Saudi Aramco is responsible for supplying fuel and maintaining fuel installations. These include six large tanks with a capacity of 40,000 barrels each, in addition to pumping equipment, filters, loading stations, and the distribution valve network. Saudi Aramco operates regular flights for its personnel, which originate from Dammam to cover Haradh, Tanajib, Shaybah, Hawtah, Al Ahsa, Khurais, Riyadh, Jeddah and Yanbu, using Boeing 737 and Dash-8 equipment.