Saudi Industrial Investment Group operates as a petrochemical company in the Kingdom of Saudi Arabia. It engages in the development, establishment, operation, management, and maintenance of petrochemical factories, as well as gas, petroleum, and other industries; and wholesale and retail trade of petrochemical products, and its derivatives. The company also provides benzene, cyclohexane, and motor gasoline; styrene and propylene; and high-density polyethylene, polypropylene, polystyrene, and hexane-1. Saudi Industrial Investment Group was incorporated in 1996 and is headquartered in Riyadh, the Kingdom of Saudi Arabia.