Question: Which company is one of thirteen Alaska Native Regional Corporations created under the Alaska Native Claims Settlement Act of 1971 that has 3,400 shareholders with a people whose ancestral name is Sugpiaq?

Context paragraphs:
Doyon, Limited: Doyon, Limited 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.  Doyon, Limited was incorporated in Alaska on June 26, 1972.  Headquartered in Fairbanks, Alaska, Doyon, Limited is a for-profit corporation with about 18,000 Alaska Native shareholders primarily of Northern Athabaskan Indian descent.

Alutiiq: The Alutiiq people (pronounced in English; from Promyshlenniki Russian Алеутъ, "Aleut"; plural often "Alutiit"), also called by their ancestral name Sugpiaq ( or ; plural often "Sugpiat") as well as Pacific Eskimo or Pacific Yupik, are a southern coastal people of Alaska Natives.  Their language is called Sugstun.  It is one of Eskimo languages, belonging to the Yup’ik branch of these languages.  They are not to be confused with the Aleuts, who live further to the southwest, including along the Aleutian Islands.

Chugach Alaska Corporation: Chugach Alaska Corporation, or CAC, 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.  Chugach Alaska Corporation was incorporated in Alaska on June 23, 1972.  Headquartered in Anchorage, Alaska, Chugach Alaska Corporation is a for-profit corporation with over 2,200 Alaska Native shareholders primarily of Chugach Alutiiq, Eyak, and Tlingit descent.

Koniag, Incorporated: Koniag, Incorporated 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.  Koniag, Inc. was incorporated in Alaska on June 23, 1972.  Headquartered in Kodiak, Alaska, with additional offices in Anchorage, Koniag is a for-profit corporation with about 3,400 Alaska Native shareholders primarily of Alutiiq descent.

Calista Corporation: Calista Corporation (pronounced ] ) 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.  Calista was incorporated in Alaska on June 12, 1972.  Although the Calista region is in western Alaska, Calista Corporation is headquartered in Anchorage, Alaska.  Calista is a for-profit corporation with 17,300 Alaska Native shareholders primarily of Yup'ik descent.

The Aleut Corporation: 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.

NANA Regional Corporation: NANA Regional Corporation, Inc. (NANA) is one of thirteen Alaska Native Regional Corporations created under the Alaska Native Claims Settlement Act of 1971 (ANCSA) in settlement of Alaska Native land claims.  NANA was incorporated in Alaska on June 7, 1972.  NANA is a for-profit corporation with a land base in the Kotzebue area in northwest Alaska.  Its corporate office is in Kotzebue, Alaska.  NANA's Alaska Native shareholders are of Inupiat descent.

Arctic Slope Regional Corporation: Arctic Slope Regional Corporation, or ASRC, 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.  Arctic Slope Regional Corporation was incorporated in Alaska on June 22, 1972.  Headquartered in Barrow, Alaska, with administrative offices in Anchorage, Arctic Slope Regional Corporation is a for-profit corporation with nearly 11,000 Alaska Native shareholders primarily of Inupiat Eskimo descent.

Bristol Bay Native Corporation: Bristol Bay Native Corporation, or BBNC, 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.  Bristol Bay Native Corporation was incorporated in Alaska on June 13, 1972.  Headquartered in Anchorage, Alaska, Bristol Bay Native Corporation is a for-profit corporation with approximately 9,900 Alaska Native shareholders primarily of Eskimo, Aleut, and Indian descent.  BBNC states its mission as “Enriching Our Native Way Of Life" as a corporation "that protects the past, present and future of the Natives from Bristol Bay.”

The 13th Regional Corporation: The 13th Regional Corporation, 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.  It was incorporated in Alaska on December 31, 1975.  The 13th Regional Corporation is a for-profit corporation presently headquartered in Seattle, Washington, with approximately 5,500 Alaska Native shareholders of Eskimo, American Indian, and Aleut descent.  Its original enrollment was of Alaska Natives who were no longer resident in Alaska.

Supporting paragraphs: Koniag, Incorporated Alutiiq
Answer: Koniag, Incorporated