Tabriz Oil Refinery
Abadan Oil Refinery
Tehran Oil Refinery (Shahid Tondgoyan)
Khangiran Oil Refinery (Shahid Hasheminezhad)
Phase 2 and 3 Southern Pars
Phase6,7, and 8 Southern Pars
West Azarbaijan Gas Co
East Azarbaijan Gas Co
Gas distribution (district 8)
Gas distribution (district 7)
Tabriz Petrochemical Co
Uromia Petrochemical Co
Jam Petrochemical Co
Khorasan Petrochemical Co
Razi Petrochemical Co
Pardisan Petrochemical Co
Ghadir Petrochemical Co
Ilam Petrochemical Co
Kavian Petrochemical Co
Petrochemical products Co