Irving Oil Limited is a Canadian oil and gas company that operates a refinery in Saint John, New Brunswick, Canada. The company also operates a network of gas stations and convenience stores in Canada and the United States. Irving Oil Limited was founded in 1924 and is headquartered in Saint John, New Brunswick, Canada. The company is a subsidiary of J.D. Irving, Limited, a privately held conglomerate that operates in a variety of industries, including forestry, construction, and shipbuilding.