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Jack Astor's Bar & Grill is a fun, casual, energetic restaurant concept owned and operated by Service Inspired Restaurants (SIR Corp). The very first Jack Astor's restaurant opened November 1, 1990, in St. Catharines, Ontario. Since then, Jack Astor's Bar & Grill has grown to 36 restaurants. There are currently 36 Jack Astor's restaurants located across Canada and in the United States. The environment of their restaurants is entertaining and enjoyable.