkt	Fosgate	Reading Electronic Services
Boostaroo	Harmon (JBL)	Sierra Electronics
Bose	J & M Corp.	Sony
CB Intercom	JVC	Speed-O-Tach
ChatterBox	Kennedy Tech	Tank Tunes
Clarion	Kenwood	TuneTown
Cobra Elect.