Data / Nonprofits / Pennsylvania / Environment
Environment nonprofits in Pennsylvania: 1,093 registered with the IRS
1,093 environment nonprofits are registered with the IRS in Pennsylvania, 1,067 of them 501(c)(3) charities; the 405 that report revenue took in $461.5 million. The most are in Philadelphia (111), Pittsburgh (74), Harrisburg (18). The largest by revenue: Western Pennsylvania Conservancy ($41.6 million), Pennsylvania Horticultural Society ($40.9 million), Natural Lands Trust Incorporated ($26.6 million).
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The 500 largest by revenue
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Western Pennsylvania Conservancy | Pittsburgh | 501(c)(3) | 1951 | $41.6 million | $152.2 million | 2025-12 |
| Pennsylvania Horticultural Society | Philadelphia | 501(c)(3) | 1952 | $40.9 million | $74.4 million | 2025-06 |
| Natural Lands Trust Incorporated | Media | 501(c)(3) | 1964 | $26.6 million | $342.5 million | 2025-06 |
| Fairmount Park Conservancy | Philadelphia | 501(c)(3) | 1992 | $17.9 million | $25.6 million | 2025-12 |
| Phipps Conservatory and Botanical Gardens Inc | Pittsburgh | 501(c)(3) | 1985 | $16.1 million | $80.3 million | 2025-09 |
| Kipp North Philadelphia Charter School | Philadelphia | 501(c)(3) | 2019 | $15 million | $6.1 million | 2025-06 |
| Young Womens Christian Association | Hanover | 501(c)(3) | 1970 | $13.4 million | $13.1 million | 2025-06 |
| Ruffed Grouse Society | Pittsburgh | 501(c)(3) | 1989 | $11 million | $15 million | 2025-12 |
| Earth Conservancy | Ashley | 501(c)(3) | 1993 | $10.1 million | $38.8 million | 2025-12 |
| Lancaster Farmland Trust | Strasburg | 501(c)(3) | 2006 | $9.5 million | $14.4 million | 2025-12 |
| Lancaster County Conservancy | Lancaster | 501(c)(3) | 1970 | $8 million | $95.8 million | 2025-12 |
| Pennsylvania Environmental Council Inc | Pittsburgh | 501(c)(3) | 1973 | $7 million | $6.7 million | 2025-12 |
| Allegheny Land Trust | Sewickley | 501(c)(3) | 1994 | $7 million | $34.9 million | 2025-06 |
| Center for Coalfield Justice | Washington | 501(c)(3) | 2000 | $6 million | $6.1 million | 2025-06 |
| Riverlife | Pittsburgh | 501(c)(3) | 1999 | $5.8 million | $18.8 million | 2025-12 |
| Northcentral Pennsylvania Conservancy | Williamsport | 501(c)(3) | 1990 | $5.2 million | $7.3 million | 2024-12 |
| Berks Nature | Reading | 501(c)(3) | 1975 | $5.1 million | $47.2 million | 2025-12 |
| Penguin Court Inc | Chadds Ford | 501(c)(3) | 2015 | $4.8 million | $29.2 million | 2025-06 |
| John J Tyler Arboretum | Media | 501(c)(3) | 1942 | $4.7 million | $18.3 million | 2026-01 |
| Friends of the Pittsburgh Urban Forest | Pittsburgh | 501(c)(3) | 1996 | $4.5 million | $4.1 million | 2025-12 |
| Willistown Conservation Trust Inc | Newtown SQ | 501(c)(3) | 1996 | $4.3 million | $45.5 million | 2025-12 |
| Clean Air Council | Philadelphia | 501(c)(3) | 1968 | $4.2 million | $4.4 million | 2025-06 |
