1. Akzonobel N.V.
2. Bangs Laboratories Inc.
3. Chase Corporation
4. Cospheric LLC
5. Dennert Poraver GmbH
6. Luminex Corporation
7. Matsumoto Yushi-Seiyaku Co. Ltd
8. Microsphere Technology Ltd
9. MO SCI Corporation
10. Momentive Performance Materials Inc.
11. Polysciences Inc.
12. Potters Industries LLC
13. Qingdao Eastchem Inc.
14. Sigmund Lindner GmbH
15. Spherotech Inc.
16. The 3M Company
17. The Kish Compmay Inc.
18. Trelleborg AB