Solvay Chem, Akzo Nobel, BASF, Olin Chlor Alkali, Arkema, AGC, Surpass Chem, Ineos, Occidental, Sumitomo Chem, FMC, ICL Industrial Products, Jiheng Chemical, Nankai Chemical, Ercros S.A., Heze Huayi, Shikoku Chemicals, Nippon Soda, Zeel Product, Nissan Chemical, Lonza, Salt & Chemical Complex, Weilite, Nanke, Axiall, Barchemicals, Natural Chemistry, Clorox Pool & Spa, Robelle, United Chemical Corp