The Arabian Petroleum Supply Co. SA (APSCO) was established in 1960 as a joint stock company by shares in partnership with Mobil Corporation (now Exxon Mobil). The Saudi partners have now acquired Exxon Mobil's share and APSCO is now a  100% Saudi owned company. Its activities include marketing of Mobil lubricants, petroleum products, aviation fuels and marine bunkers throughout the Kingdom of Saudi Arabia. APSCO is the largest and longest serving private sector company of this nature within the Kingdom, with a well-earned reputation for service, technical support and commitment to its sizable customer base.

Mobil lubricants marketed in Saudi Arabia are imported for specialty products and locally blended for all other products. The supply network services the retail sector (motorists) as well as industrial, marine and agricultural sectors.

APSCO is a long term supplier of aviation fuels to the national carrier, Saudi Arabian Airlines at several airports in the Kingdom and currently is Saudi Arabian Airlines' sole supplier at the King Abdulaziz International Airport, Jeddah. It also provides fuels to other international airlines.

At the Jeddah Islamic Port, APSCO provides bunkering and marine lubricating oils to ocean-going ships on a 24-hour basis, utilizing a fleet of bunkering barges. It also transports petroleum products between various seaports in the west coast of the Kingdom of Saudi Arabia.