BASF SE
Celanese Corporation
Dow Inc. Wacker Chemie AG
Ashland Inc. Synthomer plc
Organik Kimya San. Tic. A.S
VINAVIL S.p.A. Dairen Chemical Corporation
Shanxi Sanwei Group Co. Ltd
Bosson Union Tech (Beijing) Co. Ltd
Acquos Pty Ltd. Kuban Polymer
Archroma
Guangzhou Yuanye Industrial