1. APC International
Ltd.
2. Argo Technology Co. Ltd.
3. ARKEMA INC.
4. CeramTec GmbH
5. HONDA ELECTRONICS Co.LTD.
6. KYOCERA Corporation
7. L3Harris Technologies Inc.
8. Meggitt PLC.
9. Mide Technology Corporation
10. Murata Manufacturing Co. Ltd.
11. Omega Piezo Technologies
12. Piezo Kinetics Inc.
13. Piezosystem Jena GmbH
14. Sensor Technology
15. Siansonic Technology Limited
16. Solvay S.A.
17. Sparkler Ceramics Pvt. Ltd.
18. TDK Electronics AG
19. TRS Technologies Inc.
20. Zibo Yuhai Electronic Ceramic Co. Ltd.