| Centerville Elementary School Parent-Teacher OrganizationLancaster | Form 990-EZ | $35,573FY2025 |
| Welch Elementary PTOChurchville | Form 990-N | No figure |
| Marion-Walker Parent Teacher Organization IncBellefonte | Form 990-EZ | $35,515FY2025 |
| Ceramic Water Filter SolutionsOakdale | Form 990-N | No figure |
| Henry J Furrie Scholarship Fund IncPittsburgh | Form 990-EZ | $35,084FY2025 |
| Lampeter Elementary School PTOLancaster | Form 990-N | No figure |
| Ridley Educational FoundationFolsom | Form 990-N | No figure |
| Mecca Sports IncBenton | Form 990-N | No figure |
| Moraine Elementary School Parent Teacher OrganizationProspect | Form 990-EZ | $35,032FY2025 |
| Wissahickon Educational Opportunities FoundationAmbler | Form 990-N | No figure |
| National Association of Business Economics and TechnologyKutztown | Form 990-N | No figure |
| Pennsylvania Business Andprofessional Womens Foundation IncReading | Form 990-N | No figure |
| Ebenezer PteLebanon | Form 990-EZ | $34,775FY2025 |
| Osmania University Alumni Association Inc USAChester Springs | Form 990-N | No figure |
| Senior Adults for Greater Education IncNewtown | Form 990-N | No figure |
| Ringgold Elementary School South PTAMonongahela | Form 990-EZ | $34,255FY2025 |
| Tidioute Library Association IncTidioute | Form 990 | $34,247FY2025 |
| Oak Ridge Home & School AssociationHarleysville | Form 990-N | No figure |
| Music Patrons Association of Upper Moreland High School IncWillow Grove | Form 990-EZ | $33,822FY2025 |
| Freedom High School Band and Orchestra Parents ClubBethlehem | Form 990-EZ | $33,765FY2025 |
| Fort Allen Elementary School PTO AssociationGreensburg | Form 990-EZ | $33,741FY2023 |
| Easton Musical Theatre BoostersEaston | Form 990-EZ | $33,714FY2025 |
| Abington Heights Student Aid Fund IncClarks Green | Form 990-N | No figure |
| Linglestown Parent Teachers OrganizationHarrisburg | Form 990-EZ | $33,517FY2025 |
| Cybersonics Technology Team 103Kintnersville | Form 990-N | No figure |
| Loyalsock Music AssociationWilliamsport | Form 990-EZ | $33,389FY2024 |
| PTHS Girls Field HockeyMcMurray | Form 990-EZ | $33,382FY2025 |
| Knoch High Band BoostersSaxonburg | Form 990-EZ | $33,299FY2025 |
| Bermudian Sports ClubEast Berlin | Form 990-EZ | $33,149FY2025 |
| Alumnae Association of Cedar Crest CollegeAllentown | Form 990-N | No figure |
| Parents Association of Cetronia IncAllentown | Form 990-N | No figure |
| Avon Grove Charter SchoolWest Grove | Form 990-N | No figure |
| McIntyre Elementary PtsoPittsburgh | Form 990-EZ | $32,609FY2025 |
| Rick Bay Foundation for Excellence in Eyecare EducationNewtown Square | Form 990-N | No figure |
| Limerick Elementary Home & School LeagueLimerick | Form 990-EZ | $32,518FY2026 |
| Pennsbury Choral Parents Association IncFairless Hills | Form 990-N | No figure |
| Corey Michael Laguardia FoundationCoraopolis | Form 990-N | No figure |
| Claysburg Kimmel Elementary PTO CorporationClaysburg | Form 990-EZ | $32,136FY2025 |
| Fogelsville Elementary PTOBreinigsville | Form 990-N | No figure |
| Upper Moreland Educational FoundationWillow Grove | Form 990-N | No figure |
| Concordia TrustHuntingdon Valley | Form 990-EZ | $32,014FY2025 |
| Somerset AcademyPhiladelphia | Form 990-N | No figure |
| College Square Parent Teacher OrganizationBeaver | Form 990-EZ | $31,718FY2025 |
| Cedar Crest Music AidesLebanon | Form 990-N | No figure |
| McDowell Boys Soccer BoostersErie | Form 990-N | No figure |
| Kathryn D Markley Parent Teacher OrganizationMalvern | Form 990-EZ | $31,594FY2025 |
| West Rockhill Elementary School PTO IncSellersville | Form 990-N | No figure |
| Crimson Tide FoundationPottsville | Form 990-N | No figure |
| Charles W Longer PTOHollidaysburg | Form 990-EZ | $31,457FY2025 |
| Community Empowerment Services IncEnola | Form 990-N | No figure |