| Greater Seattle Intergroup Assn of Alcoholics AnonynousSeattle | Form 990 | $230,247FY2025 |
| Parent Booster USA IncLacey | Form 990 | $229,278FY2025 |
| Harmony House North AssociationEverett | Form 990 | $228,989FY2025 |
| The Skyline Foundation C/O Skyline HospitalWhite Salmon | Form 990 | $225,488FY2024 |
| Little League Baseball IncShoreline | Form 990 | $223,970FY2025 |
| Human Life of Washington Education FoundationSpokane Valley | Form 990 | $223,600FY2024 |
| Little League Baseball IncKirkland | Form 990 | $221,699FY2025 |
| Little League Baseball IncSeattle | Form 990 | $220,684FY2025 |
| Greenwood PTA Seattle CouncilSeattle | Form 990 | $219,857FY2025 |
| Aha Pierce County AssociationSeattle | Form 990 | $219,193FY2025 |
| Northwest Symphony OrchestraSeattle | Form 990 | $218,421FY2025 |
| Little League Baseball IncPasco | Form 990 | $216,411FY2025 |
| Whatcom Art GuildBellingham | Form 990 | $214,666FY2025 |
| Post Falls RHF Housing IncSpokane | Form 990 | $214,592FY2026 |
| Society for Preservation & Encrgmnt of Barbershop Quartet Singing AmerTacoma | Form 990 | $214,581FY2025 |
| Spokane Police Chaplain Advisory BoardSpokane | Form 990 | $214,368FY2025 |
| Manaway Evangelistic MinistriesSeattle | Form 990 | $214,066FY2025 |
| Orcas Island Education FoundationEastsound | Form 990 | $214,048FY2025 |
| Washington Association for Pupil TransportationYakima | Form 990 | $213,655FY2025 |
| Edge OutdoorsBothell | Form 990 | $212,626FY2024 |
| Green Lake Elementary School Parent Teacher AssociationSeattle | Form 990 | $212,013FY2025 |
| Little League Baseball IncFederal Way | Form 990 | $211,354FY2025 |
| Deaf CenterVancouver | Form 990 | $211,147FY2024 |
| GreenstageSeattle | Form 990 | $211,091FY2025 |
| Thomas Jefferson Raider Parent MovementFederal Way | Form 990 | $208,314FY2025 |
| Little League Baseball IncSeattle | Form 990 | $207,909FY2025 |
| Bellevue International School PTSA 2 3 121Tacoma | Form 990 | $207,171FY2025 |
| Washington State Association of Municipal AttorneysTacoma | Form 990 | $204,241FY2025 |
| Pioneer Association of the State of WashingtonSeattle | Form 990 | $203,920FY2025 |
| Pomeroy Living History FarmYacolt | Form 990 | $203,544FY2025 |
| Sunrise Court HousingSeattle | Form 990 | $203,514FY2025 |
| Dayton Depot Historical SocietyDayton | Form 990 | $203,397FY2024 |
| Otherworld Media IncFreeland | Form 990 | $203,304FY2025 |
| Tonasket Food BankTonasket | Form 990 | $202,290FY2025 |
| The Fuller Center for Housing IncQuincy | Form 990 | $202,141FY2025 |
| Little League Baseball IncMill Creek | Form 990 | $201,701FY2025 |
| Washington Idaho Symphony AssociationPullman | Form 990 | $200,890FY2025 |
| Key Peninsula Civic Center AssociationVaughn | Form 990 | $200,204FY2024 |
| Lopez Island Historical SocietyLopez Island | Form 990 | $200,019FY2025 |
| Puget Sound Maritime Historical Society IncSeattle | Form 990-EZ | $199,897FY2025 |
| Jobs Daughters InternationalBurien | Form 990 | $199,836FY2025 |
| Reachout MinistriesLong Beach | Form 990-EZ | $198,820FY2025 |
| Spokane Area Childrens ChorusSpokane | Form 990 | $198,477FY2025 |
| Bonney Lake Baseball AssociationBonney Lake | Form 990-EZ | $198,438FY2025 |
| Channel of Love MinistriesPort Orchard | Form 990-EZ | $197,656FY2025 |
| Inland Empire Railway Historical SocietyReardan | Form 990 | $196,495FY2025 |
| Washington Interscholastic Activities AssociationMontesano | Form 990-EZ | $195,815FY2025 |
| Cowlitz ChaplaincyLongview | Form 990 | $194,822FY2025 |
| Little League Baseball IncKent | Form 990-EZ | $194,540FY2025 |
| Bellevue High School PTSABellevue | Form 990-EZ | $193,797FY2025 |