| Affection Above Aviation IncYukon | Form 990-EZ | $76,810FY2025 |
| Beta Eta Lambda Scholarship Foundation of Alpha Phi AlphaOklahoma City | Form 990-EZ | $76,025FY2025 |
| McKinley Elementary Parent Teacher OrganizationNorman | Form 990-EZ | $75,586FY2025 |
| Edmond Ffa Parents ClubEdmond | Form 990-EZ | $74,895FY2026 |
| Frontier PTO IncEdmond | Form 990-EZ | $74,865FY2025 |
| Skiatook FoundationSkiatook | Form 990-EZ | $74,188FY2024 |
| Indian Womens Pocahontas ClubClaremore | Form 990-EZ | $73,959FY2025 |
| Phoenix Rising FoundationJenks | Form 990-EZ | $72,486FY2025 |
| Bixby Central Elementary Parent Teacher Organization IncBixby | Form 990-EZ | $71,923FY2025 |
| Pinto Heritage Foundation IncBethany | Form 990 | $71,856FY2024 |
| Oklahoma Northwest Area Vocational Technical Educational Foundation IAlva | Form 990-EZ | $70,193FY2025 |
| Urban Innovative Development CorporationTulsa | Form 990-EZ | $69,948FY2024 |
| Special Needs Dayhab-WhitesboroKingston | Form 990-EZ | $69,855FY2025 |
| John Marshall High School Foundation IncOklahoma City | Form 990-EZ | $69,451FY2024 |
| Ponca City Quarterback ClubPonca City | Form 990-EZ | $68,995FY2023 |
| Bixby West Elementary Parent Teacher Organization IncBixby | Form 990-EZ | $68,724FY2026 |
| Ponca City Instrumental Music Parents Association IncPonca City | Form 990-EZ | $68,061FY2026 |
| Parent Booster USA IncNorman | Form 990-EZ | $67,902FY2025 |
| Parent Booster USA IncOklahoma City | Form 990-EZ | $67,563FY2025 |
| Angie Debo Elementary School PTO IncEdmond | Form 990-EZ | $67,220FY2025 |
| Parent Booster USA IncBroken Arrow | Form 990-EZ | $66,881FY2025 |
| Apoe FoundationNorman | Form 990-EZ | $66,604FY2025 |
| Tulsa Robotics Center Foundation IncTulsa | Form 990-EZ | $66,160FY2024 |
| Parent Booster USA IncOklahoma City | Form 990-EZ | $65,850FY2026 |
| Sangre Ridge Elementary PTOStillwater | Form 990-EZ | $65,508FY2024 |
| Parent Booster USA IncChoctaw | Form 990-EZ | $65,471FY2026 |
| West Field PTOEdmond | Form 990-EZ | $65,453FY2025 |
| Parent Booster USA IncOklahoma City | Form 990-EZ | $65,402FY2026 |
| Westmoore Baseball Booster Club IncOklahoma City | Form 990-EZ | $64,963FY2025 |
| Bixby North Elementary PTOBixby | Form 990-EZ | $64,573FY2025 |
| Parent Booster USA IncStillwater | Form 990-EZ | $64,409FY2025 |
| Memorial High School Endowment IncTulsa | Form 990 | $64,298FY2025 |
| Parent Booster USA IncBroken Arrow | Form 990-EZ | $64,116FY2025 |
| Performing Arts Council of Edmond IncEdmond | Form 990-EZ | $63,780FY2024 |
| Legacy Endowment Fund for Preaching Scholarships IncOklahoma City | Form 990-EZ | $63,759FY2025 |
| Lawton Rotary Leadership InstituteLawton | Form 990-EZ | $63,700FY2025 |
| Earlywine Little Learners Preschool CorpOklahoma City | Form 990-EZ | $63,668FY2025 |
| Golconda Foundation IncJones | Form 990-EZ | $63,611FY2024 |
| Bixby West Intermediate Parent Teacher Organization IncBixby | Form 990-EZ | $63,585FY2025 |
| Norman High Band AssociationNorman | Form 990-EZ | $63,542FY2026 |
| Empower Ed CooperationTulsa | Form 990-EZ | $63,511FY2025 |
| Eagle Pride Band BoostersWeatherford | Form 990-EZ | $63,197FY2025 |
| Southmoore Theatre FoundationMoore | Form 990-EZ | $62,851FY2025 |
| St Johns Center for Spiritual FormationTulsa | Form 990-EZ | $62,523FY2024 |
| Flower Mound Parent Teacher Organization IncLawton | Form 990-EZ | $61,865FY2025 |
| Nineteenth-Century Studies Association IncOklahoma City | Form 990-EZ | $61,717FY2024 |
| Odot Memorial FoundationWarr Acres | Form 990-EZ | $60,133FY2025 |
| Parent Booster USA IncYukon | Form 990-EZ | $60,081FY2025 |
| Redbud Farm School Parent Teacher OrganizationOklahoma City | Form 990-EZ | $59,769FY2026 |
| Bethany Public Schools FoundationBethany | Form 990-EZ | $59,357FY2025 |