• SABIC (Saudi Arabian Oil Company)
• Alfa
S. A. B. de C. V.
• BASF SE
• CHIMEI Corporation
• TotalEnergies SE
• INEOS Styrolution Group GmbH
• Atlas Roofing Corporation (Atlas Molded Products) (Hood Companies Inc.)
• Trinseo PLC
• LG Chem Ltd. (LG Corporation)
• Synthos S.A