| Code | Description |
| 100000001 | Absentee-Shawnee Tribe of Indians of Oklahoma |
| 100000341 | Agdaagux Tribe of King Cove |
| 100000002 | Agua Caliente Band of Cahuilla Indians of the Agua Caliente Indian Reservation, California |
| 100000003 | Ak-Chin Indian Community |
| 100000343 | Akiachak Native Community |
| 100000344 | Akiak Native Community |
| 100000004 | Alabama-Coushatta Tribe of Texas |
| 100000005 | Alabama-Quassarte Tribal Town |
| 100000347 | Alatna Village |
| 100000349 | Algaaciq Native Village (St. Mary's) |
| 100000350 | Allakaket Village |
| 100000006 | Alturas Indian Rancheria, California |
| 100000495 | Alutiiq Tribe of Old Harbor |
| 100000354 | Angoon Community Association |
| 100000356 | Anvik Village |
| 100000007 | Apache Tribe of Oklahoma |
| 100000357 | Arctic Village (See Native Village of Venetie Tribal Government) |
| 100000358 | Asa'carsarmiut Tribe |
| 100000010 | Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana |
| 100000011 | Augustine Band of Cahuilla Indians, California |
| 100000012 | Bad River Band of the Lake Superior Tribe of Chippewa Indians of the Bad River Reservation, Wisconsin |
| 100000013 | Bay Mills Indian Community, Michigan |
| 100000014 | Bear River Band of the Rohnerville Rancheria, California |
| 100000363 | Beaver Village |
| 100000015 | Berry Creek Rancheria of Maidu Indians of California |
| 100000016 | Big Lagoon Rancheria, California |
| 100000017 | Big Pine Paiute Tribe of the Owens Valley |
| 100000018 | Big Sandy Rancheria of Western Mono Indians of California |
| 100000019 | Big Valley Band of Pomo Indians of the Big Valley Rancheria, California |
| 100000366 | Birch Creek Tribe |
| 100000189 | Bishop Paiute Tribe |
| 100000020 | Blackfeet Tribe of the Blackfeet Indian Reservation of Montana |
| 100000021 | Blue Lake Rancheria, California |
| 100000022 | Bridgeport Indian Colony |
| 100000023 | Buena Vista Rancheria of Me-Wuk Indians of California |
| 100000024 | Burns Paiute Tribe |
| 100000025 | Cabazon Band of Mission Indians, California |
| 100000026 | Cachil DeHe Band of Wintun Indians of the Colusa Indian Community of the Colusa Rancheria, California |
| 100000027 | Caddo Nation of Oklahoma |
| 100000029 | Cahto Tribe of the Laytonville Rancheria |
| 100000028 | Cahuilla Band of Indians |
| 100000030 | California Valley Miwok Tribe, California |
| 100000031 | Campo Band of Diegueno Mission Indians of the Campo Indian Reservation, California |
| 100000032 | Capitan Grande Band of Diegueno Mission Indians of California (Barona Group of Capitan Grande Band of Mission Indians of the Barona Reservation, California; Viejas (Baron Long) Group of Capitan Grande Band of Mission Indians of the Viejas Reservation, California) |
| 100000033 | Catawba Indian Nation |
| 100000034 | Cayuga Nation |
| 100000035 | Cedarville Rancheria, California |
| 100000551 | Central Council of the Tlingit & Haida Indian Tribes |
| 100000371 | Chalkyitsik Village |
| 100000372 | Cheesh-Na Tribe |
| 100000036 | Chemehuevi Indian Tribe of the Chemehuevi Reservation, California |
| 100000037 | Cher-Ae Heights Indian Community of the Trinidad Rancheria, California |
| 100000038 | Cherokee Nation |
| 100000374 | Chevak Native Village |
| 100000040 | Cheyenne River Sioux Tribe of the Cheyenne River Reservation, South Dakota |
| 100000039 | Cheyenne and Arapaho Tribes, Oklahoma |
| 100000591 | Chickahominy Indian Tribe |
| 100000592 | Chickahominy Indian Tribe--Eastern Division |
| 100000375 | Chickaloon Native Village |
| 100000042 | Chicken Ranch Rancheria of Me-Wuk Indians of California |
| 100000376 | Chignik Bay Tribal Council |
| 100000378 | Chignik Lake Village |
| 100000379 | Chilkat Indian Village (Klukwan) |
| 100000380 | Chilkoot Indian Association (Haines) |
| 100000381 | Chinik Eskimo Community (Golovin) |
| 100000043 | Chippewa Cree Indians of the Rocky Boy's Reservation, Montana |
