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

Tambour LTD. Paint & Chemical Indusrties, Netania, Izrael

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

VGSI, Phú Mỹ, Vietnam

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

Lafarge, Saraburi, Tajlandia

Global Gypse Company, Oran, Algieria

National Gypsum Company, Dammam, Arabia Saudyjska

National Siqueira Mineracao, Ipubi, Brazylia

AlinaPro, Ałmaty, Kazachstan