Axens SA
BASF SE
Chimet S.p.A. China Petroleum & Chemical Corporation (Sinopec)
Clariant AG
Evonik Industries AG
Halder Topsoe A/S
Hangzhou Kaida Metal Catalyst And Compounds Co. Ltd. Heraeus Holding GmbH
Jinchuan Group Co. Ltd. Johnson Matthey plc
Kaili Catalyst New Materials Co. Ltd. LyondellBasell Industries N.V. N.E. Chemcat Corporation
Sabin Metal Corporation
Shaanxi Kaida Chemical Co. Ltd. Shaanxi Rock New Materials Co. Ltd. Shell plc
Takasago International Corporation
Umicore NV/SA
UOP LLC
W. R. Grace and Company
Zeolyst International