AGC Inc. Compagnie De Saint Gobain S.A. Fuso Glass India Pvt Ltd. Nippon Sheet Glass Co. Ltd. Pyroguard Engineers Pvt. Ltd. Promat International NV (Etex Group)
Ravensby Glass Co. Ltd. (Malcolm
Ogilvie & Co. Ltd. Group)
Schott AG (Carl-Zeiss-Stiftung)
Safti First Fire Rated Glazing Solutions (O’Keeffe’s Inc.) and Technical Glass Products Inc. (Allegion Plc)