| 100000044 | Chitimacha Tribe of Louisiana |
| 100000384 | Chuloonawick Native Village |
| 100000385 | Circle Native Community |
| 100000046 | Citizen Potawatomi Nation, Oklahoma |
| 100000047 | Cloverdale Rancheria of Pomo Indians of California |
| 100000048 | Cocopah Tribe of Arizona |
| 100000049 | Coeur D'Alene Tribe |
| 100000050 | Cold Springs Rancheria of Mono Indians of California |
| 100000051 | Colorado River Indian Tribes of the Colorado River Indian Reservation, Arizona and California |
| 100000052 | Comanche Nation, Oklahoma |
| 100000053 | Confederated Salish and Kootenai Tribes of the Flathead Reservation |
| 100000062 | Confederated Tribes and Bands of the Yakama Nation |
| 100000059 | Confederated Tribes of Siletz Indians of Oregon |
| 100000054 | Confederated Tribes of the Chehalis Reservation |
| 100000055 | Confederated Tribes of the Colville Reservation |
| 100000056 | Confederated Tribes of the Coos, Lower Umpqua and Siuslaw Indians |
| 100000057 | Confederated Tribes of the Goshute Reservation, Nevada and Utah |
| 100000058 | Confederated Tribes of the Grand Ronde Community of Oregon |
| 100000060 | Confederated Tribes of the Umatilla Indian Reservation |
| 100000061 | Confederated Tribes of the Warm Springs Reservation of Oregon |
| 100000063 | Coquille Indian Tribe |
| 100000065 | Coushatta Tribe of Louisiana |
| 100000066 | Cow Creek Band of Umpqua Tribe of Indians |
| 100000067 | Cowlitz Indian Tribe |
| 100000068 | Coyote Valley Band of Pomo Indians of California |
| 100000388 | Craig Tribal Association |
| 100000070 | Crow Creek Sioux Tribe of the Crow Creek Reservation, South Dakota |
| 100000069 | Crow Tribe of Montana |
| 100000390 | Curyung Tribal Council |
| 100000072 | Delaware Nation, Oklahoma |
| 100000073 | Delaware Tribe of Indians |
| 100000394 | Douglas Indian Association |
| 100000074 | Dry Creek Rancheria Band of Pomo Indians, California |
| 100000075 | Duckwater Shoshone Tribe of the Duckwater Reservation, Nevada |
| 100000076 | Eastern Band of Cherokee Indians |
| 100000077 | Eastern Shawnee Tribe of Oklahoma |
| 100000275 | Eastern Shoshone Tribe of the Wind River Reservation, Wyoming |
| 100000397 | Egegik Village |
| 100000398 | Eklutna Native Village |
| 100000078 | Elem Indian Colony of Pomo Indians of the Sulphur Bank Rancheria, California |
| 100000079 | Elk Valley Rancheria, California |
| 100000080 | Ely Shoshone Tribe of Nevada |
| 100000402 | Emmonak Village |
| 100000081 | Enterprise Rancheria of Maidu Indians of California |
| 100000403 | Evansville Village (aka Bettles Field) |
| 100000082 | Ewiiaapaayp Band of Kumeyaay Indians, California |
| 100000083 | Federated Indians of Graton Rancheria, California |
| 100000084 | Flandreau Santee Sioux Tribe of South Dakota |
| 100000085 | Forest County Potawatomi Community, Wisconsin |
| 100000086 | Fort Belknap Indian Community of the Fort Belknap Reservation of Montana |
| 100000087 | Fort Bidwell Indian Community of the Fort Bidwell Reservation of California |
| 100000088 | Fort Independence Indian Community of Paiute Indians of the Fort Independence Reservation, California |
| 100000089 | Fort McDermitt Paiute and Shoshone Tribes of the Fort McDermitt Indian Reservation, Nevada and Oregon |
| 100000090 | Fort McDowell Yavapai Nation, Arizona |
| 100000091 | Fort Mojave Indian Tribe of Arizona, California & Nevada |
| 100000092 | Fort Sill Apache Tribe of Oklahoma |
| 100000408 | Galena Village (aka Louden Village) |
| 100000093 | Gila River Indian Community of the Gila River Indian Reservation, Arizona |
| 100000094 | Grand Traverse Band of Ottawa and Chippewa Indians, Michigan |
| 100000095 | Greenville Rancheria |
| 100000096 | Grindstone Indian Rancheria of Wintun-Wailaki Indians of California |
| 100000097 | Guidiville Rancheria of California |
| 100000413 | Gulkana Village Council |
| 100000098 | Habematolel Pomo of Upper Lake, California |
