Saltuk Düzyol

State Oil Company of Azerbaijan Republic engages in the exploration of oil and gas fields. It produces, processes, and transports oil, gas and gas condensate; markets petroleum and petrochemical products in domestic and international markets; and supplies natural gas to industry and the public. The company was founded on September 13, 1992 and is headquartered in Baku, Azerbaijan.

SOCAR Turkey Enerji AS operates as an investment holding company with interest in managing petrochemicals, renewable energy and container port operation businesses. It engages in building refineries to produce naphtha; manufactures petrochemical products for use in construction, agriculture, automotive, electrical, electronic, packaging, and textile industries; and raw materials for pharmaceuticals, paint, detergent, and cosmetics markets. The firm also provides container terminal operations and handling services; and engages in building wind power plants. The company was founded in 2008 and is headquartered in Istanbul, Turkey.

STAR Rafineri AS provides petroleum refinery services. The company is based in Maslak, Turkey. The Turkish company is ultimately controlled by the Government of Azerbaijan. The company was founded by Kenan Yavuz.

Socar Turkey Petrokimya AS is a Turkish company involved in oil and gas exploration, production, and marketing activities. The company is based in Istanbul, Turkey. Its business includes upstream, midstream, and downstream operations in Europe and Asia. The company is ultimately controlled by the Government of Azerbaijan. The company was founded in 2008 by Saffet Batu Aksoy, Erdal Aksoy, Banu Aksoy Tarakçýoðlu.