2. Apotex
3. Center for Indoor Air Research
6. Dow Chemical
8. Firmenich
9. GERSTEL
10. International Flavors & Fragrances (IFF)
11. Imperial Oil
12. Ionics
13. IonSense
15. Maxxam Analytics
16. Merck
19. P&P Optica
21. PerkinElmer
22. RESTEK
23. SCIEX
26. Shinwa Chemical Industries Ltd.
27. Smiths Detection
30. Unilever
32. VBM Science