| <Agency Code> | <Agency Desc> | <Agency Type> | <Agency Type Desc> |
|---|---|---|---|
| 624 | Paiute-Shoshone Indians of the Lone Pine Community of Lone Pine Reservation,CA | T | TRIBAL |
| 115 | Puyallup Tribe of Puyallup Reservation, WA | T | TRIBAL |
| 642 | Duckwater Shoshone Tribe of Duckwater Reservation, NV | T | TRIBAL |
| 582 | Morongo Band of Mission Indians, CA | T | TRIBAL |
| 606 | Hualapai Indian Tribe of Hualapai Indian Reservation, AZ | T | TRIBAL |
| 568 | Cabazon Band of Mission Indians, CA | T | TRIBAL |
| 542 | Santa Rosa Indian Community of Santa Rosa Rancheria, CA | T | TRIBAL |
| 1320 | Institute for Tribal Environmental Professionals - NAU | T | TRIBAL |
| 105 | Confederated Tribe of Chehalis Reservation, WA | T | TRIBAL |
| 103 | Kalispel Indian Community of Kalispel Reservation, WA | T | TRIBAL |
| 120 | Skokomish Indian Tribe of Skokomish Reservation, WA | T | TRIBAL |
| 102 | Spokane Tribe of Spokane Reservation, WA | T | TRIBAL |
| 405 | Minnesota Chippewa Tribe, MN (Fond du Lac Band) | T | TRIBAL |
| 561 | Hoopa Valley Tribe, CA | T | TRIBAL |
| 576 | La Jolla Band of Luiseno Indians, CA | T | TRIBAL |
| 586 | Pechanga Band of Luiseno Mission Indians of Pechanga Reservation, CA | T | TRIBAL |
| 409 | Red Lake Band of Chippewa Indians, MN | T | TRIBAL |
| 927 | Kaw Nation | T | TRIBAL |
| 114 | Suquamish Indian Tribe of Port Madison Reservation, WA | T | TRIBAL |
| 1262 | Tribal Air Monitoring Support - Nau | T | TRIBAL |
| 122 | Swinomish Indians of Swinomish Reservation, WA | T | TRIBAL |
| 303 | Spirit Lake Tribe, ND | T | TRIBAL |
| 201 | Blackfeet Tribe of Blackfeet Indian Reservation of Montana | T | TRIBAL |
| 301 | Three Affiliated Tribes of Fort Berthold Reservation, ND | T | TRIBAL |
| 687 | Ute Indian Tribe of Uintah & Ouray Reservation, UT | T | TRIBAL |
| 007 | St. Regis Mohawk Tribe, New York | T | TRIBAL |
| 281 | Arapahoe Tribe of The Wind River Reservation, WY | T | TRIBAL |
| 181 | Coeur D'Alene Tribe of The Coeur D'Alene Reservation, ID | T | TRIBAL |
| 780 | Navajo Nation, AZ, NM, UT | T | TRIBAL |
| 863 | Sac and Fox Nation of Missouri in KS & NE | T | TRIBAL |
| 614 | Gila River Indian Community of Gila River Indian Reservation, AZ | T | TRIBAL |
| 183 | Kootenai Tribe of Idaho | T | TRIBAL |
| 180 | Shoshone-Bannock Tribes of Fort Hall Reservation of Idaho | T | TRIBAL |
| 202 | Crow Tribe of Montana | T | TRIBAL |
| 204 | Fort Belknap Indian Community of Fort Belknap Reservation of Montana | T | TRIBAL |
| 706 | Pueblo of Jemez, NM | T | TRIBAL |
| 001 | Eastern Band Of Cherokee Indians of North Carolina | T | TRIBAL |
| 812 | Pawnee Nation of Oklahoma | T | TRIBAL |
| 813 | Ponca Tribe of Indians of Oklahoma | T | TRIBAL |
| 824 | Sac and Fox Nation, OK | T | TRIBAL |
| 344 | Oglala Sioux Tribe of Pine Ridge Reservation, SD | T | TRIBAL |
