1. Agilent Technologies Inc.
2. Angstrom Advanced Inc.
3. Anton Paar GmbH
4. Avantes BV
5. Bruker Corporation
6. Endress+Hauser Group Services AG
7. Enhanced Spectrometry Inc.
8. Foster + Freeman Ltd.
9. Hamamatsu Photonics K.K.
10. Horiba Ltd.
11. Jasco Europe S.R.L.
12. Malvern Panalytical Ltd
13. Metrohm AG
14. Mettler-Toledo International Inc.
15. Ocean Optics Inc.
16. Optosky Company
17. Ostec Corporate Group
18. Oxford Instruments PLC
19. PerkinElmer Inc.
20. Renishaw PLC
21. Rigaku Corporation
22. Serstech AB
23. SOLAR LS
24. STANDA LTD
25. StellarNet Inc.
26. Techcomp Scientific
27. Teledyne Digital Imaging US Inc.
28. Thermo Fisher Scientific Inc.
29. Timegate Instruments Ltd.
30. Tornado Spectral Systems Inc.