| 100000099 | Hannahville Indian Community, Michigan |
| 100000100 | Havasupai Tribe of the Havasupai Reservation, Arizona |
| 100000415 | Healy Lake Village |
| 100000101 | Ho-Chunk Nation of Wisconsin |
| 100000102 | Hoh Indian Tribe |
| 100000416 | Holy Cross Tribe |
| 100000417 | Hoonah Indian Association |
| 100000103 | Hoopa Valley Tribe, California |
| 100000104 | Hopi Tribe of Arizona |
| 100000105 | Hopland Band of Pomo Indians, California |
| 100000106 | Houlton Band of Maliseet Indians |
| 100000107 | Hualapai Indian Tribe of the Hualapai Indian Reservation, Arizona |
| 100000419 | Hughes Village |
| 100000420 | Huslia Village |
| 100000421 | Hydaburg Cooperative Association |
| 100000422 | Igiugig Village |
| 100000108 | Iipay Nation of Santa Ysabel, California |
| 100000109 | Inaja Band of Diegueno Mission Indians of the Inaja and Cosmit Reservation, California |
| 100000424 | Inupiat Community of the Arctic Slope |
| 100000110 | Ione Band of Miwok Indians of California |
| 100000111 | Iowa Tribe of Kansas and Nebraska |
| 100000112 | Iowa Tribe of Oklahoma |
| 100000425 | Iqugmiut Traditional Council |
| 100000426 | Ivanof Bay Tribe |
| 100000113 | Jackson Band of Miwuk Indians |
| 100000114 | Jamestown S'Klallam Tribe |
| 100000115 | Jamul Indian Village of California |
| 100000116 | Jena Band of Choctaw Indians |
| 100000117 | Jicarilla Apache Nation, New Mexico |
| 100000427 | Kaguyak Village |
| 100000118 | Kaibab Band of Paiute Indians of the Kaibab Indian Reservation, Arizona |
| 100000429 | Kaktovik Village (aka Barter Island) |
| 100000119 | Kalispel Indian Community of the Kalispel Reservation |
| 100000120 | Karuk Tribe |
| 100000121 | Kashia Band of Pomo Indians of the Stewarts Point Rancheria, California |
| 100000435 | Kasigluk Traditional Elders Council |
| 100000122 | Kaw Nation, Oklahoma |
| 100000436 | Kenaitze Indian Tribe |
| 100000437 | Ketchikan Indian Community |
| 100000124 | Keweenaw Bay Indian Community, Michigan |
| 100000125 | Kialegee Tribal Town |
| 100000128 | Kickapoo Traditional Tribe of Texas |
| 100000126 | Kickapoo Tribe of Indians of the Kickapoo Reservation in Kansas |
| 100000127 | Kickapoo Tribe of Oklahoma |
| 100000439 | King Island Native Community |
| 100000440 | King Salmon Tribe |
| 100000129 | Kiowa Indian Tribe of Oklahoma |
| 100000130 | Klamath Tribes |
| 100000443 | Klawock Cooperative Association |
| 100000064 | Kletsel Dehe Band of Wintun Indians |
| 100000445 | Knik Tribe |
| 100000140 | Koi Nation of Northern California |
| 100000447 | Kokhanok Village |
| 100000131 | Kootenai Tribe of Idaho |
| 100000452 | Koyukuk Native Village |
| 100000132 | La Jolla Band of Luiseno Indians, California |
| 100000133 | La Posta Band of Diegueno Mission Indians of the La Posta Indian Reservation, California |
| 100000134 | Lac Courte Oreilles Band of Lake Superior Chippewa Indians of Wisconsin |
| 100000136 | Lac Vieux Desert Band of Lake Superior Chippewa Indians of Michigan |
| 100000135 | Lac du Flambeau Band of Lake Superior Chippewa Indians of the Lac du Flambeau Reservation of Wisconsin |
| 100000137 | Las Vegas Tribe of Paiute Indians of the Las Vegas Indian Colony, Nevada |
| 100000457 | Levelock Village |
| 100000458 | Lime Village |
| 100000138 | Little River Band of Ottawa Indians, Michigan |
| 100000597 | Little Shell Tribe of Chippewa Indians of Montana |
| 100000139 | Little Traverse Bay Bands of Odawa Indians, Michigan |
| 100000191 | Lone Pine Paiute-Shoshone Tribe |
| 100000141 | Los Coyotes Band of Cahuilla and Cupeno Indians, California |
| 100000142 | Lovelock Paiute Tribe of the Lovelock Indian Colony, Nevada |
| 100000143 | Lower Brule Sioux Tribe of the Lower Brule Reservation, South Dakota |
| 100000144 | Lower Elwha Tribal Community |
| 100000145 | Lower Sioux Indian Community in the State of Minnesota |
| 100000146 | Lummi Tribe of the Lummi Reservation |
