South Zagros oil and gas Production Company
South Zagros oil and gas production company, based in Shiraz, is in charge of producing oil and gas from the fields located in provinces such as Fars, Hormozgan ,Boshehr, Kohgiloyeh & boyerahmad and Charmahal & bakhtiyari. This company is responsible for providing gas and condensate from independent gas fields in four operational regions including Nar & Kangan, Aghar & Dalan, Sarkhon, and Parsian. It also produces oil from new oil fields such as Sarvestan and Saadat Abad fields. Part of gas outlet of the company is transferred to fields of National Iranian South Oil Companyand major part is transferred to refineries under National Iranian Gas Company. Company's condensate is sent to Shiraz, Bandar Abbas, Parsian and Fajr Jam refineries and Bandar Taheri for export.
East oil and gas Production Company
East Oil and Gas Production Company, based in Mashhad city, is one the three ICOFC subsidiaries within Khorasan Razavi, Northern and Southern Khorasan provinces. There are two gas fields under EOGPC, named Khangiran and Gonbadli, which supply gas demand of North and East part of the country. Company's gas output is transferred to Shahid Hashemi Nejad gas refinery before consumption.
West oil and gas Production Company
West Oil and Gas Production Company, based in Kermanshah, is one of the three ICOFC subsidiaries within Kermanshah, Illam, Khozestan and Lorestan provinces. This company is responsible for oil and gas production from Cheshmehkhosh, Dehloran, Sarkan/ Maleh kuh, Naftshahr and Tang-e-bijar operational regions.