| Name | Address, Zip |
| 10000 Friends Of Pennsylvania | 240 N 3rd St Ste 407, 17101-1519 |
| Pennsylvania Landscape And Nursery Assoication Foundation | 908 N 2nd St, 17102-3119 |
| National Onsite Wastewater Education And Research Foundation | 4305 North Sixth St, 17110-1650 |
| Pennsylvania Mapping And Geographic Informtion Consortium Pamagic | 325 Market St, 17101 |
| Pennsylvania Urban And Community Forestry Council | Po Box 60972, 17106-0972 |
| Susquehanna Appalachian Trail Club Inc | Po Box 61001, 17106-1001 |
| Capital Area Greenbelt Association | Po Box 15405, 17105-5405 |
| Green Building Association Of Central Pennsylvania | 1519 N 3rd St, 17102-1911 |
| Paxton Creek Watershed & Education Association | Po Box 61674, 17106-1674 |
| Pennsylvania Water Environment Association | Po Box 796, 17108-0796 |
| Susquehanna River Trail Association Inc | Po Box 62023, 17106-2023 |
| Pennsylvania Audubon Council | 2080 Linglestown Rd Ste 201, 17110-9670 |
| Friends Of Wildwood Lake Nature Center Inc | 100 Wildwood Way, 17110-2914 |
| Citizens For Pennsylvanias Future | 610 N 3rd St, 17101-1113 |
| Historic City Gardens | 1929 Penn St, 17102-2236 |
| Garden Club Federation Of Pennsylvania | 6104 Nassau Rd, 17112-1844 |
| Garden Club Federation Of Pennsylvania | 6104 Nassau Rd, 17112-1844 |
| Physicians For Social Responsibility Inc | 4621 Tarryton Rd, 17109-1619 |
| Green Urban Initiative | 1706 Green St, 17102-2342 |
| Professional Recyclers Of Pennsylvania | 908 N 2nd St, 17102-3119 |
| Weconservepa | 610 N 3rd St Ste 301, 17101-1113 |
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