| 100000147 | Lytton Rancheria of California |
| 100000148 | Makah Indian Tribe of the Makah Indian Reservation |
| 100000149 | Manchester Band of Pomo Indians of the Manchester Rancheria, California |
| 100000460 | Manley Hot Springs Village |
| 100000461 | Manokotak Village |
| 100000150 | Manzanita Band of Diegueno Mission Indians of the Manzanita Reservation, California |
| 100000151 | Mashantucket Pequot Indian Tribe |
| 100000152 | Mashpee Wampanoag Tribe |
| 100000153 | Match-e-be-nash-she-wish Band of Pottawatomi Indians of Michigan |
| 100000464 | McGrath Native Village |
| 100000154 | Mechoopda Indian Tribe of Chico Rancheria, California |
| 100000155 | Menominee Indian Tribe of Wisconsin |
| 100000466 | Mentasta Traditional Council |
| 100000156 | Mesa Grande Band of Diegueno Mission Indians of the Mesa Grande Reservation, California |
| 100000157 | Mescalero Apache Tribe of the Mescalero Reservation, New Mexico |
| 100000467 | Metlakatla Indian Community, Annette Island Reserve |
| 100000009 | Mi'kmaq Nation |
| 100000158 | Miami Tribe of Oklahoma |
| 100000159 | Miccosukee Tribe of Indians |
| 100000160 | Middletown Rancheria of Pomo Indians of California |
| 100000161 | Minnesota Chippewa Tribe, Minnesota (Six component reservations: Bois Forte Band (Nett Lake); Fond du Lac Band; Grand Portage Band; Leech Lake Band; Mille Lacs Band; White Earth Band) |
| 100000162 | Mississippi Band of Choctaw Indians |
| 100000163 | Moapa Band of Paiute Indians of the Moapa River Indian Reservation, Nevada |
| 100000164 | Modoc Nation |
| 100000165 | Mohegan Tribe of Indians of Connecticut |
| 100000593 | Monacan Indian Nation |
| 100000166 | Mooretown Rancheria of Maidu Indians of California |
| 100000167 | Morongo Band of Mission Indians, California |
| 100000168 | Muckleshoot Indian Tribe |
| 100000469 | Naknek Native Village |
| 100000594 | Nansemond Indian Nation |
| 100000170 | Narragansett Indian Tribe |
| 100000340 | Native Village of Afognak |
| 100000342 | Native Village of Akhiok |
| 100000345 | Native Village of Akutan |
| 100000348 | Native Village of Aleknagik |
| 100000351 | Native Village of Ambler |
| 100000359 | Native Village of Atka |
| 100000361 | Native Village of Atqasuk |
| 100000362 | Native Village of Barrow Inupiat Traditional Government |
| 100000364 | Native Village of Belkofski |
| 100000367 | Native Village of Brevig Mission |
| 100000368 | Native Village of Buckland |
| 100000369 | Native Village of Cantwell |
| 100000370 | Native Village of Chenega (aka Chanega) |
| 100000377 | Native Village of Chignik Lagoon |
| 100000382 | Native Village of Chitina |
| 100000383 | Native Village of Chuathbaluk (Russian Mission, Kuskokwim) |
| 100000387 | Native Village of Council |
| 100000391 | Native Village of Deering |
| 100000392 | Native Village of Diomede (aka Inalik) |
| 100000395 | Native Village of Eagle |
| 100000396 | Native Village of Eek |
| 100000399 | Native Village of Ekuk |
| 100000400 | Native Village of Ekwok |
| 100000401 | Native Village of Elim |
| 100000404 | Native Village of Eyak (Cordova) |
| 100000405 | Native Village of False Pass |
| 100000406 | Native Village of Fort Yukon |
| 100000407 | Native Village of Gakona |
| 100000409 | Native Village of Gambell |
| 100000410 | Native Village of Georgetown |
| 100000411 | Native Village of Goodnews Bay |
| 100000414 | Native Village of Hamilton |
| 100000418 | Native Village of Hooper Bay |
| 100000432 | Native Village of Kanatak |
| 100000433 | Native Village of Karluk |
| 100000438 | Native Village of Kiana |
| 100000441 | Native Village of Kipnuk |
| 100000442 | Native Village of Kivalina |
| 100000444 | Native Village of Kluti Kaah (aka Copper Center) |
| 100000446 | Native Village of Kobuk |
| 100000448 | Native Village of Kongiganak |
| 100000450 | Native Village of Kotzebue |
| 100000451 | Native Village of Koyuk |
| 100000454 | Native Village of Kwigillingok |
