1. Association for Emissions Control by Catalyst
AECC
2. BASF SE
3. Bosal International
4. Clariant AG
5. CORMETECH Inc.
6. DCL International Inc.
7. Heraeus Holding
8. Interkat Catalyst GmbH
9. Johnson Matthey
10. Shell PLC
11. Sinocat Environmental Technology Co. Ltd.
12. Solvay Group
13. Tenneco Inc.
14. Umicore India Pvt. Ltd.
15. Zeolyst International Inc.