1. Ashland Inc.
2. BASF SE
3. Bisley International
LLC
4. CEMEX
S.A.B. de C.V.
5. Evonik Industries AG
6. Jinan Maissen New Material Co. Ltd.
7. MAPEI S.p.A.
8. MIKEM Chemical
9. Nouryon Chemicals Holding B.V.
10. RPM International Inc.
11. Rudolf GmbH
12. Sika AG
13. The Dow Chemical Company
14. Wacker Chemie AG
15. Zeiplast Chemical Industries Ltd.