National Iranian Oil Engineering and Construction Company is responsible for implementing all infrastructure projects in the process sector of the oil industry, including refining, storage, transportation, and distribution of crude oil and petroleum products across the country. The company’s activities began in previous years with the design and construction of oil depots and sales bases for petroleum products. It continued with the establishment of the first refinery in Tehran and the creation of a network of oil and gas pipelines in the 1960s under the title “Special Projects Management” within the National Iranian Oil Company.