1. BASF SE
2. BOSAL
3. Continental AG
4. Cormetech Inc.
5. Cummins Inc.
6. Delphi Automotive
7. Denso Corporation
8. Ebersp?cher Gruppe GmbH & Co. KG
9. Enviro-therm Ltd.
10. ESW Group
11. Faurecia
12. Johnson Matthey
13. Kautex Textron GmbH & Co. KG
14. Net Technologies Inc.
15. Plastic Omnium
16. Process Sensing Technologies
17. Robert Bosch GmbH
18. Rochling Group
19. Shell PLC
20. Solvay S.A.
21. Tenneco Inc.
22. Topsoe A/S
23. Toyota Motor Corporation
24. Umicore
25. Vizag chemical