National Gypsum Company SJSC is a Saudi Arabia-based public shareholding company engaged in the production of gypsum and gypsum derivatives. The Company specializes in the production of gypsum plaster (stucco plaster), which consists of four types: machine gypsum plaster, agricultural gypsum, gypsum fixing plaster and plaster for decorative items. The Company also produces plasterboard, including produces plasterboard, including regular, fire-resistant, moisture-resistant, fire- and moisture-resistant, and boards laminated with lead sheet, as well as laminated gypsum tiles. The Company operates through its branches and manufacturing facilities located in Riyahd, Dammam and Yanbu in Saudi Arabia, and exports its products worldwide. The Company owns stakes in Qatar Saudi Gypsum Company, Pan Gulf Industrial Investment Co., Kayan Petrochemical Co. and Tabuk Cement Co.