National Iranian South Oil Company (NISOC)

  • Karoon

  • Marun

  • Aghajari

  • Masjed Solyman

  • Gachsaran


The Iranian Offshore Oil Company (IOOC)

  • Its activities cover important areas of the Persian Gulf and its main operations are in Bushehr Province and on Kharg Island, Sirri Island and Lavan Island


National Iranian Oil Refining and Distribution Company (NIORDC)

  • NIORDC undertook to perform all operations relating to refining and distribution of oil products.


The Iranian Central Oil Fields Company (ICOFC)

  • ICOFC comprises three sub-companies:

    • Southern Zagros Oil & Gas Production Company

    • West Oil & Gas Production Company

    • East Oil & Gas Production Company


The South Pars / North Dome field

  • Is a natural gas condensate field located in the Persian Gulf

  • It is the world's largest gas field, shared between Iran and Qatar