| 100000455 | Native Village of Kwinhagak (aka Quinhagak) |
| 100000456 | Native Village of Larsen Bay |
| 100000462 | Native Village of Marshall (aka Fortuna Ledge) |
| 100000463 | Native Village of Mary's Igloo |
| 100000465 | Native Village of Mekoryuk |
| 100000468 | Native Village of Minto |
| 100000470 | Native Village of Nanwalek (aka English Bay) |
| 100000471 | Native Village of Napaimute |
| 100000472 | Native Village of Napakiak |
| 100000473 | Native Village of Napaskiak |
| 100000474 | Native Village of Nelson Lagoon |
| 100000480 | Native Village of Nightmute |
| 100000482 | Native Village of Nikolski |
| 100000484 | Native Village of Noatak |
| 100000489 | Native Village of Nuiqsut (aka Nooiksut) |
| 100000492 | Native Village of Nunam Iqua |
| 100000493 | Native Village of Nunapitchuk |
| 100000498 | Native Village of Ouzinkie |
| 100000499 | Native Village of Paimiut |
| 100000502 | Native Village of Perryville |
| 100000504 | Native Village of Pilot Point |
| 100000508 | Native Village of Point Hope |
| 100000509 | Native Village of Point Lay |
| 100000510 | Native Village of Port Graham |
| 100000511 | Native Village of Port Heiden |
| 100000512 | Native Village of Port Lions |
| 100000519 | Native Village of Ruby |
| 100000521 | Native Village of Saint Michael |
| 100000524 | Native Village of Savoonga |
| 100000526 | Native Village of Scammon Bay |
| 100000527 | Native Village of Selawik |
| 100000530 | Native Village of Shaktoolik |
| 100000531 | Native Village of Shishmaref |
| 100000532 | Native Village of Shungnak |
| 100000539 | Native Village of Stevens |
| 100000543 | Native Village of Tanacross |
| 100000544 | Native Village of Tanana |
| 100000546 | Native Village of Tatitlek |
| 100000547 | Native Village of Tazlina |
| 100000549 | Native Village of Teller |
| 100000550 | Native Village of Tetlin |
| 100000554 | Native Village of Tuntutuliak |
| 100000555 | Native Village of Tununak |
| 100000557 | Native Village of Tyonek |
| 100000560 | Native Village of Unalakleet |
| 100000561 | Native Village of Unga |
| 100000563 | Native Village of Venetie Tribal Government (Arctic Village and Village of Venetie) |
| 100000565 | Native Village of Wales |
| 100000566 | Native Village of White Mountain |
| 100000171 | Navajo Nation, Arizona, New Mexico, & Utah |
| 100000475 | Nenana Native Association |
| 100000476 | New Koliganek Village Council |
| 100000477 | New Stuyahok Village |
| 100000478 | Newhalen Village |
| 100000479 | Newtok Village |
| 100000172 | Nez Perce Tribe |
| 100000481 | Nikolai Village |
| 100000483 | Ninilchik Village |
| 100000173 | Nisqually Indian Tribe |
| 100000485 | Nome Eskimo Community |
| 100000486 | Nondalton Village |
| 100000174 | Nooksack Indian Tribe |
| 100000487 | Noorvik Native Community |
| 100000008 | Northern Arapaho Tribe of the Wind River Reservation, Wyoming |
| 100000175 | Northern Cheyenne Tribe of the Northern Cheyenne Indian Reservation, Montana |
| 100000176 | Northfork Rancheria of Mono Indians of California |
| 100000488 | Northway Village |
| 100000177 | Northwestern Band of the Shoshone Nation |
| 100000178 | Nottawaseppi Huron Band of the Potawatomi, Michigan |
| 100000490 | Nulato Village |
| 100000491 | Nunakauyarmiut Tribe |
| 100000179 | Oglala Sioux Tribe |
| 100000180 | Ohkay Owingeh, New Mexico |
| 100000181 | Omaha Tribe of Nebraska |
| 100000182 | Oneida Indian Nation |
| 100000183 | Oneida Nation |
| 100000184 | Onondaga Nation |
| 100000412 | Organized Village of Grayling (aka Holikachuk) |
| 100000428 | Organized Village of Kake |
| 100000434 | Organized Village of Kasaan |
| 100000453 | Organized Village of Kwethluk |
| 100000525 | Organized Village of Saxman |
| 100000496 | Orutsararmiut Traditional Native Council |
| 100000497 | Oscarville Traditional Village |
| 100000187 | Otoe-Missouria Tribe of Indians, Oklahoma |
| 100000186 | Ottawa Tribe of Oklahoma |
