• BASF SE
• LG Chem Ltd. (LG Corporation)
• Formosa Plastics Group
• Evonik Industries AG (RAG-Stiftung)
• Kao Corporation
• Sanyo Chemical Industries
Ltd.
• Songwon Industrial Co. Ltd.
• Nippon Shokubai Co. Ltd.
• Sumitomo Seika Chemicals Co. Ltd.
• Chase Corporation