The Aleut Corporation, or TAC, is one of thirteen Alaska Native Regional Corporations created under the Alaska Native Claims Settlement Act of 1971 (ANCSA) in settlement of aboriginal land claims. The Aleut Corporation was incorporated in Alaska on June 21, 1972. Headquartered in Anchorage, Alaska, The Aleut Corporation is a for-profit corporation with approximately 3,410 Alaska Native shareholders primarily of Aleut descent originating in the Alaska Peninsula, Aleutian Islands, Pribilof Islands, and Shumagin Islands of Alaska.