Listed by the European Union on October 16, 2012 as an entity acting on behalf of IRISL; removed from the E.U. list in January 2016 as part of the Joint Comprehensive Plan of Action; listed by the British government in 2015 as an entity of potential concern for WMD-related procurement, and has had export licenses both granted and denied by that government.

Subsidiaries, associates, and affiliates in Iran have reportedly included Ardabil Province Gas Company, Bidboland Gas Refinering Company, Bousheher Province Gas Company, CNG Company, Chahar Mahal and Bakhtiari Province Gas Company, East Azerbaijan Gas Company, Esfahan Province Gas Company, Fajr Gas Refinering Company, Fars Gas Company, Gas Engineering and Development Company, East Azerbaijan Gas Company, Gilan Province Gas Company, Golestan Province Gas Company, Hamedan Province Gas Company, Hormozgan Province Gas Company, Ilam Gas Refinering Company, Ilam Province Gas Company, Iran Gas Trade, Iranian Gas Khodro Company, Iranian Gas Transmission Company, Kerman Province Gas Company, Kermanshah Province Gas Company, Khouzestan Gas Company, Kohkilouye and Boyerahmad Province Gas Company, Kordestan Province Gas Company, Lorestan Province Gas Company, Lorestan Province Gas Company, Markazi Province Gas Company, Masjed Soleyman Gas Refinering Company, Mazandaran Province Gas Company, North Khorasan Province Gas Company, Qazvin Province Gas Company, Qom Province Gas Company, Razavi Khorasan Province Gas Company, Sarkhoun and Qeshm Refinering Company, Semnan Gas Company, Shahid Hasheminejad Refinering Company, Sistan and Blouchestan, South Khorasan Province Gas Company, South Pars Gas Complex, Tehran Province Gas Company, Under Ground Gas Storage Company, West Azerbaijan Gas Company, Yazd Province Gas Company, Zanjan Gas Company.