1. Abracon LLC
2. Arrow Electronics Inc.
3. Daishinku Corporation
4. Greenray Industries Inc.
5. KYOCERA Corporation
6. Maxim Integrated by Analog Devices Inc.
7. Mercury Inc.
8. MTI-Milliren Technologies Inc.
9. Murata Manufacturing Co. Ltd.
10. Nihon Dempa Kogyo Co. Ltd.
11. Nippon Crystal Inc.
12. Rakon Limited
13. Raltron Electronics (Rami Technology USA LLC)
14. Renesas Electronics Corporation
15. Siward Crystal Technology Co. Ltd.