TDK Corporation (Japan)
Vishay Intertechnology (U.S)
Delta Electronics (Taiwan)
Panasonic Corporation Ltd. (Japan)
Murata Manufacturing Co. Ltd. (Japan)
Chilisin Electronics Corp. Ltd (Taiwan)
ABC Taiwan Electronics Corp. Ltd. (Taiwan)
TT Electronics (U.K)
GCi Technologies (US)
Pulse Electronics (US)
Sumida (Japan)