Best nonprofit organization in Pennsylvania

Philadelphia Zoo

3400 w girard ave, philadelphia, Pennsylvania 19104 221,415 fans

Center for Food Safety

660 pennsylvania ave se ste 302, washington, District Of Columbia 20003 144,868 fans

Pennsylvania Parks and Forests Foundation

704 lisburn rd suite 102, camp hill, Pennsylvania 17011 20,940 fans

Pennsylvania Association for Sustainable Agriculture (PASA)

104 north st, millheim, Pennsylvania 16854 10,939 fans

Pittsburgh Botanic Garden

799 pinkerton run rd, oakdale, Pennsylvania 15071 8,800 fans

Asbury Woods

4105 asbury rd, erie, Pennsylvania 16506 8,479 fans

Bowman's Hill Wildflower Preserve

1635 river rd, new hope, Pennsylvania 18938 7,688 fans

Pittsburgh Parks Conservancy

45 south 23rd street, pittsburgh, Pennsylvania 15203 7,676 fans

Evangelical Environmental Network

24 e franklin st, new freedom, Pennsylvania 17349 5,965 fans

Wissahickon Valley Watershed Association

12 morris rd, ambler, Pennsylvania 19002 5,018 fans

Conservation Voters of Pennsylvania

245 s 16th st, philadelphia, Pennsylvania 19102 4,595 fans

Tree Pittsburgh

5401 butler st, fl 2nd, pittsburgh, Pennsylvania 15201 4,555 fans

Stroud Water Research Center

970 spencer rd, avondale, Pennsylvania 19311 4,532 fans

Stoneleigh: A Natural Garden

1829 east county line road, villanova, Pennsylvania 19085 4,235 fans

LEAF - Lake Erie Arboretum at Frontier Park

1501 w 6th st, erie, Pennsylvania 16505 3,731 fans

Sierra Club Pennsylvania Chapter

harrisburg, Pennsylvania 17108 3,607 fans

Delaware Highlands Conservancy

508 river street, po box 218, hawley, Pennsylvania 18428 3,427 fans

Lake Wallenpaupack Watershed Management District

129 ppl drive, hawley, Pennsylvania 18428 3,413 fans

Nurture Nature Center

518 northampton st, easton, Pennsylvania 18042 2,940 fans

ChesLen Preserve

1199 cannery rd, coatesville, Pennsylvania 19320 2,862 fans