Petro-Canada Logo and Tagline Petro-Canada is a retail and wholesale marketing brand subsidiary of Suncor Energy. Until 1991, it was a federal Crown corporation. In August 2009, Petro-Canada merged with Suncor Energy, with Suncor shareholders receiving approximately 60 percent ownership of the combined company and Petro-Canada shareholders receiving approximately 40 percent. The company retained the Suncor Energy name for the merged corporation and its upstream operations. It continues to use the Petro-Canada name nationwide. Info \tIndustry : Oil and gas industry \tFounded : Ottawa, Ontario \tSuccessor : Suncor Energy \tHeadquarters : Calgary, Alberta, Canada \tParent : Suncor Energy \tWebsite : www.petro-canada.ca Petro-Canada Tagline / Slogan \tLive by the Leaf. Petro-Canada Logo Petro-Canada Logo Tags : Petro-Canada Logo,Petro-Canada Tagline, Petro-Canada Slogan, Petro-Canada Owner, Petro-Canada ad slogan.