AGIO International Limited American Porcelain Enamel Company of Dallas Al-Khudair Company for Industrial Trading Bradmark Industrial Coatings Canadian Porcelain Products Cherokee Porcelain Enamel Corporation Custom Ceramic Coatings, Inc. Dwyer Products Corporation ECA Electronics Eisenmann Corporation Enamco Co., Inc. Enamel Products SDN. BHD Erie Ceramic Arts Company, The Esmaltados Alfher, S. A. de C. V. Feldkircher Fireform Porcelain Hanson Porcelain Company Jotul North America Lochinvar Industries

Monarch Ware, Inc. Nemiroff Corporation Pacific Energy Fireplace Products, Ltd. P.G. Bell, Inc. Polyvision Corporation Porcelain Industries, Inc. Prizer-Painter Stove Works, Inc. Roesch, Inc. Southwestern Porcelain Steel Corporation Specialty Porcelain Co. Standard Signs, Inc. Uimco Ltd. Vermont Castings, Inc. Vitreous Steel, Inc.