1. Albemarle Corporation
2. Amcrys
3. AMETEK Inc.
4. Berkeley Nucleonics Corporation
5. Compagnie de Saint-Gobain S.A.
6. CRYTUR Spol.s.r.o.
7. Dynasil Corp.
8. Eljen Technology
9. Envinet GmbH
10. GeeBee International
11. Hamamatsu Photonics K.K.
12. Hangzhou Shalom Electro-optics Technology Co. Ltd.
13. Hitachi Metals Ltd.
14. LTD Systems Inc.
15. Ludlum Measurements Inc.
16. Mirion Technologies Inc.
17. Mitsubishi Chemical Group Corporation
18. Nihon Kessho Kogaku Co. Ltd.
19. Nucleonix Systems
20. Radiation Monitoring Devices Inc,
21. Rexon Components Inc.
22. Scintacor Limited
23. Scionix Holland B.V.
24. Standard Imaging Inc.
25. Zecotek Imaging China Ltd.