DOW Corning Corporation, Shin-Etsu Chemical Co., Ltd., Wacker Chemie AG, Momentive Performance Materials Inc., Bluestar Silicones (Elkem Group), ACC Silicones Ltd., Gelest Inc., KCC Corporation, Henkel, Siltech Corporation, Applied Silicone Corporation, North Cost Medical Inc., Novaguard Solutions, Silicone Solutions, Nusil Technology LLC.