Firmen:

C-Young
Casecom
Casing Macron
Channel Well
Chenbro
Chicony
Chieftec
Chill Innovation
Club 3D
CompUSA
Coba
(see more under Inter-Tech)
Codegen
Comix
Conceptronic
Conda
Cooler Master
Cooling Well
Coolmax
Cooltek
Corsair
Cougar
Cresun

DAR
Dbetter
Deer
Dell
Delta
Dongguan Zhangmotou
Dynapower
Dynex