The establishment of Iranian national oil company?

The Iranian National Oil Company was established in 195 1 and headquartered in Tehran, representing the Iranian government in charge of all aspects of the oil industry. The company has six subsidiaries, namely Iran National Offshore Oil Company, Iran National Drilling Company, Iran National Tanker Company, Iran National Petroleum Products Company, Kara Co., Ltd. and National Petroleum Engineering Development Company. There is also a Naftiran international trading company affiliated to Iran National Oil Company. The company's business scope includes oil exploration, development and production, as well as oil refining.