Accuratus Corporation, AGC Chemicals Americas, CoorsTek, H.C. Starck Inc. - Fabricated Products Group, Miles Scientific, Saint-Gobain Coating Solutions, Saint-Gobain NorPro, Technical Glass Products, OMEGA Engineering, 3M Advanced Materials Division, Aremco Products?, CerCo, Chemical Strategies, Corning Specialty Materials, Dal-Tile Corporation, Kyocera Corporation, LECO Corporation, Morgan Advanced Materials, NDK, Oerlikon Metco, Rath Incorporated, Robuster Quartz, Abrisa Technologies