Great Lakes Textiles (US)
Morgan Advanced Materials (UK)
Rath-Group (Austria)
Unifrax I LLC (US)
Lydall
Inc (US)
Thermost Thermotech Co. Ltd (China)
Ibiden Co. Ltd (Japan)
Grupo Nutec
SA (Mexico)
and KT Refractories US Company (US) and Yeso Insulating Products Company Limited (China)