| 430 | Bad River Band of Lake Superior Tribe of Chippewa Indians of Bad River, WI | T | TRIBAL |
| 432 | Lac Du Flambeau Band of Lake Superior Chippewa Indians of Lac Du Flambeau Reservation of WI | T | TRIBAL |
| 440 | Menominee Indian Tribe of Wisconsin | T | TRIBAL |
| 433 | Oneida Tribe of Indians of Wisconsin | T | TRIBAL |
| 434 | Forest County Potawatomi Community, WI | T | TRIBAL |
| 438 | Stockbridge Munsee Community, WI | T | TRIBAL |
| 014 | Passamaquoddy Tribe of Maine | T | TRIBAL |
| 407 | Minnesota Chippewa Tribe, MN (Leech Lake Band) | T | TRIBAL |
| 018 | Penobscot Tribe of Maine | T | TRIBAL |
| 615 | Salt River Pima-Maricopa Indian Community of Salt River Reservation, AZ | T | TRIBAL |
| 117 | Quinault Tribe of Quinault Reservation, WA | T | TRIBAL |
| 124 | Confederated Tribes & Bands of Yakama Nations, WA | T | TRIBAL |
| 031 | Aroostook Band of Micmac Indians of Maine | T | TRIBAL |
| 725 | Ysleta Del Sur Pueblo of Texas | T | TRIBAL |
| 905 | Cherokee Nation, Oklahoma | T | TRIBAL |
| 656 | Walker River Paiute Tribe of Walker River Reservation, NV | T | TRIBAL |
| 587 | Rincon Band of Luiseno Mission Indians of the Rincon Reservation, CA | T | TRIBAL |
| 143 | Confederated Tribes of Umatilla Reservation of Oregon | T | TRIBAL |
| 653 | Reno/Sparks Indian Colony, NV | T | TRIBAL |
| 660 | Yerington Paiute Tribe of Yerington Colony & Campbell Ranch, NV | T | TRIBAL |
| 612 | Ak Chin Indian Community of Maricopa (Ak Chin) Indian Reservation, AZ | T | TRIBAL |
| 583 | Pala Band of Luiseno Mission Indians of Pala Reservation, CA | T | TRIBAL |
| 558 | Blue Lake Rancheria, CA | T | TRIBAL |
| W27 | All Indian Pueblo Council/POEP (consortium) | T | TRIBAL |
| W44 | Inter-tribal Council of MIchigan, Inc. | T | TRIBAL |
| W32 | Cherokee Nation/ITEC (consortium) | T | TRIBAL |
| 017 | Passamaquoddy Tribe of Maine (Pleasant Point) | T | TRIBAL |
| 607 | White Mountain Apache Tribe of Ft Apache Reservation, AZ | T | TRIBAL |
| 483 | Little Traverse Bay Bands of Odawa Indians, MI | T | TRIBAL |
| 613 | Fort McDowell Yavapai Nation, AZ | T | TRIBAL |
| 133 | Samish Indian Tribe, Washington | T | TRIBAL |
| 648 | Las Vegas Tribe of Paiute Indians of the Las Vegas Indian Colony, NV | T | TRIBAL |
| 907 | Choctaw Nation of Oklahoma | T | TRIBAL |
| 549 | Paiute-Shoshone Indians of Bishop Community of Bishop Colony, CA | T | TRIBAL |
| 562 | Yurok Tribe of the Yurok Reservation, CA | T | TRIBAL |
| 651 | Pyramid Lake Paiute Tribe of Pyramid Lake Reservation, NV | T | TRIBAL |
| 016 | Passamaquoddy Tribe of Maine (Indian Township) | T | TRIBAL |
| 408 | Minnesota Chippewa Tribe, MN (Mille Lacs Band) | T | TRIBAL |
| 830 | Alabama-Coushatta Tribe of Texas | T | TRIBAL |
| 382 | Santee Sioux Tribe Nation, NE | T | TRIBAL |
| 383 | Winnebago Tribe of Nebraska | T | TRIBAL |
