| Center for Conservation Studies IncLucinda | Form 990-N | No figure |
| Rails to Trails of Bedford County IncEverett | Form 990-N | No figure |
| Newtown Creek CoalitionNewtown | Form 990-N | No figure |
| Bertsch Hokendauqua Catasauqua Watershed AssociationNorthampton | Form 990-N | No figure |
| TAVASHavertown | Form 990-N | No figure |
| Hurry Hill Maple Farm Museum AssociationEdinboro | Form 990-N | No figure |
| Lake Cadjaw Watershed AssociationHonesdale | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaEffort | Form 990-N | No figure |
| Carrie T Watson Garden ClubErie | Form 990-N | No figure |
| Center for Landscape Design & StewardshipDrums | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaAvella | Form 990-N | No figure |
| Whitehall Green ThumbersPittsburgh | Form 990-N | No figure |
| Rooted Growing Branching OutZelienople | Form 990-N | No figure |
| Pennsylvania Cave ConservancyCarlisle | Form 990-N | No figure |
| Watershed Alliance of Adams County IncGettysburg | Form 990-N | No figure |
| Steel Valley Trail CouncilHomestead | Form 990-N | No figure |
| National Onsite Wastewater Education and Research FoundationBethlehem | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaEdinboro | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaLittlestown | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaAllentown | Form 990-N | No figure |
| Frys Run Watershed AssociationEaston | Form 990-N | No figure |
| Southwest Project Grass Coordinating CommitteeLemont Furnace | Form 990-N | No figure |
| The Good of GreenChalfont | Form 990-N | No figure |
| Waterourse Project IncWyndmoor | Form 990-N | No figure |
| Andorra Run ConservancyLafayette Hill | Form 990-N | No figure |
| Silent Fallout Project IncHonesdale | Form 990-N | No figure |
| Williamsport Bicycle Recycle IncWilliamsport | Form 990-N | No figure |
| Future Hope Pure and SimpleSelinsgrove | Form 990-N | No figure |
| Vacetime FoundationPhiladelphia | Form 990-N | No figure |
| Outdoorsmen Support & Services CorpMohrsville | Form 990 | $0FY2025 |
| Wild Roots Charitable FoundationSchuylkill Haven | Form 990-N | No figure |
| Environmental Community Organization for SustainabilityErie | Form 990-N | No figure |
| Cooperative for Integral EcologyPittsburgh | Form 990-N | No figure |
| Pa Gardens IncKennett Square | Form 990-N | No figure |
| Always Overcoming ObstaclesUpper Darby | Form 990-N | No figure |
| Joseph P Butler Sr Heroes FoundationMalvern | Form 990-N | No figure |
| Shrader Hollow Land TrustNew Kensington | Form 990-N | No figure |
| Knoll Road Land Conservation TRLansdowne | Form 990-N | No figure |
| Friends of OakbourneWest Chester | Form 990-N | No figure |
| 1 Percent for Nature IncStroudsburg | Form 990-N | No figure |
| Friends of Longwood Gardens IncKennett Square | Form 990-N | No figure |
| Brush Creek Conservation AssociationCranberry Township | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaAirville | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaHatboro | Form 990-N | No figure |
| Forest Wildlife Foundation IncPittsburgh | Form 990-N | No figure |
| Pennsylvania Environmental Resource ConsortiumUniversity Park | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaMalvern | Form 990-N | No figure |
| Friends of Susquehanna County Farm BureauMontrose | Form 990-N | No figure |
| Friends of Detweiler ParkDauphin | Form 990-N | No figure |
| Nour AquaPhiladelphia | Form 990-N | No figure |