South Zagros Oil and Gas Production Company
Iran Oil Pipelines and Telecommunications Company
National Iranian South Oil Company
National Petrochemical Company of Iran
Iran South Turbine Company
National Iranian Gas Company
Iranian Central Oil Fields Company
Abadan Oil Refining Company
National Petrochemical Company
Persian Gulf Petrochemical Industries
Bandar Imam Petrochemical Company
Bandar Abbas Oil Refining Company
Petrochemical Trading Company
Shazand Petrochemical Company
Ray Powerplant Company
Sabalan Bargh Omid Company
