| Mullenix Ridge PTA 1 8 8Tacoma | Form 990-EZ | $36,200FY2025 |
| Interlake Music Parents AssociationBellevue | Form 990-N | No figure |
| American Chemical SocietyCollege Place | Form 990-N | No figure |
| Sentinels Booster Club of Steilacoom High SchoolSteilacoom | Form 990-EZ | $35,538FY2025 |
| Bremerton Rotary FoundationBremerton | Form 990 | $35,104FY2025 |
| Oregon Academy of Nutrition and DieteticsSeattle | Form 990-N | No figure |
| South Park Area Redevelopment CommitteeSeattle | Form 990-N | No figure |
| Arts and Visually Impaired AudiencesSeattle | Form 990-N | No figure |
| Puget Sound Association of the DeafSeattle | Form 990-N | No figure |
| Washington State Mathematics CouncilSelah | Form 990-EZ | $33,385FY2025 |
| PTA Issaquah Challenger 2 6 6Tacoma | Form 990-EZ | $33,261FY2025 |
| Kiwanis Foundation of Port AngelesPort Angeles | Form 990-N | No figure |
| Feminist Karate UnionSeattle | Form 990-N | No figure |
| Key Peninsula Historic SocietyVaughn | Form 990-N | No figure |
| Northshore Girls Slowpitch Softball AssociationBothell | Form 990-N | No figure |
| Call to Be Family - Lutheran Marriage EncounterOak Harbor | Form 990-N | No figure |
| Heritage Quest Research LibraryPuyallup | Form 990-N | No figure |
| Sam Hicks Emergency Relief Interim First FundSeattle | Form 990-N | No figure |
| Economic Alliance Snohomish County Center for Business and EmploymentEverett | Form 990-N | No figure |
| Seattle Families of MultiplesSeattle | Form 990-EZ | $29,122FY2025 |
| Auburn Respite ProgramAuburn | Form 990-N | No figure |
| South Ridge PTA 3 6 35Vancouver | Form 990-EZ | $28,182FY2025 |
| Living Faith - Lee Singers IncVancouver | Form 990-N | No figure |
| Northwest Basket Weavers Vi Phillips GuildSeattle | Form 990-EZ | $27,103FY2024 |
| Meadowdale Elementary Parents ClubLynnwood | Form 990-N | No figure |
| S T MinistriesLakewood | Form 990-N | No figure |
| Wenatchee Valley Follies Guild and Childrens FoundationWenatchee | Form 990-N | No figure |
| Finnish American Folk Festival of NaselleNaselle | Form 990-N | No figure |
| Marshall Elementary PTSA Marysville Council 7413Marysville | Form 990-N | No figure |
| Sedro Woolley Volunteer Fire Dept AssnSedro-Woolley | Form 990-N | No figure |
| Seattle Childrens HospitalSeattle | Form 990-N | No figure |
| Inland Empire Arabian Horse Association IncSpokane Valley | Form 990-EZ | $22,844FY2024 |
| Camp Kiwanis Foundation IncWalla Walla | Form 990-N | No figure |
| 4 X 4 Rescue Council IncBellevue | Form 990-N | No figure |
| American Society for Training and DevelopmentSeattle | Form 990-N | No figure |
| Friends of the Spokane Public Library IncSpokane | Form 990-N | No figure |
| Buckley Senior CitizensBuckley | Form 990-N | No figure |
| Burien Arts AssociationBurien | Form 990-N | No figure |
| Bainbridge Island Theater EnsembleBainbridge Island | Form 990-N | No figure |
| Seattle Childrens HospitalSeattle | Form 990-N | No figure |
| Royal Ridges Retreat at Andersen RanchBattle Ground | Form 990-N | No figure |
| Daffodil FoundationSumner | Form 990-N | No figure |
| Spokane Winter Knights AssociationNewman Lake | Form 990-EZ | $17,885FY2025 |
| Exit GenerationBlaine | Form 990-N | No figure |
| Northwest Christian Camps IncMountlake Terrace | Form 990-N | No figure |
| Seattle Childrens HospitalSeattle | Form 990-N | No figure |
| Sound WorksPoulsbo | Form 990-N | No figure |
| Pullman Civic TRPullman | Form 990-N | No figure |
| Pacific Northwest Archaeological SocietyTumwater | Form 990-N | No figure |
| Society for Preservation & Encourmt of Barbershop Quartet Singing AmerBellingham | Form 990-EZ | $14,305FY2025 |