1. 3M Company
2. Akebono Brake Industry Co. Ltd.
3. Anand NVH Products
4. BASF SE
5. Boge Rubber & Plastics Brasil S.A. by CRRC New Material Technologies GmbH
6. Borgers SE & Co. KGaA
7. Canada Rubber Group
8. Covestro AG
9. Exxon mobil Corporation
10. Henkel Corporation
11. Huntsman International LLC
12. JBC Technologies Inc.
13. John Cotton Group Ltd.
14. Kejian Polymer Materials (Shanghai) Co. Ltd.
15. Nitto Denko Corporation
16. Ramsay Rubber Limited
17. Seal Methods Inc.
18. SGS S.A.
19. Sika AG
20. Solvay S.A.
21. Sumitomo Riko Co. Ltd.
22. The Dow Chemical Company
23. Vibracoustic SE
24. Warren Nonwovens Ltd.
25. Yantai Ishikawa Sealing Technology Co. Ltd.