Barnwell Industries Inc is an oil and gas firm. Its areas of operations include acquiring, developing, producing and selling oil and natural gas. The company invests in land interests, engages in drilling operations and installing and repairing water pumping systems. Its investments in oil and natural gas properties are located in Canada, principally in the province of Alberta, with other non-producing holdings in the provinces of Saskatchewan and British Columbia. It also holds interests in Kaupulehu Developments, a Hawaii general partnership.