| Columbia Heights Elementary Parent Teacher OrganizationLongview | Form 990-EZ | $35,550FY2025 |
| Pioneer Parent Teacher AssociationVancouver | Form 990-EZ | $34,960FY2025 |
| Global Source EducationBainbridge Island | Form 990-N | No figure |
| Sacajawea Elementary PTATacoma | Form 990-EZ | $34,399FY2025 |
| Central Valley High School Band and Colorguard BoostersSpokane | Form 990-EZ | $34,294FY2025 |
| Stanley Ann Dunham Scholarship FundMercer Island | Form 990-N | No figure |
| Friends of the Winthrop Public LibraryWinthrop | Form 990-N | No figure |
| Allen Creek PTSA 742Marysville | Form 990-N | No figure |
| Academy of Internal Medicine for Veterinary TechniciansSeattle | Form 990-N | No figure |
| Cougar Mountain Middle School PTSATacoma | Form 990-N | No figure |
| Maple Lawn PTA 5 8 20Sumner | Form 990-EZ | $33,030FY2025 |
| Rose Hill Elementary PTAKirkland | Form 990-N | No figure |
| Structural Engineers Foundation of WashingtonEdmonds | Form 990-EZ | $32,322FY2024 |
| Esl in-Home Program of Northern NevadaPort Orchard | Form 990-N | No figure |
| The F O R C E Rock Creek PTOMaple Valley | Form 990-EZ | $31,844FY2025 |
| Expedition Elementary Parent and Teacher AssociationPuyallup | Form 990-EZ | $31,839FY2025 |
| Tiger Legacy FoundationSpokane | Form 990-N | No figure |
| Global Leadership ForumSeattle | Form 990-N | No figure |
| Woman of WonderVancouver | Form 990-N | No figure |
| Pakistan Association of Greater SeattleSeattle | Form 990-N | No figure |
| Brownsville PTSA Central Kitsap Council 1 3 8Bremerton | Form 990-EZ | $30,553FY2025 |
| Evergreen Elementary P T A Bethel Area Council 5 3 11Spanaway | Form 990-N | No figure |
| Crestwood PTA 9 7 11Covington | Form 990-EZ | $30,181FY2025 |
| Greenwood TreeMount Vernon | Form 990-N | No figure |
| Friends of Pediatrics NorthwestUniversity Place | Form 990-N | No figure |
| Elk Plain Elementary School Parent Teacher AssociationSpanaway | Form 990-EZ | $30,049FY2025 |
| Brouillet Elementary PTS 5 7 2Tacoma | Form 990-EZ | $30,004FY2025 |
| Parent Booster USA IncBattle Ground | Form 990-N | No figure |
| Shooting Stars Booster ClubLongview | Form 990-EZ | $29,649FY2025 |
| Chief Kanim Middle School PTSA 2 18 28Tacoma | Form 990-N | No figure |
| Spain Abroad 501C3Mukilteo | Form 990-N | No figure |
| Sage Crest PTOKennewick | Form 990-EZ | $28,911FY2026 |
| Carriage Crest PTSA 973Renton | Form 990-EZ | $28,796FY2025 |
| Dorothy Fox PTACamas | Form 990-N | No figure |
| Firgrove PTA Puyallup WashingtonTacoma | Form 990-N | No figure |
| Community Place NorthwestBuckley | Form 990-N | No figure |
| Central Washington Home Builders Association FoundationYakima | Form 990-N | No figure |
| Crestwood Elementary PTA 5810Lake Tapps | Form 990-N | No figure |
| Psatma Endowment FoundationEverson | Form 990-N | No figure |
| American Shudokan Association Northwest Scholarship FundYakima | Form 990-N | No figure |
| Artondale PTAGig Harbor | Form 990-EZ | $27,426FY2025 |
| Mountain View PTAEdgewood | Form 990-EZ | $27,238FY2025 |
| Horizon PTA - Kent Area Council 9721 Washington State PTAKent | Form 990-EZ | $27,060FY2025 |
| Sky Valley Education Center PTAMonroe | Form 990-N | No figure |
| The Extra Mile AcademySpokane Valley | Form 990-N | No figure |
| Kirkland Rotary FoundationKirkland | Form 990-N | No figure |
| Behavioral Medicine Research and Training FoundationPort Angeles | Form 990-N | No figure |
| Interlake High School Parent Teacher Student AssnTacoma | Form 990-N | No figure |
| Selah Alliance for EqualitySelah | Form 990-N | No figure |
| Big Heart Big Smile FoundationMonroe | Form 990-EZ | $24,696FY2025 |