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 material and petrochemical products, and its derivatives. The company also provides benzene, cyclohexane, and motor gasoline; and ethylene, styrene, propylene, high density polyethylene, polypropylene, polystyrene, and hexene-1. Saudi Industrial Investment Group was founded in 1996 and is based in Riyadh, the Kingdom of Saudi Arabia.