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National Oil Company Integrated

National Iranian Oil Company

Tehran, Iran · Established 1951 · Profile updated July 1, 2026

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Auditor Executive Assessment

Prepared by the Asian Oil Intelligence Desk · Institutional due-diligence memorandum

National Iranian Oil Company (NIOC) controls Iran's vast hydrocarbon resources, including the world's second-largest gas reserves and fourth-largest oil reserves. Operations span upstream production, refining, petrochemicals, and international marketing, though US and EU sanctions significantly constrain exports, technology access, and financial transactions. Production has recovered to approximately 3.2 mbpd of crude with gas output above 28 Bcfd. Financial data is not publicly disclosed in ac...

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