Barrel (unit) continued to use the same size barrels. In the worldwide oil industry, an oil barrel is defined as 42 US gallons, which is about litres or 35 imperial gallons. Oil companies that are listed on American stock exchanges typically report their production in terms of volume and use the units of bbl, Mbbl (one thousand barrels), or MMbbl (one million barrels) and occasionally for widest comprehensive statistics the Gbbl (or sometimes Gbl) denoting a billion. There is a conflict concerning the units for oil barrels (see ). For all other physical quantities, according to the International System of Units, the
Imperial Oil Building Imperial Oil Building The Imperial Oil Building, now known as Imperial Plaza, is a skyscraper located at 111 St. Clair Avenue West in Toronto, Ontario, Canada. The 21-storey building was completed in 1957 as the headquarters of Imperial Oil, Canada's largest oil company. The building's design had previously been rejected for a proposed new Toronto City Hall. After several decades of use as the head office of Imperial Oil, the building was sold in 2010 and converted into a condominium apartment building. The building sits atop a high escarpment with a commanding view to the south, and before the construction