Company

• A. Schulman Inc.

• Acme Hardesty Co.

• Arkema Functional Additives

• Axel Plastics Research Laboratories, Inc.

• Basell Asia Pacific Ltd.

• Bayer MaterialScience LLC

• Borealis

• BYK

• C. W. Brabender Instruments, Inc. - Chemical Division

• Charles Ross & Son Company

• Chevron Phillips Chemical Company - Polyethylene

• Chevron Phillips Chemical Company, LP

• Croda Polymer Additives

• Custom Processing Services, Inc.

• Dover Chemical Corporation

• DSM NeoResins Inc.

• DuPont Titanium Technologies

• Eckart America L.P.

• Emerald Polymer Additives, LLC

• EMS-CHEMIE (North America) Inc. (Business Unit EMS-GRIVORY)

• EQUATE Petrochemical Company

• Esstech, Inc.

• Formosa Plastics Corp. U.S.A.

• Frank B. Ross, Inc.

• GLS Corporation

• Heucotech, Ltd. / Heubach

• Hoffmann Mineral

• Honeywell Plastics

• IMERYS Performance Minerals North America

• INDSPEC Chemical Corp.

• ISP (International Specialty Products)

• JLS Chemical Inc.

• KaMin, LLC (formerly Huber Kaolin)

• Konica Minolta Sensing Americas, Inc.

• Lixin Engineering Plastics Co.,Ltd.

• Mitsui Chemicals America, Inc.

• Monson Companies, Inc.

• Multibase, a Dow Corning Company

• Nanjing Julong Engineering Plastics Co., LTD

• Neville Chemical Company

• New Particle Chemical Colors Corp.

• Nubiola

• Nyacol Nano Technologies, Inc.

• OXEA

• Parkinson Technologies Inc.

• PhibroChem

• Phillips Sumika Polypropylene Company

• Piedmont Chemical Industries I, LLC

• Plastics Group of America

• Polymer Industries

• Polymer Resources LTD.

• Polyvel Inc.

• Reaxis Inc.

• Reliance Industries Limited, Swastik Mills Compound

• Rhodia Polyamide

• RTP Company

• SABIC Innovative Plastics

• Sartomer USA, LLC

• Shangyu Java Macromolecular Material Co.,Ltd.

• Sichuan Lomon Titanium Industry Co., Ltd.

• Silberline Limited

• SNCZ Société Nouvelle des Couleurs Zinciques

• Sonneborn

• Sundance Products Group, LLC

• Total Polymer Vision (Suzhou) Co.,Ltd.

• Unger

• Vydyne (a division of Solutia)

• Wacker Chemie AG - Silicone Elastomers