1. Abracon LLC
2. AXTAL GmbH by Q-Tech Corporation
3. Citizen Finedevice Co.Ltd.
4. Connor-Winfield Corporation
5. Crystek Corporation
6. CTS Corporation
7. DAISHINKU CORP.
8. Diodes Incorporated
9. ECS Inc.
10. Edutek Instrumentation
11. Frequency Management International
12. Gorman-Redlich Mfg. Co.
13. Greenray Industries Inc.
14. Hosonic Technology (Group) Co. Ltd.
15. Intel Corporation
16. Jauch Quartz GmbH
17. KYOCERA Corporation
18. Marvell Technology Inc.
19. Microchip Technology Incorporated
20. Nihon Dempa Kogyo Co. Ltd.
21. Pletronics Inc.
22. Rakon Limited
23. Renesas Electronics Corporation
24. River Eletec Corporation
25. Seiko Epson Corporation
26. Seiko NPC Corporation by Seiko Group Corporation
27. ShenZhen Yangxing Technology Co. Ltd.
28. SiTime Corporation
29. SIWARD Crystal Technology Co. Ltd.
30. SPK Electronics Co. Ltd.
31. The Swatch Group Ltd.
32. TXC Corporation
33. Vishay Intertechnology Inc.
34. W?rth Elektronik eiSos GmbH & Co. KG
35. Yoketan Corporation