National Gypsum Company engages in the manufacture and trading of gypsum and its derivatives in the Kingdom of Saudi Arabia. The company offers gypsum powder products, such as plastering, sprinkling, spraying machine, adhesive, agricultural, and other gypsum products. It also provides regular, and fire and moisture resistant plaster boards; and boards laminated with lead sheet. The company was founded in 1958 and is headquartered in Riyadh, the Kingdom of Saudi Arabia.