| 595 | Torres-Martinez Cahuilla Indians, California | T | TRIBAL |
| 406 | Minnesota Chippewa Tribe, MN (Grand Portage) | T | TRIBAL |
| 101 | Confederated Tribe of the Colville Reservation, Washington | T | TRIBAL |
| 702 | Mescalero Apache Tribe of Mescalero Reservation, NM | T | TRIBAL |
| 718 | Pueblo of Taos, NM | T | TRIBAL |
| 720 | Pueblo of Zia, NM | T | TRIBAL |
| 715 | Pueblo of Santa Ana, NM | T | TRIBAL |
| 1385 | Gulf Coast STORET, LLC | T | TRIBAL |
| 126 | Snoqualmie Tribe, WA | T | TRIBAL |
| 751 | Ute Mountain Tribe of the Ute Mountain Reservation, CO, NM, & UT | T | TRIBAL |
| 145 | Confederated Tribes of Warm Springs Reservation of Oregon | T | TRIBAL |
| 152 | Confederated Tribes of the Coos, Lower Umpqua and Siuslaw Indians of Oregon | T | TRIBAL |
| 108 | Makah Indian Tribe of Mekah Indian Reservation, WA | T | TRIBAL |
| 570 | Campo Band of Diegueno Mission Indians of Campo Indian Reservation, CA | T | TRIBAL |
| 921 | Eastern Shawnee Tribe of Oklahoma | T | TRIBAL |
| 579 | Manzanita Band of Diegueno Mission Indians of Manzanita Reservation, CA | T | TRIBAL |
| 862 | Prairie Band of Potawatomi Nation,KS | T | TRIBAL |
| 468 | Grand Traverse Band of Ottawa And Chippewa Indians, MI | T | TRIBAL |
| 030 | Wampanoag Tribe of Gay Head (Aquinnah) of Massachusetts | T | TRIBAL |
| 182 | Nez Perce Tribe, Idaho | T | TRIBAL |
| 807 | Delaware Nation, OK | T | TRIBAL |
| 195 | Northwestern Band of Shoshoni Nation of Utah (Washakie) | T | TRIBAL |
| 203 | Confederated Salish & Kootenai Tribes of Flathead Reservation, MT | T | TRIBAL |
| 206 | Assiniboine & Sioux Tribes of Fort Peck Indian Reservation, MT | T | TRIBAL |
| 207 | Northern Cheyenne Tribe of Northern Cheyenne Indian Reservation, MT | T | TRIBAL |
| 750 | Southern Ute Indian Tribe of Southern Ute Reservation, CO | T | TRIBAL |
| 131 | Upper Skagit Indian Tribe of Washington | T | TRIBAL |
| 282 | Shoshone Tribe of The Wind River Reservation, WY | T | TRIBAL |
| 577 | La Posta Band of Dieguento Mission Indians of La Posta Indian Reservation, CA | T | TRIBAL |
| 920 | Quapaw Tribe of Indians, OK | T | TRIBAL |
| 525 | Fort Independence Indian Community of Paiute Indians of Ft Independence, CA | T | TRIBAL |
| 513 | Cortina Indian Rancheria of Wintun Indians, CA | T | TRIBAL |
| 482 | Little River Band of Ottawa Indians, MI | T | TRIBAL |
| 926 | Picayune Rancheria of Chukchansi Indians of California | T | TRIBAL |
| 534 | Picayune Ranceria of Chukchansi Indians of California | T | TRIBAL |
| 123 | Tulalip Triber of Tulalip Reservation, WA | T | TRIBAL |
| 481 | Nottawaseppi Huron Band of Potawatomi, MI | T | TRIBAL |
| 928 | UTE Mountain UTE Tribe | T | TRIBAL |
| 924 | Wyandotte Tribe of Oklahoma | T | TRIBAL |
| 426 | White Earth Band of Minnesota Chippewa Tribe | T | TRIBAL |