CHIMEI Corporation
Covestro AG
Formosa Plastics Group
Hainan Huasheng New Material Technology Co., Ltd.
Henan Pingmei Shenma Polycarbonate Material Co., Ltd.
Kazanorgsintez PJSC
Khuzestan Petrochemical Company
LG Chem Ltd
Lihuayi Weiyuan Chemical Co., Ltd.
LOTTE Chemical Corporation
Mitsubishi Chemical Corporation
Mitsubishi Engineering Plastics Corporation
Saudi Basic Industries Corporation (SABIC)
Sichuan Zhonglan Guosu New Materials Technology Co., Ltd.
Sinochem Holdings Corporation Ltd.
Sinopec Shanghai Gaoqiao Petrochemical Co., Ltd.
Sumitomo Chemical Co Ltd
Teijin Limited
Trinseo LLC
Wanhua Chemical Group Co., Ltd.
Zhejiang Petroleum & Chemical Co., Ltd.