Arkema S.A.; BASF SE; Dow Chemical Company; ?LG Chem Ltd.; Evonik Industries Ag; Exxon Mobil Corporation; Eastman Chemical Company; Ineos Group; UPC GROUP; Bluesail; Nan Ya Plastics; Aekyung Petrochemical; Shandong Hongxin Chemicals; Shangdong Qilo Plasticizers; Clariant International; Adeka; Kao Corporation; Lanxess AG