• KHARG Petrochemical Company
• ABADAN Oil Refining Company
• KHORASAN Petrochemical Company
• ARYA SASOL Polymer Company
• MARUN Petrochemical Company
• Bandar ABBAS Oil Refining Company
• MOBIN Petrochemical Company
• Bandar Imam Petrochemical Company
• PARDIS Petrochemical Company
• BOUALI SINA Petrochemical Company
• SHAZAND ARAK Oil Refining Company
• ESFAHAN Oil Refining Company
• SHIRAZ Petrochemical Company
• FAJR Petrochemical Company
• Supplying Parts, Equipments & Chemical Eng Co (SPEC)
• FANAVARAN Petrochemical Company
• TABRIZ Petrochemical Company
• GHADIR Petrochemical Company
• TONDGOOIAN Petrochemical Company
• JAM Petrochemical Company
• TEHRAN Oil Refining Company
• KHANGIRAN Gas Treating Company

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