Isfahan Oil Refining, Abadan Oil Refining, Tehran Oil Refining, Lavan Oil Refining, Imam Khomeini Shazand Oil Refining, Tabriz Oil Refining, Persian Gulf Star Oil Refining, Iranian Oil Terminals, Iranian Offshore Oil, Karun Oil and Gas Production, Gachsaran Oil and Gas Production, Marun Oil and Gas Production, Arvandan Oil and Gas, National Iranian South Oilfields Company, Fajr-e Jam Gas Refining, Hasheminejad Gas Refining, South Pars Gas Complex, Petrochemical Research and Technology.
