Big Rock Brewery, Inc. engages in the manufacture, marketing, and distribution of specialty craft beers. It operates through the Wholesale and Retail segments. The Wholesale segment manufactures and distributes beer and cider to provincial liquor boards, grocery chains, and on-premise customers which is subsequently sold to end consumers. The Retail segment sells beverages, food and merchandise to end consumers through premises owned and/or operated by the corporation. The company was founded by Edward E. McNally in 1985 and is headquartered in Calgary, Canada.