| 100000188 | Paiute Indian Tribe of Utah (Cedar Band of Paiutes, Kanosh Band of Paiutes, Koosharem Band of Paiutes, Indian Peaks Band of Paiutes, and Shivwits Band of Paiutes) |
| 100000190 | Paiute-Shoshone Tribe of the Fallon Reservation and Colony, Nevada |
| 100000192 | Pala Band of Mission Indians |
| 100000590 | Pamunkey Indian Tribe |
| 100000193 | Pascua Yaqui Tribe of Arizona |
| 100000194 | Paskenta Band of Nomlaki Indians of California |
| 100000195 | Passamaquoddy Tribe |
| 100000500 | Pauloff Harbor Village |
| 100000196 | Pauma Band of Luiseno Mission Indians of the Pauma & Yuima Reservation, California |
| 100000197 | Pawnee Nation of Oklahoma |
| 100000198 | Pechanga Band of Indians |
| 100000501 | Pedro Bay Village |
| 100000199 | Penobscot Nation |
| 100000200 | Peoria Tribe of Indians of Oklahoma |
| 100000503 | Petersburg Indian Association |
| 100000201 | Picayune Rancheria of Chukchansi Indians of California |
| 100000505 | Pilot Station Traditional Village |
| 100000202 | Pinoleville Pomo Nation, California |
| 100000203 | Pit River Tribe, California (includes XL Ranch, Big Bend, Likely, Lookout, Montgomery Creek, and Roaring Creek Rancherias) |
| 100000506 | Pitka's Point Traditional Council |
| 100000507 | Platinum Traditional Village |
| 100000204 | Poarch Band of Creek Indians |
| 100000205 | Pokagon Band of Potawatomi Indians, Michigan and Indiana |
| 100000206 | Ponca Tribe of Indians of Oklahoma |
| 100000207 | Ponca Tribe of Nebraska |
| 100000208 | Port Gamble S'Klallam Tribe |
| 100000513 | Portage Creek Village (aka Ohgsenakale) |
| 100000209 | Potter Valley Tribe, California |
| 100000210 | Prairie Band Potawatomi Nation |
| 100000211 | Prairie Island Indian Community in the State of Minnesota |
| 100000514 | Pribilof Islands Aleut Communities of St. Paul & St. George Islands |
| 100000212 | Pueblo of Acoma, New Mexico |
| 100000213 | Pueblo of Cochiti, New Mexico |
| 100000215 | Pueblo of Isleta, New Mexico |
| 100000214 | Pueblo of Jemez, New Mexico |
| 100000216 | Pueblo of Laguna, New Mexico |
| 100000217 | Pueblo of Nambe, New Mexico |
| 100000218 | Pueblo of Picuris, New Mexico |
| 100000219 | Pueblo of Pojoaque, New Mexico |
| 100000220 | Pueblo of San Felipe, New Mexico |
| 100000221 | Pueblo of San Ildefonso, New Mexico |
| 100000222 | Pueblo of Sandia, New Mexico |
| 100000223 | Pueblo of Santa Ana, New Mexico |
| 100000224 | Pueblo of Santa Clara, New Mexico |
| 100000225 | Pueblo of Taos, New Mexico |
| 100000226 | Pueblo of Tesuque, New Mexico |
| 100000227 | Pueblo of Zia, New Mexico |
| 100000228 | Puyallup Tribe of the Puyallup Reservation |
| 100000229 | Pyramid Lake Paiute Tribe of the Pyramid Lake Reservation, Nevada |
| 100000515 | Qagan Tayagungin Tribe of Sand Point |
| 100000516 | Qawalangin Tribe of Unalaska |
| 100000230 | Quapaw Nation |
| 100000231 | Quartz Valley Indian Community of the Quartz Valley Reservation of California |
| 100000232 | Quechan Tribe of the Fort Yuma Indian Reservation, California & Arizona |
| 100000233 | Quileute Tribe of the Quileute Reservation |
| 100000234 | Quinault Indian Nation |
| 100000235 | Ramona Band of Cahuilla, California |
| 100000517 | Rampart Village |
| 100000595 | Rappahannock Tribe, Inc. |
| 100000236 | Red Cliff Band of Lake Superior Chippewa Indians of Wisconsin |
| 100000237 | Red Lake Band of Chippewa Indians, Minnesota |
| 100000238 | Redding Rancheria, California |
| 100000239 | Redwood Valley or Little River Band of Pomo Indians of the Redwood Valley Rancheria California |
| 100000240 | Reno-Sparks Indian Colony, Nevada |
| 100000241 | Resighini Rancheria, California |
| 100000242 | Rincon Band of Luiseno Mission Indians of Rincon Reservation, California |
| 100000243 | Robinson Rancheria |
| 100000244 | Rosebud Sioux Tribe of the Rosebud Indian Reservation, South Dakota |
| 100000245 | Round Valley Indian Tribes, Round Valley Reservation, California |
