Lyondellbasell; Sinopec; Sabic; Exxon Mobil; Braskem; PetroChina; Reliance Industries; Formosa Plastics; Borealis;; Asahi Kasei Plastics; Mitsui Chemicals; Dupont; INEOS; Total S.A.; China Petrochemical Corporation; LG Chem; Sumitomo Chemical; Dynachem Co. Ltd.; E.I. du Pont de Nemours; HMC Polymers Co. Ltd; K Polymers Inc.; Scott Bader Company Limited; The Dow Chemical Company; BASF SE;; Toray Industries Inc.; Reliance Industries Limited; Lotte Chemical UK Ltd.