| Natural Lands Trust U-Decl | Pittsburgh | 501(c)(3) | 1963 | $4.1 million | $28.4 million | 2025-06 |
| Delaware Bay and River Cooperative Inc | Boothwyn | 501(c)(3) | 2022 | $4.1 million | $6.2 million | 2024-12 |
| Friends of the Wissahickon Inc | Philadelphia | 501(c)(3) | 1952 | $3.6 million | $3.1 million | 2024-12 |
| Allegheny County Conservation District | Pittsburgh | 501(c)(3) | 2024 | $3.5 million | $5.1 million | 2024-12 |
| Building Performance Foundation Inc | Pittsburgh | 501(c)(3) | 2011 | $3.3 million | $1.2 million | 2024-12 |
| Brandywine Red Clay Alliance | West Chester | 501(c)(3) | 1947 | $3.3 million | $26.3 million | 2025-12 |
| Schuylkill River Greenway Association | Pottstown | 501(c)(3) | 1978 | $3.2 million | $3.6 million | 2024-12 |
| Wildlands Conservancy Inc | Emmaus | 501(c)(3) | 1974 | $3.2 million | $15 million | 2025-12 |
| Citizens for Pennsylvanias Future | Harrisburg | 501(c)(3) | 1998 | $3.2 million | $3.9 million | 2025-06 |
| French and Pickering Creeks Conservation Trust Inc | Devault | 501(c)(3) | 1967 | $3.1 million | $91.9 million | 2024-12 |
| Riverbend Environmental Education Center Inc | Gladwyne | 501(c)(3) | 1974 | $3.1 million | $4.6 million | 2025-12 |
| Sustainable Electronics Recycling International | Harrisburg | 501(c)(3) | 2014 | $3 million | $4.8 million | 2024-12 |
| The Schuylkill Center for Environmental Education | Philadelphia | 501(c)(3) | 1966 | $3 million | $12.7 million | 2025-06 |
| The Clearwater Conservancy of Central Pennsylvania Inc | State College | 501(c)(3) | 1982 | $2.9 million | $10.5 million | 2024-12 |
| Pennypack Ecological Restoration Trust | Huntingdon Vy | 501(c)(3) | 1971 | $2.8 million | $56.3 million | 2025-06 |
| Central Pennsylvania Conservancy | Carlisle | 501(c)(3) | 1982 | $2.7 million | $4.3 million | 2024-12 |
| Foundation for Pennsylvaniawatersheds | Johnstown | 501(c)(3) | 2007 | $2.7 million | $2.4 million | 2025-06 |
| Mountain Watershed Association | Melcroft | 501(c)(3) | 1995 | $2.6 million | $4.3 million | 2025-12 |
| Isaac W Bernheim Trust | Pittsburgh | 501(c)(3) | 2023 | $2.6 million | $21.5 million | 2025-12 |
| Wissahickon Valley Watershed Association Inc | Ambler | 501(c)(3) | 1960 | $2.5 million | $25 million | 2025-12 |
| North American Land Trust | Chadds Ford | 501(c)(3) | 1992 | $2.4 million | $52.1 million | 2024-12 |
| Air and Waste Management Association | Pittsburgh | 501(c)(3) | 1952 | $2.3 million | $2 million | 2024-12 |
| Keystone Elk Country Alliance | Benezette | 501(c)(3) | 2010 | $2.3 million | $5.8 million | 2025-12 |
| Construction Junction Inc | Pittsburgh | 501(c)(3) | 2018 | $2.2 million | $4.7 million | 2024-12 |
| Pennsylvania Resources Council | Pittsburgh | 501(c)(3) | 1966 | $2.1 million | $830,150 | 2024-12 |
| Wildlife for Everyone Endowment Foundation | State College | 501(c)(3) | 2005 | $2 million | $2.5 million | 2025-06 |
| Pennsylvania Wilds Center for Entrepreneurship | Kane | 501(c)(3) | 2014 | $2 million | $927,459 | 2025-12 |
