Porter Airlines is a Canadian airline headquartered at Billy Bishop Toronto City Airport on the Toronto Islands in Toronto, Ontario, Canada. Owned by Porter Aviation Holdings, formerly known as REGCO Holdings Inc., Porter operates regularly scheduled flights between Toronto and locations in Canada and the United States using a fleet of Canadian-built De Havilland Canada DHC-8-400 turboprop aircraft and Embraer E195-E2 jet aircraft.
SOURCE: Wikipedia