1.Solvay S.A.
2.Arkema S.A.
3.Evonik Industries AG
4.Mitsubishi Gas Chemicals Company
5.Nouryon Holding B.V.
6.FMC Corporation
7.Santoku Chemicals Industries Co. Ltd.
8.Chang Chun Petrochemical Co. Ltd
9.Hansol Chemical Co. Ltd.
10.Kemira Oyj