| Venture Outdoors Inc | Pittsburgh | 501(c)(3) | 2006 | $2 million | $1.8 million | 2024-12 |
| Armstrong Trails Inc | Kittanning | 501(c)(3) | 1992 | $2 million | $3.7 million | 2025-12 |
| Fractracker Alliance | Johnstown | 501(c)(3) | 2012 | $2 million | $849,434 | 2025-06 |
| Green Building United | Philadelphia | 501(c)(3) | 2003 | $1.9 million | $1.7 million | 2024-12 |
| Countryside Conservancy | La Plume | 501(c)(3) | 1995 | $1.9 million | $5 million | 2024-12 |
| Farm & Natural Land Trust of York County | York | 501(c)(3) | 1990 | $1.9 million | $3.7 million | 2025-06 |
| Women for A Healthy Environment | Pittsburgh | 501(c)(3) | 2015 | $1.8 million | $1.1 million | 2025-06 |
| Pennsylvania Parks and Forests Foundation | Camp Hill | 501(c)(3) | 2000 | $1.8 million | $3.4 million | 2025-12 |
| Conservation Foundation of Lancaster County | Lancaster | 501(c)(3) | 2009 | $1.8 million | $940,821 | 2024-12 |
| Audubon Society of Western Pennsylvania Inc | Pittsburgh | 501(c)(3) | 1966 | $1.7 million | $8.7 million | 2025-06 |
| Green Building Alliance | Pittsburgh | 501(c)(3) | 1999 | $1.7 million | $982,384 | 2024-12 |
| 3 Rivers Wet Weather Inc | Glenshaw | 501(c)(3) | 2000 | $1.6 million | $896,210 | 2024-12 |
| Weconservepa | Harrisburg | 501(c)(3) | 1996 | $1.6 million | $3.1 million | 2025-12 |
| Philadelphia Orchard Project | Philadelphia | 501(c)(3) | 2010 | $1.6 million | $1.4 million | 2025-06 |
| Pocono Environmental Education Center | Dingmans Fry | 501(c)(3) | 1988 | $1.5 million | $1.6 million | 2024-12 |
| Capital Resource Conservation and Development Inc | Carlisle | 501(c)(3) | 2003 | $1.5 million | $420,401 | 2025-09 |
| Neighborhood Gardens Trust | Philadelphia | 501(c)(3) | 1986 | $1.4 million | $5.3 million | 2025-06 |
| Jenkins Arboretum & Gardens | Devon | 501(c)(3) | 1998 | $1.4 million | $26.9 million | 2025-12 |
| Natural Area Association | Pittsburgh | 501(c)(3) | 1982 | $1.4 million | $1.1 million | 2025-06 |
| French Creek Valley Conservancy | Meadville | 501(c)(3) | 1984 | $1.3 million | $6 million | 2024-12 |
| Pennsylvania Solar Center | Pittsburgh | 501(c)(3) | 2022 | $1.2 million | $1.1 million | 2025-06 |
| Awbury Arboretum Association Inc | Philadelphia | 501(c)(3) | 1985 | $1.2 million | $1.8 million | 2024-12 |
| Land Conservancy of Adams County | Gettysburg | 501(c)(3) | 1996 | $1.2 million | $2.9 million | 2025-12 |
| Pa Cleanways of Allegheny County Inc | Etna | 501(c)(3) | 2005 | $1.2 million | $627,426 | 2025-09 |
| Americans for Climate Inc | Harrisburg | 501(c)(4) | 2026 | $1.2 million | $50,000 | 2022-12 |
| Glen Foerd Conservation Corp | Philadelphia | 501(c)(3) | 1986 | $1.2 million | $1.8 million | 2024-12 |
| Tookany-Tacony-Frankford Watershed Partnership | Philadelphia | 501(c)(3) | 2006 | $1.2 million | $916,520 | 2025-06 |
| Bowmans Hill Wildflower Preserve Association Inc | New Hope | 501(c)(3) | 1963 | $1.2 million | $3.2 million | 2024-12 |
| Pa Cleanways | Greensburg | 501(c)(3) | 1994 | $1.2 million | $747,461 | 2025-09 |
