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

Tambour LTD. Paint & Chemical Indusrties, 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, Algeria

National Gypsum Company, Dammam, Saudi Arabia.

National Siqueira Mineracao, Ipubi, Brazil

VGSI, Phú Mỹ, Vietnam