| 100000247 | Sac & Fox Nation of Missouri in Kansas and Nebraska |
| 100000248 | Sac & Fox Nation, Oklahoma |
| 100000246 | Sac & Fox Tribe of the Mississippi in Iowa |
| 100000249 | Saginaw Chippewa Indian Tribe of Michigan |
| 100000520 | Saint George Island (See Pribilof Islands Aleut Communities of St. Paul & St. George Islands) |
| 100000522 | Saint Paul Island (See Pribilof Islands Aleut Communities of St. Paul & St. George Islands) |
| 100000251 | Saint Regis Mohawk Tribe |
| 100000523 | Salamatof Tribe |
| 100000252 | Salt River Pima-Maricopa Indian Community of the Salt River Reservation, Arizona |
| 100000253 | Samish Indian Nation |
| 100000254 | San Carlos Apache Tribe of the San Carlos Reservation, Arizona |
| 100000255 | San Juan Southern Paiute Tribe of Arizona |
| 100000257 | San Pasqual Band of Diegueno Mission Indians of California |
| 100000259 | Santa Rosa Band of Cahuilla Indians, California |
| 100000258 | Santa Rosa Indian Community of the Santa Rosa Rancheria, California |
| 100000260 | Santa Ynez Band of Chumash Mission Indians of the Santa Ynez Reservation, California |
| 100000261 | Santee Sioux Nation, Nebraska |
| 100000123 | Santo Domingo Pueblo |
| 100000262 | Sauk-Suiattle Indian Tribe |
| 100000263 | Sault Ste. Marie Tribe of Chippewa Indians, Michigan |
| 100000264 | Scotts Valley Band of Pomo Indians of California |
| 100000528 | Seldovia Village Tribe |
| 100000266 | Seminole Tribe of Florida |
| 100000267 | Seneca Nation of Indians |
| 100000268 | Seneca-Cayuga Nation |
| 100000529 | Shageluk Native Village |
| 100000269 | Shakopee Mdewakanton Sioux Community of Minnesota |
| 100000270 | Shawnee Tribe |
| 100000271 | Sherwood Valley Rancheria of Pomo Indians of California |
| 100000272 | Shingle Springs Band of Miwok Indians, Shingle Springs Rancheria (Verona Tract), California |
| 100000273 | Shinnecock Indian Nation |
| 100000274 | Shoalwater Bay Indian Tribe of the Shoalwater Bay Indian Reservation |
| 100000276 | Shoshone-Bannock Tribes of the Fort Hall Reservation |
| 100000277 | Shoshone-Paiute Tribes of the Duck Valley Reservation, Nevada |
| 100000278 | Sisseton-Wahpeton Oyate of the Lake Traverse Reservation, South Dakota |
| 100000533 | Sitka Tribe of Alaska |
| 100000534 | Skagway Village |
| 100000279 | Skokomish Indian Tribe |
| 100000280 | Skull Valley Band of Goshute Indians of Utah |
| 100000282 | Snoqualmie Indian Tribe |
| 100000283 | Soboba Band of Luiseno Indians, California |
| 100000284 | Sokaogon Chippewa Community, Wisconsin |
| 100000537 | South Naknek Village |
| 100000285 | Southern Ute Indian Tribe of the Southern Ute Reservation, Colorado |
| 100000286 | Spirit Lake Tribe, North Dakota |
| 100000287 | Spokane Tribe of the Spokane Reservation |
| 100000288 | Squaxin Island Tribe of the Squaxin Island Reservation |
| 100000250 | St. Croix Chippewa Indians of Wisconsin |
| 100000289 | Standing Rock Sioux Tribe of North & South Dakota |
| 100000538 | Stebbins Community Association |
| 100000291 | Stillaguamish Tribe of Indians of Washington |
| 100000290 | Stockbridge Munsee Community, Wisconsin |
| 100000292 | Summit Lake Paiute Tribe of Nevada |
| 100000541 | Sun'aq Tribe of Kodiak |
| 100000293 | Suquamish Indian Tribe of the Port Madison Reservation |
| 100000294 | Susanville Indian Rancheria, California |
| 100000295 | Swinomish Indian Tribal Community |
| 100000296 | Sycuan Band of the Kumeyaay Nation |
| 100000297 | Table Mountain Rancheria |
| 100000542 | Takotna Village |
| 100000545 | Tangirnaq Native Village |
| 100000299 | Te-Moak Tribe of Western Shoshone Indians of Nevada (Four constituent bands: Battle Mountain Band; Elko Band; South Fork Band; and Wells Band) |
| 100000298 | Tejon Indian Tribe |
| 100000548 | Telida Village |
| 100000041 | The Chickasaw Nation |
| 100000045 | The Choctaw Nation of Oklahoma |
| 100000169 | The Muscogee (Creek) Nation |