| Pocono Heritage Land Trust Inc | E Stroudsburg | 501(c)(3) | 1985 | $1.2 million | $1.9 million | 2025-03 |
| Lacawac Sanctuary Foundation Inc | Lake Ariel | 501(c)(3) | 1967 | $1.1 million | $8.1 million | 2025-12 |
| Greener Partners | Norristown | 501(c)(3) | 2009 | $1.1 million | $537,714 | 2025-12 |
| Nine Mile Run Watershed Association Inc | Pittsburgh | 501(c)(3) | 2001 | $1.1 million | $584,300 | 2025-12 |
| Manada Conservancy | Hummelstown | 501(c)(3) | 1997 | $1 million | $1.7 million | 2024-12 |
| Partners for Environmental Stewardship | Lancaster | 501(c)(3) | 2024 | $1 million | $1.5 million | 2025-06 |
| Three Rivers Waterkeeper Inc | Pittsburgh | 501(c)(3) | 2014 | $993,276 | $1.1 million | 2025-12 |
| Friends of Rittenhouse Square | Philadelphia | 501(c)(3) | 1977 | $989,281 | $553,081 | 2025-09 |
| The Energy Efficiency Alliance | Philadelphia | 501(c)(3) | 1999 | $982,442 | $774,346 | 2025-12 |
| Mindful Materials Inc | Spring City | 501(c)(3) | 2022 | $975,015 | $137,775 | 2024-12 |
| Stream Restoration Incorporated | Slippery Rock | 501(c)(3) | 1997 | $961,164 | $660,489 | 2024-12 |
| Regional Science Consortium at Presque Isle Center | Erie | 501(c)(3) | 2004 | $936,540 | $939,731 | 2025-06 |
| Beaver County Marcellus Awareness Community | Ambridge | 501(c)(3) | 2015 | $929,867 | $853,832 | 2024-12 |
| Southwest Pennsylvania Environmental Health Project | Johnstown | 501(c)(3) | 2015 | $899,872 | $1.1 million | 2025-06 |
| Pennenvironment Research and Policy Center | Philadelphia | 501(c)(3) | 2003 | $855,797 | $3.7 million | 2025-06 |
| Whitemarsh Foundation | Lafayette HL | 501(c)(3) | 2003 | $818,669 | $16.3 million | 2025-12 |
| Delaware Highlands Conservancy | Beach Lake | 501(c)(3) | 1995 | $816,785 | $5 million | 2024-12 |
| Buttonwood Nature Center Inc | Waynesboro | 501(c)(3) | 1990 | $793,280 | $5.6 million | 2025-06 |
| Pocono Northeast Resource Conservation & Development Council | Dalton | 501(c)(3) | 2003 | $776,130 | $77,624 | 2025-09 |
| Edward L Rose Conservancy Inc | Friendsville | 501(c)(3) | 1984 | $776,122 | $2.3 million | 2025-05 |
| Westmoreland Cleanways | Greensburg | 501(c)(3) | 2006 | $759,426 | $1.3 million | 2025-09 |
| Gettysburg Nature Alliance | Gettysburg | 501(c)(3) | 2019 | $754,310 | $2.5 million | 2024-12 |
| Green Valleys Association of Southeastern Pennsylvania | Pottstown | 501(c)(3) | 1969 | $739,481 | $6.9 million | 2025-09 |
| Group Against Smog and Pollution Inc | Pittsburgh | 501(c)(3) | 2003 | $696,245 | $413,875 | 2025-10 |
| Lake Wallenpaupack Watershed Management District | Hawley | 501(c)(3) | 1981 | $685,796 | $588,595 | 2024-12 |
| Ned Smith Center for Nature and Art | Millersburg | 501(c)(3) | 1994 | $684,226 | $13.9 million | 2025-12 |
| Sustainable Pittsburgh | Pittsburgh | 501(c)(3) | 2024 | $682,371 | $781,989 | 2025-12 |
| The Merrill W Linn Land & Waterways Conservancy | Lewisburg | 501(c)(3) | 1988 | $675,476 | $1.1 million | 2024-12 |
