| Olympia High School Alumni AssociationOlympia | Form 990-N | No figure |
| Olympia Microcomputer Users GroupOlympia | Form 990-N | No figure |
| Lewis County Clothing and Textile AdvisorsChehalis | Form 990-N | No figure |
| Society for NeuroscienceSeattle | Form 990-N | No figure |
| Glacier View PTSAPuyallup | Form 990-N | No figure |
| The Friends of the Wenatchee Public LibraryWenatchee | Form 990-N | No figure |
| S & B RetreatStanwood | Form 990-N | No figure |
| Friends of Skagit LibrariesSedro-Woolley | Form 990-N | No figure |
| Alpha Omicron Boule FoundationSeattle | Form 990-N | No figure |
| Snohomish High School Panther Parents ClubSnohomish | Form 990-N | No figure |
| Horizon Middle School PTA Spokane ValleySpokane Valley | Form 990-N | No figure |
| York Elementary PTA 3 6 52Vancouver | Form 990-N | No figure |
| Friends of the Denny Ashby LibraryPomeroy | Form 990-N | No figure |
| Napavine Elementary PTA 4 6 38Napavine | Form 990-N | No figure |
| Upper Skagit Library FoundationConcrete | Form 990-N | No figure |
| Thorndyke PTATukwila | Form 990-N | No figure |
| Legacy High School PTSA 7 4 55Tulalip | Form 990-N | No figure |
| Pete Peterson Scholarship FundSnoqualmie | Form 990-N | No figure |
| Blaine Fine Arts AssociationBlaine | Form 990-N | No figure |
| Canyon Creek BoostersWashougal | Form 990-N | No figure |
| West Seattle High School FoundationSeattle | Form 990-N | No figure |
| Finley Elementary Parent Teacher GroupKennewick | Form 990-N | No figure |
| Port Townsend Education FoundationPort Townsend | Form 990-N | No figure |
| Friends of the Point Roberts LibraryPoint Roberts | Form 990-N | No figure |
| Colville Public Library Improvement ClubColville | Form 990-N | No figure |
| Grove Elementary PTA 7 4 7Marysville | Form 990-N | No figure |
| Sequim Schools Alumni AssociationSequim | Form 990-N | No figure |
| South Sound Lactation NetworkOlympia | Form 990-N | No figure |
| Edmonds PTSA Council 7 2Lynnwood | Form 990-N | No figure |
| Bryant Montessori PTOTacoma | Form 990-N | No figure |
| Curtis High School a Cappella Choir Booster ClubUniversity Place | Form 990-N | No figure |
| Glacier Peak High School Band BoostersMill Creek | Form 990-N | No figure |
| Beta Omega FoundationKirkland | Form 990-N | No figure |
| Parent Association of Zillah IntermediateZillah | Form 990-N | No figure |
| Center for Local Self-RelianceBellingham | Form 990-N | No figure |
| US Naval Academy Parents Club of WashingtonOlympia | Form 990-N | No figure |
| Strive for Kids Working to Build an Important Foundation of TrustSpokane | Form 990-N | No figure |
| Valley View Parent ClubSnohomish | Form 990-N | No figure |
| Clear Lake Elementary Parents GroupClearlake | Form 990-N | No figure |
| Laboratory Science InstituteLongview | Form 990-N | No figure |
| Washington State Chefs Association FoundationFederal Way | Form 990-N | No figure |
| EuthenicsBothell | Form 990-N | No figure |
| Evergreen Elementary PtsoShelton | Form 990-N | No figure |
| Auburn Choir Parents AssociationTacoma | Form 990-N | No figure |
| Puget Sound Pain Resource Nurse Education CooperativeSeattle | None required | $0FY2023 |
| Cozy Comforts of South Grant CountyMattawa | Form 990-N | No figure |
| Sedro-Woolley Music BoostersClearlake | Form 990-N | No figure |
| Marcus Whitman Parent Teacher AssociationCowiche | Form 990-N | No figure |
| Rogers High School Blue Notes Booster ClubPuyallup | Form 990-N | No figure |
| Rod and Gun Safety Education ClubLangley | Form 990-N | No figure |