| 100000185 | The Osage Nation |
| 100000265 | The Seminole Nation of Oklahoma |
| 100000300 | Thlopthlocco Tribal Town |
| 100000301 | Three Affiliated Tribes of the Fort Berthold Reservation, North Dakota |
| 100000071 | Timbisha Shoshone Tribe |
| 100000302 | Tohono O'odham Nation of Arizona |
| 100000281 | Tolowa Dee-ni' Nation |
| 100000303 | Tonawanda Band of Seneca |
| 100000304 | Tonkawa Tribe of Indians of Oklahoma |
| 100000305 | Tonto Apache Tribe of Arizona |
| 100000306 | Torres Martinez Desert Cahuilla Indians, California |
| 100000552 | Traditional Village of Togiak |
| 100000308 | Tulalip Tribes of Washington |
| 100000307 | Tule River Indian Tribe of the Tule River Reservation, California |
| 100000553 | Tuluksak Native Community |
| 100000309 | Tunica-Biloxi Indian Tribe |
| 100000310 | Tuolumne Band of Me-Wuk Indians of the Tuolumne Rancheria of California |
| 100000311 | Turtle Mountain Band of Chippewa Indians of North Dakota |
| 100000312 | Tuscarora Nation |
| 100000313 | Twenty-Nine Palms Band of Mission Indians of California |
| 100000556 | Twin Hills Village |
| 100000558 | Ugashik Village |
| 100000559 | Umkumiut Native Village |
| 100000314 | United Auburn Indian Community of the Auburn Rancheria of California |
| 100000315 | United Keetoowah Band of Cherokee Indians in Oklahoma |
| 100000596 | Upper Mattaponi Tribe |
| 100000316 | Upper Sioux Community, Minnesota |
| 100000317 | Upper Skagit Indian Tribe |
| 100000318 | Ute Indian Tribe of the Uintah & Ouray Reservation, Utah |
| 100000319 | Ute Mountain Ute Tribe |
| 100000320 | Utu Utu Gwaitu Paiute Tribe of the Benton Paiute Reservation, California |
| 100000346 | Village of Alakanuk |
| 100000352 | Village of Anaktuvuk Pass |
| 100000355 | Village of Aniak |
| 100000360 | Village of Atmautluak |
| 100000365 | Village of Bill Moore's Slough |
| 100000373 | Village of Chefornak |
| 100000386 | Village of Clarks Point |
| 100000389 | Village of Crooked Creek |
| 100000393 | Village of Dot Lake |
| 100000423 | Village of Iliamna |
| 100000430 | Village of Kalskag |
| 100000431 | Village of Kaltag |
| 100000449 | Village of Kotlik |
| 100000459 | Village of Lower Kalskag |
| 100000494 | Village of Ohogamiut |
| 100000518 | Village of Red Devil |
| 100000535 | Village of Sleetmute |
| 100000536 | Village of Solomon |
| 100000540 | Village of Stony River |
| 100000562 | Village of Venetie (See Native Village of Venetie Tribal Government) |
| 100000564 | Village of Wainwright |
| 100000321 | Walker River Paiute Tribe of the Walker River Reservation, Nevada |
| 100000322 | Wampanoag Tribe of Gay Head (Aquinnah) |
| 100000323 | Washoe Tribe of Nevada & California (Carson Colony, Dresslerville Colony, Woodfords Community, Stewart Community, & Washoe Ranches) |
| 100000324 | White Mountain Apache Tribe of the Fort Apache Reservation, Arizona |
| 100000325 | Wichita and Affiliated Tribes (Wichita, Keechi, Waco, & Tawakonie), Oklahoma |
| 100000326 | Wilton Rancheria, California |
| 100000327 | Winnebago Tribe of Nebraska |
| 100000328 | Winnemucca Indian Colony of Nevada |
| 100000329 | Wiyot Tribe, California |
| 100000567 | Wrangell Cooperative Association |
| 100000330 | Wyandotte Nation |
| 100000568 | Yakutat Tlingit Tribe |
| 100000331 | Yankton Sioux Tribe of South Dakota |
| 100000332 | Yavapai-Apache Nation of the Camp Verde Indian Reservation, Arizona |
| 100000333 | Yavapai-Prescott Indian Tribe |
| 100000334 | Yerington Paiute Tribe of the Yerington Colony & Campbell Ranch, Nevada |
| 100000335 | Yocha Dehe Wintun Nation, California |
| 100000336 | Yomba Shoshone Tribe of the Yomba Reservation, Nevada |
| 100000337 | Ysleta del Sur Pueblo |
| 100000256 | Yuhaaviatam of San Manuel Nation |
| 100000353 | Yupiit of Andreafski |
| 100000338 | Yurok Tribe of the Yurok Reservation, California |
| 100000339 | Zuni Tribe of the Zuni Reservation, New Mexico |