| Hollow Oak Land Trust Inc | Moon Township | 501(c)(3) | 1991 | $667,726 | $3.6 million | 2024-12 |
| Loyalhanna Watershed Association Inc | Ligonier | 501(c)(3) | 1971 | $619,880 | $3.9 million | 2025-06 |
| Appleford Committee | Villanova | 501(c)(3) | 1974 | $612,227 | $2.3 million | 2024-12 |
| North Branch Land Trust | Dallas | 501(c)(3) | 1994 | $603,003 | $8.4 million | 2025-06 |
| Lower Susquehanna Riverkeeper Association | Wrightsville | 501(c)(3) | 2006 | $587,718 | $230,884 | 2024-12 |
| The Great Allegheny Passage Conservancy | Homestead | 501(c)(3) | 2018 | $581,182 | $1.6 million | 2024-12 |
| National Network of Abortion Funds | Pittsburgh | 501(c)(3) | 1994 | $580,048 | $627,939 | 2025-06 |
| Perry Square Alliance | Erie | 501(c)(3) | 2009 | $578,570 | $741,287 | 2024-12 |
| Friends of Briar Bush | Abington | 501(c)(3) | 1976 | $571,637 | $1.7 million | 2025-06 |
| Fern Hollow Nature Center Inc | Sewickley | 501(c)(3) | 1998 | $568,138 | $509,884 | 2024-12 |
| Trout Unlimited | Lancaster | 501(c)(3) | 1972 | $533,997 | $610,826 | 2026-03 |
| Westmoreland Land Trust | Latrobe | 501(c)(3) | 2008 | $529,642 | $6.9 million | 2025-12 |
| Pennsylvania Water Environment Association | Harrisburg | 501(c)(3) | 1972 | $517,767 | $901,231 | 2024-12 |
| F Minus | Ardmore | 501(c)(3) | 2023 | $514,917 | $184,225 | 2024-12 |
| Ruffed Grouse Society | Pittsburgh | 501(c)(3) | 1989 | $512,954 | $173,185 | 2024-12 |
| Professional Recyclers of Pennsylvania | Harrisburg | 501(c)(3) | 1992 | $506,566 | $320,914 | 2024-12 |
| Wildlife Information Center Inc | Slatington | 501(c)(3) | 1986 | $487,049 | $5.1 million | 2025-12 |
| Living Water Environmental Foundation | Shohola | 501(c)(3) | 2015 | $474,349 | $1.4 million | 2025-12 |
| Discovery Pathways | Philadelphia | 501(c)(3) | 2021 | $471,426 | $318,594 | 2025-12 |
| Antrim Treatment Trust | Williamsport | 501(c)(3) | 2015 | $462,775 | $2.9 million | 2025-12 |
| Pennsylvania Organization for Watersheds and Rivers | Pittsburgh | 501(c)(3) | 1995 | $452,611 | $909,257 | 2025-12 |
| Eastern Pennsylvania Coalition for Abandoned Mine Reclamation | Ashley | 501(c)(3) | 1997 | $449,921 | $390,300 | 2024-12 |
| Endless Mountains Heritage Region Inc | Wyalusing | 501(c)(3) | 1999 | $437,332 | $627,184 | 2025-06 |
| The Experimental Farm Network Cooperative | Philadelphia | 501(c)(3) | 2011 | $418,328 | $277,992 | 2024-12 |
| Grounded Strategies | Pittsburgh | 501(c)(3) | 2009 | $413,710 | $293,729 | 2024-12 |
| Friends of Churchville Nature Center | Churchville | 501(c)(3) | 1980 | $410,111 | $394,818 | 2025-12 |
| Friends of Peace Valley Nature Center Inc | Doylestown | 501(c)(3) | 1980 | $409,745 | $3.2 million | 2025-12 |
| Independence Conservancy Inc | Industry | 501(c)(3) | 2000 | $394,362 | $778,192 | 2025-12 |
| Resource Exchange | Philadelphia | 501(c)(3) | 2011 | $389,724 | $185,307 | 2025-12 |
| Strawberry Hill Foundation Inc | Fairfield | 501(c)(3) | 1987 | $380,658 | $3.2 million | 2024-12 |
