Chadormalu Mining & Industrial Company
Mapna Group
Esfahan Steel Company
Hegmatan Cement Company
Khash Cement Company
Tehran Cement Company
National Iranian Copper Company
Sungun Copper Complex
Sarcheshmeh Copper Complex
Shazand Petrochemical Company
Mobin Petrochemical Company
Razi Petrochemical Company
National Iranian North Drilling Company
National Iranian Petrochimical Company
Kermanshah Petrochimcal Industries Company
Sepandab Kian Compny
Iranian Industries Pups Company
Heay Duty Pumps and Water Turbine Manufaturer Company (PETCO)
Kalaye Pump Company
Nebras Pumps Company
Berkeh Company (Designer & Manufacturer of Industrial Pumps)
Compressor Sazi Tabriz Company
Pars Compressor Industries Company
Tamkar Gas Equipment Company
Havayar Industrial Group
Tasha Manufacturing Company
Aban Air Cooler Company
Golgohar Minin & Industrial Company
Mines & Metal Technological Engineering Company (MMTE)
Omrab Engineering Company
Petro Sahel Prsian Gulf Development Company
Kaveh Mobadel Company
Mangan MFG Company
Arian Chimi Espadana Company