Manufacturing & Executive Bandarabbas Oil Refining Co.Tabriz Oil Refining Co.Shiraz Oil Refining Co.Pars Shiraz Refining Co.Pardis Petrochemical Co.Shiraz Petrochemical Co.Kermanshah Petrochemical Industries Co.Zagros Petrohemical Co.Pars Petrochemical Co.Tabriz Petrochemical Co.Kian Petrochemical Co.Khorasan Petrochemical Co.