Asahi Fiber Glass Co. Ltd. (Ypshino Gypsum co. Ltd)
Braj Binani Group
China Jushi Co. Ltd. Chongqing Polycomp International Corp. Compaigne De Saint-Gobain S.A. Johns Manville (Berkshire Hathaway Inc.)
Knauf Insulation
Nippon Electric Glass Co. Ltd. Owen Corning
PFG Fiber Glass Corporation (Nan Ya Plastics Corporation)
Taishan Fiberglass Inc. (Sinoma Science & Technology Co. Ltd.)
and Taiwan Glass Industry Corporation
etc.