1. Accuprobe Corporation
2. Chunghwa Precision Test Tech. Co. Ltd.
3. FEINMETALL GmbH
4. FICT LIMITED
5. FormFactor Inc.
6. GGB Industries Inc.
7. htt high tech trade GmbH
8. JAPAN ELECTRONIC MATERIALS CORPORATION
9. Jenoptik AG
10. Korea Instrument Co. Ltd.
11. Micronics Japan Co. Ltd.
12. MPI Corporation
13. Nidec SV Probe Pte. Ltd.
14. PPI Systems Inc.
15. Probe Test Solutions Ltd.
16. PROTEC MEMS Technology
17. RIKA DENSHI CO. LTD.
18. Seiken Co. Ltd.
19. Shenzhen Fastprint Circuit Tech Co.LTD.
20. STAr Technologies Inc.
21. Suzhou Silicon Test System Co. Ltd.
22. Synergy Cad Group
23. Technoprobe S.p.A.
24. TOHO ELECTRONICS INC.
25. TSE Co. Ltd.
26. Wentworth Laboratories Inc.
27. WinWay Technology Co. Ltd.
28. Yamaichi Electronics Co. Ltd.