Established in 1971, Doyon, Limited is an Alaska Native regional corporation created by the Congress under the Alaska Native Claims Settlement Act. It has more than 17,000 shareholders and owns over 12 million acres of land throughout Alaska. The corporation operates a family of companies in the oil and gas, government contracting and tourism sectors. Its subsidiaries and joint venture companies include Doyon Drilling, Doyon Universal Services, Doyon Government Group, Doyon Associated, Doyon Emerald, Doyon Properties and Doyon Utilities. The corporation specializes in the areas of drilling operations, security measures, remote camp services, engineering and pipeline construction. Doyon, Limited additionally offers program management, logistics support and technical assistance services through its subsidiaries.