AIR PRODUCTS
AKZO NOBEL CHEMICALS INC.
ALBEMARLE CORPORATION
AMERICAS INTERNATIONAL, INC.
AMPACET CORPORATION
ARCH CHEMICALS INC.
ARCLIN USA INC.
ARKEMA INC.
ASCEND PERFORMANCE MATERIALS
A. SCHULMAN INC.
ASHLAND INC.
ASIA CHEMICALS INC.
A-TOP POLYMERS, INC.
BAMBERGER POLYMERS, INC.
BASF CORPORATION
BAYER CORPORATION
BLUESTAR SILICONES
BP AMOCO CHEMICALS INC.
BRASKEM S.A.
CELANESE LTD
CHEMTRADE PERFORMANCE CHEMICALS
CHEVRON PHILLIPS CHEMICAL CO LP
CLARIANT CORPORATION
COGNIS CORPORATION
CYTEC INDUSTRIES INC.
DOW CHEMICAL COMPANY, THE
EASTMAN CHEMICAL COMPANY
EQUISTAR CHEMICALS L P
EVONIK GOLDSCHMIDT CORPORATION
EVONIK STOCKHAUSEN INC.
EXXONMOBIL CHEMICAL COMPANY
FERRO CORPORATION
FMC CORPORATION
FORMOSA PLASTICS
GENERAL CHEMICAL CORPORATION
GEORGIA GULF CORPORATION
HARWICK STANDARD
HOUGHTON INTERNATIONAL INC.
HUNTSMAN CORP
INEOS STRYENICS, LCC
INEOS USA LLC
ISP TECHNOLOGIES
ITOCHU CHEMICALS AMERICA INC.
KRONOS WORLD WIDE INC.
LANXESS CORPORATION
LION COPOLYMERS HOLDING, LLC
LUBRIZOL ADVANCED MATERIALS INC.
LYONDELL BASELL INDUSTRIES
MARATHON PETROLEUM COMPANY LLC
M. HOLLAND COMPANY
MILLIKEN AND COMPANY
MILLENNIUM
MONTACHEM INTERNATIONAL, INC.
NEXIS RESIN GROUP, LLC
NORFALCO, INC.
NOVA CHEMICALS CORPORATION
OCCIDENTAL CHEMICAL CORP
OLD WORLD INDUSTRIES
OSTERMAN & COMPANY
PENOLES METALS & CHEMICALS, INC.
POLYONE CORPORATION
POLYONE DISTRIBUTION
POTASH CORP,
PPG INDUSTRIES INC.
R T VANDERBILT COMPANY INC.
RAVAGO HOLDINGS AMERICA INC.
RHODIA INC.
SABIC INNOVATIVE PLASTICS
SARTOMER COMPANY INC.
SASOL NORTH AMERICA
SEKISUI SPECIALTY CHEMICALS
SHELL CHEMICAL L P
SHINTECH INCORPORATED
SOJITZ CORPORATION OF AMERICA
SOLUTIA INC.
STEPAN COMPANY
SUNOCO INC - POLYMERS
TRADEMARK PLASTIC CORP.
TEKNOR APEX COMPANY
TOTAL PETROCHEMICALS USA
TRONOX
TROY CHEMICAL
TRUTH CHEMICAL
UNIVAR USA INC
VINMAR GROUP
WESTLAKE CHEMICAL CORP
