National Iranian Oil Company was created in 1948.
National Iranian Oil Company's population is 41,000.
National Oil Corporation was created in 1970.
The name of Saudi Arabia's national oil company is Aramco.
Paz Oil Company was created in 1922.
Pars Oil Company was created in 1959.
Sirte Oil Company was created in 1981.
Behran Oil Company was created in 1963.
Vacuum Oil Company was created in 1866.
Marland Oil Company was created in 1917.
Cosmo Oil Company was created in 1986.
Jamuna Oil Company was created in 1964.