ClarkPowerSystems
Clark-Reliance
CLARK
Clare
Clamcleats
CLAKE（奥）
Clake & Fololo
CLAKE
CLA-VAL
CL-Bergmann
CKTOOLS（英）
CKTOOLS
Cistermiser
CISCO
Cirrus Logic
Cirronet
Ciro-Electric
Circutor
Circuitworks
CircuitCo
