Gunns Limite (ASX:GNS) is a major forestry enterprise located in Tasmania, Australia. Founded in 1875 by brothers John and Thomas Gunn, it is one of Australia's oldest companies. It has over 900 square kilometres of plantations, mainly eucalyptus trees. It is Tasmania’s largest private land-owner. The company employs over 1200 people and has a turnover in excess of AUS$600 million. Gunns is the largest woodchipper in the Southern Hemisphere, with a monopoly in Tasmania's forest industry . Gunns also runs retail stores throughout Tasmania including several Mitre 10 outlets and the Tamar Ridge winery.