Guardian Luxguard II S.à.r.l. , Luxemburg

Tambour LTD. Farben- und Chemieindustrie, Netania, Israel

Taiwan Glass Qingdao Glass Co., Ltd., Qingdao, China

VGSI, Phú Mỹ, Vietnam

Liling Kibing Electronic Glass Co., Ltd, Liling, China

Lafarge, Saraburi, Thailand

Global Gypse Company, Oran, Algerien

National Gypsum Company, Dammam, Saudi-Arabien

National Siqueira Mineracao, Ipubi, Brasilien

VGSI, Phú Mỹ, Vietnam