API Delevan
Bourns Inc.
Coilcraft Inc.
Cyntec Co. Ltd. BY Delta Electronics Inc.
Eaton Corporation PLC
HALO Electronics Inc.
Hitachi Limited
Knitter-Switch GmbH & Co.KG
KYOCERA AVX Components Corporation by Kyocera Corporation
Laird Technologies Inc.
Littelfuse Inc. by Teccor Electronics Inc.
Magnetic Circuit Elements Inc.
MH&W International Corp.
Mouser Electronics Inc. by Berkshire Hathaway Inc.
MPS Industries Inc.
Murata Manufacturing Co. Ltd.
Schaffner Holding AG
Shenzhen Sunlord Electronics Co. Ltd.
STMicroelectronics International N.V.
Sumida Corporation
TAI-TECH Advanced Electronics Co. Ltd.
Taiyo Yuden Co. Ltd.
Tamura Corporation
TDK Corporation
Triad Magnetics
TT Electronics PLC
VACUUMSCHMELZE GmbH & Co. KG by Siemens & Halske AG
Vishay Intertechnology Inc.
W?rth Elektronik eiSos GmbH & Co. KG
Yageo Corporation