| Unitarian Universalist Ministry for Earth | OR |
| Vet Voice Foundation | OR |
| Water Watch | OR |
| Wolf Education and Research Center | OR |
| Xerces Society | OR |
| Andropogon Associates, Inc. | PA |
| Bucks County Audubon Society | PA |
| Humane Action Pittsburgh | PA |
| Ecology Mission Group,Central Baptist Church,Wayne | PA |
| Pennsylvania Society for Ornithology | PA |
| Greater Wyoming Valley Audubon Society | PA |
| Darby Creek Valley Association | PA |
| Delaware Riverkeeper Network | PA |
| Hawk Mountain Sanctuary | PA |
| Morris Arboretum of the University of Pennsylvania | PA |
| Natural Areas Association | PA |
| Juniata Valley Audubon Society | PA |
| Pennsylvania Audubon | PA |
| Pennsylvania Wildlife Federation | PA |
| PennEnvironment | PA |
| Zoological Society of Philadelphia | PA |
| American Public Garden Association | PA |
| Save Our Allegheny Ridges | PA |
| Save Our Allegheny Ridges | PA |
| Neshaminy Creek Watershed Association | PA |
