
South Pars Gas Complex
South Pars Gas Complex Company is the largest Iranian gas company, which, as one of the subsidiaries of the National Iranian Gas Company (NIGC Co.), operates in the field of production and operation of onshore facilities (phases 1 to 24) of the South Pars gas field.

Persian Gulf Star Refining
This refinery is the first refinery designed based on gas condensate feed with a capacity of 360 thousand barrels per day, including distillation units, liquefied petroleum gas purification , catalytic conversion, naphtha refining, isomerization, kerosene and gas oil refining, which has been designed to produce gasoline, diesel, liquefied petroleum gas and jet fuel.

Imam Khomeini Shazand Oil Refinery
This refinery is currently the biggest producer of gasoline among Iranian oil refineries and is the second main producer of gasoline in Iran after the Persian Gulf Star Gas Condensate Refinery, Which was established in 1993 by the National Iranian Oil Company and entitled as Shazand Arak Oil Refinery.