Braskem S.A. Chevron Phillips Chemical Company LLC
China Petroleum & Chemical Corporation (Sinopec)
Cymetech Corporation (Sojitz Corporation)
ENEOS Corporation
Kolon Industries Inc. LyondellBasell Industries Holdings B.V. Maruzen Petrochemical Co. Ltd. NOVA Chemicals Corporation
PJSC Nizhnekamskneftekhim
Shandong Qilong Chemical Co. Ltd. Shell plc
Texmark Chemicals Inc. The Dow Chemical Company
YEOCHUN NCC CO. LTD
ZEON Corporation