DuPont de Nemours
Inc (US)
Lotte Advanced Materials Co. Ltd (South Korea)
LG Hausys (South Korea)
Guangdong Chuanqi Compound Stone Co.Ltd (China)
Marmil S.A. (Greece)
Nanan Guang Tai Xiang Stone Co. Ltd (China)
Pengxiang (China)
Wanfeng Compound Stone Technology Co. Ltd. (China)
Shanghai Meyate Group (China)
Samsung Stone Industry Co. Ltd. (China)
Yunfu Liji Stone Co. Ltd (China)
Bitto Industry (Dongguan) Co. Ltd. (China)
and Jordan Marble and Granite (US)