The National Gypsum Company is a closed Saudi joint-stock company.

Headquarters: Riyadh, Saudi Arabia. Additional major facilities: Factories in Yanbu and Al Kharj. Industry: Building materials — gypsum products (powder, board, plaster, etc.). Establishment: established in 2004 as a transformative force in the gypsum industry. Products & Capabilities: Their product range includes gypsum powder, plaster of Paris, ceramic plaster, agricultural gypsum, gypsum boards, joint tapes, fiber mesh, metal corner tapes, backing rods, etc. On gypsum boards: They historically intended to produce various types including regular, fire-resistant (GKF), moisture-resistant (GKI), and fire & moisture resistant boards (GKI-I) with lengths from 1,800 mm to 4,500 mm, widths 1,200 mm (and non-standard widths) and thicknesses from ~6.5 mm to 25 mm. Production capacity: combined annual capacity for the board production lines in Yanbu and Al Kharj is about 22 million square meters.