| Save Our WaterLandenberg | Form 990-N | No figure |
| Swarthmore Garden ClubSwarthmore | Form 990-N | No figure |
| Penn-York Valley Project GrowAthens | Form 990-N | No figure |
| Call to the Bar Nonprofit OrganizationPhiladelphia | Form 990-N | No figure |
| Citizens to Preserve Ligonier ValleyLigonier | Form 990-N | No figure |
| Brewerytown GardenPhiladelphia | Form 990-N | No figure |
| Concerned FathersMcKeesport | Form 990-N | No figure |
| Smoke Is CancerSchwenksville | Form 990-N | No figure |
| Endless Mountains Primitive OutdoorsmenLaceyville | Form 990-N | No figure |
| Marion Township Community Association IncWomelsdorf | Form 990-N | No figure |
| JJP Environmental IncScranton | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaErie | Form 990-N | No figure |
| Martins-Jacoby Watershed AssociationBangor | Form 990-N | No figure |
| Panhandle Trail Association of PennsylvaniaOakdale | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaLittlestown | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaEmmaus | Form 990-N | No figure |
| Friends of Cherry Valley IncStroudsburg | Form 990-N | No figure |
| Edinboro Lake Watershed Association IncEdinboro | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaPittsburgh | Form 990-N | No figure |
| Institute for Earth Science Research and EducationEagleville | Form 990-N | No figure |
| Roxborough ConservancyPhiladelphia | Form 990-N | No figure |
| Sugar Creek WatershedTroy | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaWashington | Form 990-N | No figure |
| Moss Spring Graveyard AssociationGreencastle | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaSpringfield | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaOil City | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaClarion | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaUniontown | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaRostraver Township | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaMiddleburg | Form 990-N | No figure |
| Forest Partners International IncFlourtown | Form 990-N | No figure |
| Friends of Pine Creek Watershed IncBarnesville | Form 990-N | No figure |
| Allegheny Plateau Audubon SocietyWindber | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaHuntingdon | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaGlenshaw | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaCambridge Springs | Form 990-N | No figure |
| Watrous Water AssociationGaines | Form 990-N | No figure |
| Lewisburg Garden ClubLewisburg | Form 990-N | No figure |
| SEEDSHonesdale | Form 990-N | No figure |
| GOALLanghorne | Form 990-N | No figure |
| Erie County Council of Garden ClubsErie | Form 990-N | No figure |
| Concerned Citizens for the Environment of Throop Pa IncThroop | Form 990-N | No figure |
| Garden Club Federation of PennsylvaniaPittsburgh | Form 990-N | No figure |
| Nathans Divide Watershed Education CenterJohnstown | Form 990-N | No figure |
| Sweet Water InitiativeTitusville | Form 990-N | No figure |
| Friends of Howland Preserve IncDalton | Form 990-N | No figure |
| Pittsburgh Urban Gardening ProjectPittsburgh | Form 990-N | No figure |
| Gordon Game and Fish Protective AssociationAshland | Form 990-N | No figure |
| Friends of Sabine ParkNarberth | Form 990-N | No figure |
| Lycoming Biology Field Station IncWilliamsport | Form 990-N | No figure |