The American Indian Community Center(AICC) is a non-profit organization that was founded in 1967 as a social gathering place for American Indians and evolved.

Chinookan peoples include several groups of indigenous people of the Pacific Northwest in the United States who speak the Chinookan languages. In the early 19th century,

The Yakama Indian Reservation is made up of Klikitat, Palus, Wallawalla, Wanapam, Wenatchi, Wishram, and Yakama peoples located in Washington, State.

The Confederated Tribes of Chehalis of Upper and Lower Chehalis, Klallam, Muckleshoot, Nisqually, and Quinault peoples. One of the Northern Straits branch Central Coast Salish peoples of indigenous peoples of the Northwest Coast.

The Confederated Tribes of the Colville Reservation is the federally recognized tribe that controls the Colville Indian Reservation, which is located in northeastern Washington, United States. It is the government for its people.

The Cowlitz Indian Tribe  Southwestern Coast Salish and Sahaptan people indigenous people of the Pacific Northwest located in Washington.

The Hoh or Chalá·at (′Those-Who-Live-on-the-Hoh River′ or ′People of the Hoh River′) live in W. Washington state.

The Jamestown S'Klallam Tribe is a federally recognized tribe of S'Klallam or Klallam Native Americans. They are on the northern Olympic Peninsula of Washington state in the northwestern United States.

The Kalispel Indian Community of the Kalispel Reservation is a federally recognized tribe of Lower Kalispel people, located in Washington. They are an Indigenous people of the Northwest Plateau.

The Lower Elwha Tribal Community is a federally recognized nation in Washington state in the Pacific Northwest of the United States. The tribe is part of the larger Klallam culture,  Coast Salish peoples.

The tribe lives on the Lummi Indian Reservation in the inland northwest corner of Washington, 8 miles west of Bellingham and 20 miles  south of the Canadian border, in western Whatcom County.

Makah Reservation is an Indian reservation of the Makah Native Americans located on the northwestern tip of the Olympic Peninsula in Clallam County, Washington

The Muckleshoot Indian Tribe is a federally recognized Indian tribe whose membership is composed of descendants of the Duwamish and Upper Puyallup people

The Nisqually (ˌnɪsˈkwɔːliː) is a Lushootseed-speaking Native American tribe in western Washington state in the United States.They are a Southern Coast Salish people.

The Nooksack are a federally recognized Native American people in northwestern Washington state in the United States

Port Gamble S'Klallam Tribe is a federally recognized tribe of S’Klallam people, located on the Kitsap Peninsula in Washington. 

Puyallup Tribe of the Puyallup Reservation is located in Tacoma, Washington.

Quileute Tribe of the Quileute Reservation is located in Clallam County, Washington coast and were a whaling people in years past.

Quinault Indian Nation consist of the Quinault, Queets, Quileute, Hoh, Chehalis, Chinook and Cowlitz tribes in the Pacific NW

 The Samish Nation is headquartered in Anacortes, Fidalgo Island, in Washington, north of Puget Sound.

Sauk-Suiattle Indian Tribe is located in western Washington state with a Lushootseed dialect.

The AIWSL eventually became the Seattle Indian Center, which continues to provide services to Native Americans in Seattle today.

Shoalwater Bay Indian Tribe of the Shoalwater Bay Indian Reservation is located in western Washington state in Pacific County.

Skokomish Indian Tribe are of the Southern Coast Salish people of Pacific Northwest located in Washington and are one of nine bands of Twana people.

 Snoqualmie Indian Tribe are located in the King and Snohomish Counties in Washington state.

Spokane Tribe of the Spokane Reservation is located in Lincoln County speaking an Interior Salishan language in northeastern Washington.

Squaxin Island Tribe of the Squaxin Island Reservation is located in western Washington and is made up of the Lushootseed people along the inlets of Puget Sound.

Stillaguamish Tribe of Indians of Washington are a Salish group located in the Pacific Northwest part of Washington.

Suquamish Indian Tribe of the Port Madison Reservation is located in Washington and the City of Seattle is named after a Chief.

Swinomish Indian Tribal Community includes Swinomish, Lower Skagit, Upper Skagit, Kikiallus and Samish peoples on Puget Sound Washington.

Tulalip Tribes of Washington consists of the tribes of Duwamish, Snohomish, Snoquaimie, Skagit, Suiattle, Samish, and Stillaquamish people located in Puget Sound region of WA.

Upper Skagit Indian Tribe is located in Skagit County, Washington.