National Iranian Oil Company

NationalIranianOilCompany (NIOC) was founded in 1951 and is headquartered in Tehran.NIOC is the world's second-largest oil company, and in 2013, the company was ranked second in the world in terms of oil and natural gas production, and third in the world in terms of oil reserves, and first in terms of natural gas reserves. (Source: Petroleum Intelligence Weekly, 2013.11)