Crown Central Petroleum was created in 1925.
See the following link: http://www.npnweb.com/daily/news.asp?a=565212. It discusses Crown Petroleum's sale of 150 Crown retail gas stations in Virginia and Maryland to the Petroleum Marketing Group of Millersville. PMG is a regional distributor of petroleum products in the mid-Atlantic region. PMG has rebranded most the Crown stations it purchased to Texaco stations.
Qatar Petroleum was created in 1974.
Aloha Petroleum was created in 190#.
Crescent Petroleum was created in 1971.
Saga Petroleum was created in 1972.
Petrolifera Petroleum was created in 1975.
Occidental Petroleum was created in 1920.
Hellenic Petroleum was created in 1958.
Asyut Petroleum was created in 1990.
Gull Petroleum was created in 1976.
Regal Petroleum was created in 1996.
Atlantic Petroleum was created in 1866.