Upstream and headwaters

  • South Pars Gas Complex Company SPGC
  • Pars Oil and Gas company
  • Iran Central Regions Oil Company
  • Continental Plateau Oil Company of Iran
  • Arundan Oil and Gas Company
  • Maron Oil and Gas Exploitation Company
  • Gachsaran Oil and Gas Exploitation Company
  • Aghajari Oil and Gas Exploitation Company
  • Support company for production and supply of Tehran oil products
  • Iran Gas Transmission Company
  • Marine engineering and construction company
  • South Zagros Oil and Gas Exploitation Company
  • Iran Central Regions Oil Company
  • National Company of South Oil-rich Regions
  • Karun Oil and Gas Exploitation Company

a refinery

  • Bandar Abbas Oil Refining Company
  • Shiraz Oil Refining Company
  • Kermanshah Oil Refining Company
  • Fajr Jam Gas Refining Company
  • Ilam Gas Refining Company
  • Parsian Gas Refining Company, Tehran Oil Refining Company
  • Abadan Oil Refining Company
  • Persian Gulf Star Oil Company
  • Tabriz Oil Refining Company
  • Lawan Oil Refining Company
  • Sepahan Oil Company
  • Shahid Hashminejad Gas Refining Company
  • J. Oil Refining Company
  • Sarkhun and Qeshm Gas Refining Company
  • Shazand Imam Khomeini Oil Refining Company
  • Isfahan Oil Refining Company
  • Iranol Oil Company
  • Aftab Oil Refining Company

petrochemical

  • Ilam Petrochemical Company
  • Bandar Imam Petrochemical Company
  • Maron Petrochemical Company
  • Khorasan Petrochemical Company
  • Fajr Petrochemical Complex
  • Bo Ali Sina Petrochemical Joint Stock Company
  • Abadan Petrochemical Company
  • Chemical industries of Iran
  • Bakhtar Petrochemical Company
  • Lorestan Petrochemical Company
  • Zagros Petrochemical Company
  • Khark Petrochemical Company
  • Gachsaran Petrochemical Company
  • Razi Petrochemical Company
  • Bushehr Petrochemical Company
  • Tendgovian Petrochemical Company
  • Pars Petrochemical Company
  • Jam Petrochemical Company
  • Pearl Petrochemical Company
  • Mahabad Petrochemical Company
  • Kurdistan Petrochemical Company
  • Kavian Petrochemical Company
  • Aria Sasol Polymer Company
  • Ghadir Petrochemical Company
  • Shazand Petrochemical Company
  • Nouri Petrochemical Company
  • Karon Petrochemical Company
  • Isfahan Petrochemical Company

Steel and mining

  • Mobarake Steel Complex (8339)
  • Isfahan Zob Ahan Joint Stock Company (116189)
  • Hormozgan Steel Company (42571)
  • Khorasan Steel Complex (7680)
  • Refa Iron and Steel Company
  • Sangan Steel Company (31692)
  • Gohar Zameen Iron and Steel Company
  • Butiai Iranian Steel Company
  • Bafaq Iron and Steel Mining and Industry Complex Company
  • Gohar Rosh Sirjan Company
  • Saba Fars Gulf Steel Company
  • Jahan Fould Sirjan Complex
  • Sirjan Iranian Steel Company
  • Pasargad Iron Smelting Industrial Complex
  • Iranian Babak Copper Company (108154)
  • Nipak Co
  • Iran Alumina Company
  • Nab Arash Alborz Steel Complex
  • Ebtekar Paya Company
  • . Arvand Steel Complex
  • . Saba Steel Company
  • Pars Folad Sabzevar Company
  • Taraz Steel Company
  • Ahya Steel Foulad Baft Company
  • Iranian Zarand Steel Company
  • Copper Mining Company
  • Foulad Paya Technical and Engineering Company
  • Foolad Sanat Kaenat Co
  • Iran Aluminum Company
  • South Kish Kaveh Steel Company
  • Iranian Mana Industries Expansion and Renovation Company
  • Pishgaman Co., Ltd., lead and zinc industry, Mahdi Abad
  • Isfahan Mobarake Steel Company
  • Khuzestan Steel Company (4894)
  • Khorasan Steel Company
  • Hormozgan Steel Company
  • Azna Steel Co
  • Arya Hangard Company

Cement

  • Kerman Cement Industries Group
  • Hegmatan Cement Company
  • Sepahan Cement Company
  • Kashan desert cement company
  • Khuzestan Cement Company
  • North Cement Company
  • New Fars Cement Company
  • West Cement Industry Company
  • Isfahan Cement Company
  • Hormozgan Cement Company

power plant

  • Electricity Distribution Company
  • Damavand Electricity Production Company
  • Sistan and Baluchistan Regional Electricity Company
  • Isfahan Electricity Production Management Company
  • Shahid Rajaei Electricity Production Management Company
  • Novin Fanavor Ihya Industrial Engineering Company
  • Mana Energy Pak Company
  • Sinaco company
  • Bakhtar Consulting Engineers Co
  • . West Azerbaijan Electricity Production Company

Car and rail

  • Saipa Co
  • Sapco Co
  • Iran Tractor Manufacturing Company
  • wagon making company
  • Irico Co

Food and pharmaceutical industries

  • Cinagen Co

  • Temad Company

  • Solico Co

  • Khorramshahr oil company