1. Alpha Chemika
2. BioGnost d.o.o.
3. Cargille-Sacher Laboratories Inc.
4. Carl Zeiss AG
5. Central Drug House (P) Ltd.
6. DermLite LLC
7. Electron Microscopy Sciences
8. Exxon Mobil Corporation
9. Fusion Biotech
10. Hawksley & Sons Ltd.
11. Honeywell International Inc
12. Idemitsu Kosan Co.Ltd.
13. Jyoti Chemicals
14. Leica Microsystems
15. Meiji Techno
16. Merck KGaA
17. Nikon Instruments Inc.
18. Olympus Life Science
19. Optika Srl
20. Otto Chemie Pvt. Ltd.
21. RXChemicals
22. Suvchem Laboratory Chemicals
23. Thermo Fisher Scientific Inc.
24. Volu-Sol
25. Zama Chemical