- Murata Manufacturing Co. Ltd.
- Samsung Electro-Mechanics Co. Ltd. Co. Ltd.
- Taiyo Yuden Co. Ltd.
- Yageo Corporation
- TDK Corporation Co. Ltd.
- Kyocera Corporation
- Walsin Technology Corporation
- KEMET Corporation
- Vishay Intertechnology Inc.
- Eyang Holdings Group Co. Ltd.
- API Technologies?
- Knowles Capacitors