| Avon Grove Recreation AssociationAvondale | Form 990-EZ | $54,512FY2024 |
| Friends of the Swarthmore Public LibrarySwarthmore | Form 990-EZ | $54,494FY2025 |
| Nottingham Volunteer Fire CompanyBensalem | Form 990 | $54,030FY2025 |
| Tobyhanna Township Vol Fire CoPocono Pines | Form 990-EZ | $53,844FY2024 |
| Haldeman Mansion Preservation SocietyBainbridge | Form 990-EZ | $53,831FY2024 |
| Allegheny Kiski Valley Historical SocietyTarentum | Form 990-EZ | $53,804FY2024 |
| Lake Shore Railway Historical Society IncNorth East | Form 990 | $53,673FY2025 |
| Good Sprout Rescue and SanctuaryLincoln University | Form 990-EZ | $53,398FY2025 |
| Rotary Club of Erie Scholarship FoundationErie | Form 990-EZ | $53,258FY2025 |
| Operation NehemiahPittsburgh | None required | $53,255FY2012 |
| Citizens and Police TogetherAbington | Form 990-EZ | $53,165FY2024 |
| PTA Pennsylvania CongressChester Springs | Form 990-EZ | $53,118FY2025 |
| Little League Baseball IncYork | Form 990-EZ | $53,112FY2025 |
| Tails of the Rescued LLCGreensburg | Form 990-EZ | $52,841FY2025 |
| Little League Baseball IncLewisburg | Form 990-EZ | $52,839FY2024 |
| The Down Syndrome Interest Group of Montgomery CountyBlue Bell | Form 990-EZ | $52,777FY2025 |
| Red Lion Youth CenterRed Lion | Form 990-EZ | $52,566FY2025 |
| American Guild of Organists AgoPhiladelphia | Form 990-EZ | $52,521FY2025 |
| Parent Booster USA IncMcDonald | Form 990-EZ | $52,343FY2026 |
| Trinity Fitness Carlisle IncMount Holly Springs | Form 990-EZ | $52,251FY2025 |
| Alumni Association of the West Philadelphia Catholic Girls High SBryn Mawr | Form 990-EZ | $52,038FY2025 |
| Belle Vernon Library AssociationBelle Vernon | Form 990-EZ | $51,910FY2024 |
| Mercersburg Library Association IncMercersburg | Form 990 | $51,702FY2025 |
| Friends of the Sewickley Public LibrarySewickley | Form 990-EZ | $51,534FY2024 |
| Fitler Square Improvement Assn IncPhiladelphia | Form 990 | $51,285FY2024 |
| All Souls ConnectedBarto | Form 990-EZ | $51,206FY2024 |
| Wyoming County Historical SocietyTunkhannock | Form 990 | $51,174FY2024 |
| Hanover Kiwanis FoundationHanover | Form 990-EZ | $50,839FY2025 |
| Reading Hot Stovers IncMohnton | Form 990-EZ | $50,792FY2025 |
| Little League Baseball IncWest Pittston | Form 990-EZ | $50,715FY2024 |
| Dormont Athletic Boosters Association IncPittsburgh | Form 990-EZ | $50,552FY2025 |
| Philadelphia Solar Energy AssociationWyndmoor | Form 990-EZ | $50,436FY2024 |
| PTA Pennsylvania CongressBath | Form 990-EZ | $50,129FY2026 |
| Bradford Landmark SocietyBradford | Form 990-N | No figure |
| Equal Justice FoundationPhiladelphia | Form 990-EZ | $49,545FY2025 |
| Jewish Memorial Center of Altoona PennsylvaniaAltoona | Form 990-N | No figure |
| Pennsylvania Veterinary FoundationNorwood | Form 990-EZ | $49,330FY2024 |
| Lower Merion Historical SocietyBala Cynwyd | Form 990-N | No figure |
| Parent Booster USA IncOxford | Form 990-EZ | $49,030FY2025 |
| Bermudian Springs Elementary School Parent Teachers OrganizationYork Springs | Form 990-EZ | $48,993FY2026 |
| Pennypack Park Festival IncSouthampton | Form 990-N | No figure |
| Red Raider Marching Band BoostersUniontown | Form 990-EZ | $48,603FY2025 |
| Greencastle Midget Football AssociationGreencastle | Form 990-N | No figure |
| Dubois Area Historical Society IncDu Bois | Form 990-EZ | $48,469FY2025 |
| Cloverleaf Area Ecumenical Assistance ProgramPittsburgh | Form 990-N | No figure |
| Burkys Believe FoundationHarrisburg | Form 990-EZ | $48,055FY2025 |
| Parent Booster USA IncGlen Mills | Form 990-EZ | $48,020FY2025 |
| Rock the World Youthmission AllianceAmbridge | Form 990-N | No figure |
| Green Chillies Entertainment CorpRoyersford | Form 990-N | No figure |
| Pennsylvania Congress of Parents and Teachers IncMountain Top | Form 990-EZ | $47,843FY2025 |