Oil Industry Investment Company (Public Joint Stock) was established on Dec. 15, 1996 and was registered with Tehran department for registration of companies and noncommercial institutes under No. 126738. Head office of company is located in Tehran. This company is a holding company in oil industry of which the main activity is to invest in the companies, complexes and production, industrial, commercial, service and cultural projects to establish commission and contribute in the development of such units. According to letter dated June 11, 2003 of the manager of reception and assemblies’ affairs of the stock exchange, Oil Industry Investment Company has been listed in the aforesaid organization as the 341st company. Moreover, Oil Pension Fund Investment Company (OPIC) is the main shareholder of Oil Industry Investment Company. State oil industry personnel and retirees also form a major part of shareholders of Oil Industry Investment Company.