Shibh Al Jazira Contracting Company (SAJCO) is a leading Saudi Arabian closed joint stock construction company.SAJCO specializes in civil construction works and projects which include roads, bridges tunnels, dams, water tanks, water and sewage networks, storm water, buildings, electro-mechanical works, airport facilities and deep foundations. The company has maintained a leading position in the maintenance of road networks, as well as maintenance of water and sewage networks, and water treatment plants.