Canadian Oil Companies, Limited was a Canadian integrated petroleum company that existed from 1908 to 1963. The company was known best for the White Rose...

sizing up companies, as of March 31, 2014 these are the largest Canada-based oil and gas companies (they are either based entirely in Canada or majority...

Imperial Oil Limited (French: Compagnie Pétrolière Impériale Ltée) is a Canadian petroleum company. It is Canada's second-largest integrated oil company. It...

parent company Irving Group of Companies,—one of the largest "private conglomerates" in North America. Irving Oil was one established in 1924 by Canadian oil...

industry in Canada is also referred to as the "Canadian Oil Patch"; the term refers especially to upstream operations (exploration and production of oil and gas)...

promote active growth in oil sands production. Major Canadian oil companies had announced expansion plans and foreign companies were investing significant...

of "Major" Oil companies which would result in a group of dominant "Super-Major" entities. Big Oil previously referred to seven oil companies which formed...

Canadian Oil Sands Limited. In 1978, Syncrude produced its first barrel of oil. PanCanadian Petroleum (later Encana, now Ovintiv) formed Canadian Oil...

" In 1899, the Standard Oil Company (New Jersey) acquired the shares of the other 19 companies and became the holding company for the trust. Jersey Standard...

the ninth largest in 1979, Gulf Oil was one of the Seven Sisters oil companies. Prior to its merger with Standard Oil of California, Gulf was one of the...