| Wildlife Leadership Academy | Lock Haven | 501(c)(3) | 2003 | $372,967 | $112,061 | 2024-12 |
| Reforest Our Future | Beaver | 501(c)(3) | 2023 | $370,424 | $225,569 | 2024-12 |
| Susquehanna Greenway Partnership | Lewisburg | 501(c)(3) | 2007 | $362,689 | $363,778 | 2024-12 |
| Honey Hollow Nature Center | New Hope | 501(c)(3) | 1973 | $361,257 | $1.6 million | 2025-06 |
| Southpointe Property Owners Association Inc | McMurray | 501(c)(4) | 2006 | $340,787 | $1.4 million | 2025-02 |
| Friends of the Rail Park | Philadelphia | 501(c)(3) | 2011 | $337,884 | $908,524 | 2025-12 |
| Eastern Penna Alliance for Clean Transportation | Auburn | 501(c)(3) | 1998 | $332,353 | $615,694 | 2025-06 |
| Bucks County Horse Park | Revere | 501(c)(3) | 1991 | $326,817 | $21,516 | 2025-12 |
| Chester Residents Concerned for Quality Living | Crum Lynne | 501(c)(3) | 2023 | $326,407 | $409,764 | 2024-12 |
| Babb Creek Watershed Association Inc | Montoursville | 501(c)(3) | 2000 | $323,474 | $2.2 million | 2025-12 |
| Green Amendments for the Generations | Bristol | 501(c)(3) | 2019 | $310,360 | $282,043 | 2024-12 |
| Willow Creek Snowmobile Club Inc | Bradford | 501(c)(3) | 2021 | $308,855 | $627,839 | 2025-12 |
| Tinicum Conservancy | Erwinna | 501(c)(3) | 1992 | $302,695 | $1.5 million | 2024-12 |
| Conemaugh Valley Conservancy Inc | Johnstown | 501(c)(3) | 1995 | $301,843 | $2.1 million | 2025-12 |
| Penns Valley Conservation Assoc | Millheim | 501(c)(3) | 1995 | $300,591 | $338,200 | 2024-12 |
| Community Partnerships Resource Conservation and Development Counc | Lewistown | 501(c)(3) | 1998 | $292,251 | $71,054 | 2025-09 |
| Friends of the Delaware Canal Inc | New Hope | 501(c)(3) | 1985 | $289,932 | $689,781 | 2025-12 |
| Save Alliance Foundation | Pottstown | 501(c)(3) | 2014 | $287,412 | $521,291 | 2024-12 |
| Western Pennsylvania Coalition for Abandoned Mine Reclamation | Ligonier | 501(c)(3) | 2000 | $282,026 | $46,975 | 2024-12 |
| Rachel Carson Trails Conservancy | Wexford | 501(c)(3) | 1993 | $278,602 | $1.4 million | 2025-12 |
| The Buck Hill Conservation Foundation | Buck Hill FLS | 501(c)(3) | 1993 | $277,561 | $3.7 million | 2025-12 |
| Pennsylvania Interfaith Power & Light | Lancaster | 501(c)(3) | 2013 | $271,190 | $81,052 | 2024-12 |
| Sunburys Revitalization Inc | Sunbury | 501(c)(3) | 2007 | $268,166 | $1.6 million | 2024-12 |
| Friends of Silver Lake Nature Center | Bristol | 501(c)(3) | 1986 | $268,062 | $638,290 | 2025-12 |
| Eagles Mere Conservancy | Eagles Mere | 501(c)(3) | 1986 | $266,973 | $3.9 million | 2025-12 |
| Temple Special Services District | Philadelphia | 501(c)(3) | 2021 | $260,000 | $247,258 | 2023-12 |
| Capital Area Greenbelt Association | Harrisburg | 501(c)(3) | 1993 | $258,747 | $301,435 | 2024-12 |
| Garden Club Federation of Pennsylvania | Troy | 501(c)(3) | 2004 | $258,158 | $812,926 | 2025-04 |
| Hardy Plant Society Mid Atlantic Group | West Norriton | 501(c)(3) | 2019 | $257,007 | $265,434 | 2025-08 |
