Tatitlek Support Services, Inc. (TSSI), is a wholly owned subsidiary of The Tatitlek Corporation. The Tatitlek Corporation is one of five Alaska Native village corporations within the regional corporation of Chugach Alaska Corporation, as established by Congress under terms of the Alaska Native Claims Settlement Act (ANCSA) in 1971. The village of Tatitlek is located 30 miles south of Valdez, Alaska on the eastern side of the Tatitlek Narrows.