Phillips Petroleum Company was created in 1917.
Asiatic Petroleum Company was created in 1903.
Magnolia Petroleum Company was created in 1911.
Iraq Petroleum Company was created in 1929.
Singapore Petroleum Company was created in 1969.
Bahrain Petroleum Company was created in 1929.
Phillips Distilling Company was created in 1912.
Kuwait National Petroleum Company was created in 1960.
Somali Petroleum Company was created on 2008-08-19.
Mexican Eagle Petroleum Company was created in 1900.
Caspian International Petroleum Company was created in 1996.
Jordan Petroleum Refinery Company was created in 1956.
White Nile Petroleum Operating Company was created in 2001.