List of manufacturers and brands:

Ameradio Batteries (2)	Ameradio Commo (8)
Astron (2)	Bee Electronics (3)
BK Technologies (Relm) (94)	Cadex (14)
DuraComm (10)	EMR Corporation (48)
Eupen (7)	Funke Avionics (Walter Dittel) (30)
Icom (124)	Kenwood (84)
Maxon (TecNet) (40) Maxon / Topaz3 (now part of Midland Radio Corporation)	Midian Electronics (21)
Motorola USA (36)	Multiplier (2)
Otto Engineering (19)	Power Products (13)
Pryme (18)	Telewave Inc (55)