Advanced Bioenergy LLC; Andersons Ethanol Group; Archer Daniels Midland Company; Aventine Renewable Energy; Braskem; British Petroleum; Cargill Corporation; Green Plains Inc.; Kirin Holding Company; LyondellBasell Industries NV; Mitsubishi Chemical Corporation; Pacific Ethanol Inc.; SABIC; Sasol Limited; POET; Solvay Group; Valero; INEOS Group Holdings SA; Merck Millipore (U.S.)