| Washington Ornithological SocietySeattle | Form 990-N | No figure |
| Toastmasters InternationalSeattle | Form 990-N | No figure |
| Snohomish County Hams ClubEverett | Form 990-N | No figure |
| The Dupont Historical SocietyDuPont | Form 990-N | No figure |
| Tukwila Historical SocietyTukwila | Form 990-N | No figure |
| Grays Harbor Amateur Radio ClubAberdeen | Form 990-N | No figure |
| Touch of ClassVancouver | Form 990-N | No figure |
| Toastmasters InternationalOak Harbor | Form 990-N | No figure |
| Fiske Genealogical FoundationSeattle | Form 990-N | No figure |
| Seattle Fireboat DuwamishSeattle | Form 990-N | No figure |
| Ye Merrie Greenwood PlayersKennewick | Form 990-N | No figure |
| New Old Time ChautauquaSeattle | Form 990-N | No figure |
| Filipino-American Community of RentonSeattle | Form 990-N | No figure |
| Women in Film-SeattleSeattle | Form 990-N | No figure |
| Messiah for ReliefSeattle | Form 990-N | No figure |
| Inland Northwest Dance AssociationVeradale | Form 990-N | No figure |
| Toastmasters InternationalTacoma | Form 990-N | No figure |
| Chinese Arts and Music AssociationBellevue | Form 990-EZ | $0FY2025 |
| Pacific Northwest Section Assoc for Diagnostics & Laboratory MedicineSeattle | Form 990-N | No figure |
| Filipino-American Assoication of the Tri-CitiesKennewick | Form 990-N | No figure |
| Peninsula Community ChorusGig Harbor | Form 990-N | No figure |
| Peninsula Chamber SingersSequim | Form 990-N | No figure |
| La Center Music AssociationLa Center | Form 990-N | No figure |
| Whatcom Maritime Historical SocietyBellingham | Form 990-N | No figure |
| Story People of Clallam CountyPort Angeles | Form 990-N | No figure |
| Friends of the Clinton LibraryClinton | Form 990-N | No figure |
| Internl Assn Jewish Gen Soc Washington State Jewish Gen SocSeattle | Form 990-N | No figure |
| Society for Calligraphy and HandwritingRedmond | Form 990-N | No figure |
| Olympic B Nai Shalom HavurahPort Angeles | Form 990-N | No figure |
| The Columbia ChoraleWenatchee | Form 990-N | No figure |
| Inland Empire Blues SocietySpokane Valley | Form 990-N | No figure |
| Pacific Rim Law & Policy Journal AssociationSeattle | Form 990-N | No figure |
| Northwest Youth Symphony AssociationMount Vernon | Form 990-N | No figure |
| Pacific Northwest ViolsSeattle | Form 990-N | No figure |
| Pacific Northwest Aleut CouncilLynnwood | Form 990-N | No figure |
| Sequoia Campus Homeschool Alternative PTSA 7 3 90Everett | Form 990-N | No figure |
| Childrens Dance TheaterOmak | Form 990-N | No figure |
| Battery CPL Willis S Cole Military MuseumAirway Heights | Form 990-N | No figure |
| Washington Civil War AssociationCheney | Form 990-N | No figure |
| The Glenrose AssociationSpokane | Form 990-N | No figure |
| Ferndale Heritage SocietyFerndale | Form 990-N | No figure |
| Olympia Poetry NetworkOlympia | Form 990-N | No figure |
| Tacoma-Pierce County Sports MuseumPuyallup | Form 990-N | No figure |
| Seattle Chamber PlayersSeattle | Form 990-N | No figure |
| Armenian-American Cultural & Educational Society of SeattleRedmond | Form 990-N | No figure |
| North Cascades Concert BandBellingham | Form 990-N | No figure |
| Valley Arts SocietyTacoma | Form 990-N | No figure |
| Pacific Northwest Museum of MotorcyclingVashon | Form 990-N | No figure |
| The Boeing Employees ChoirSeattle | Form 990-N | No figure |
| Monarch Contemporary Art Center and Sculpture ParkTenino | Form 990-N | No figure |