| Allegheny Goatscape Inc | Pittsburgh | 501(c)(3) | 2017 | $255,463 | $92,069 | 2024-12 |
| Eastern Pennsylvania Water Pollution Control Operators Assoc | Reinholds | 501(c)(3) | 1987 | $245,834 | $281,249 | 2025-12 |
| Natural Streams Foundation Inc | Sewickley | 501(c)(3) | 2023 | $242,875 | $88,955 | 2024-12 |
| Bucks Beautiful | Doylestown | 501(c)(3) | 1992 | $239,311 | $202,892 | 2025-12 |
| 10000 Friends of Pennsylvania | Harrisburg | 501(c)(3) | 1999 | $236,425 | $150,333 | 2022-12 |
| Shamokin Creek Restoration Alliance | Mount Carmel | 501(c)(3) | 1998 | $236,331 | $154,849 | 2025-12 |
| Upper McMichael Creek Conservancy | Valley Forge | 501(c)(3) | 2020 | $234,350 | $447,619 | 2025-10 |
| Communitopia | Venetia | 501(c)(3) | 2010 | $233,566 | $130,081 | 2024-12 |
| Pleistocene Park Foundation Inc | Huntingdon Vy | 501(c)(3) | 2017 | $233,438 | $8,515 | 2025-12 |
| Garden Club Federation of Pennsylvania | Troy | 501(c)(3) | 2004 | $232,745 | $338,431 | 2025-04 |
| East Park Leadership and Conservation Center | Philadelphia | 501(c)(3) | 2014 | $228,713 | $15.4 million | 2024-12 |
| Friends of Anson B Nixon Park Inc | Kennett SQ | 501(c)(3) | 2021 | $227,656 | $53,329 | 2025-12 |
| New Nature Foundation | Philadelphia | 501(c)(3) | 2009 | $225,354 | $226,529 | 2024-12 |
| French Creek Recreational Trails Inc | Meadville | 501(c)(3) | 1996 | $225,217 | $1.6 million | 2024-12 |
| Pennsylvania Forestry Association | Spring Mills | 501(c)(3) | 1951 | $221,936 | $1.8 million | 2024-12 |
| Regenall | Lancaster | 501(c)(3) | 2021 | $221,479 | $145,876 | 2025-12 |
| Pittsburgh Earth Day | Pittsburgh | 501(c)(3) | 2020 | $221,424 | $28,259 | 2025-12 |
| Allegheny County Clean Air Now | Pittsburgh | 501(c)(3) | 2022 | $220,526 | $261,047 | 2025-12 |
| Outdoor Inclusion Coalition | Pittsburgh | 501(c)(3) | 2023 | $212,979 | $117,814 | 2024-12 |
| Rail-Trail Council of Northeastern Pennsylvania | Union Dale | 501(c)(3) | 1991 | $212,660 | $5.1 million | 2024-12 |
| Valley in Motion | Jermyn | 501(c)(3) | 2009 | $212,338 | $199,830 | 2024-12 |
| Land Health Institute | Philadelphia | 501(c)(3) | 2013 | $211,124 | $41,528 | 2024-12 |
| Conservation Officers of Pennsylvania Association | Hummelstown | 501(c)(3) | 1994 | $207,974 | $373,682 | 2025-12 |
| Pennsylvania Master Naturalist | Elysburg | 501(c)(3) | 2014 | $205,017 | $93,595 | 2024-12 |
| Downtown Girard | Girard | 501(c)(3) | 2026 | $202,948 | $133,602 | 2025-12 |
| Westmoreland Conservancy | Murrysville | 501(c)(3) | 1992 | $200,864 | $3.6 million | 2025-05 |
| Moonjelly Foundation | Philadelphia | 501(c)(3) | 2022 | $200,000 | $57,315 | 2023-12 |
| Lebanon Valley Conservancy Inc | Lebanon | 501(c)(3) | 2000 | $197,369 | $486,297 | 2025-12 |
| Friends of Wildwood Lake Nature Center Inc | Harrisburg | 501(c)(3) | 1992 | $197,189 | $933,901 | 2024-12 |
| Rostraver Township Volunteer Fire Department 1 | Webster | 501(c)(3) | 2014 | $195,957 | $713,114 | 2024-12 |
| Pennsylvania Envirothon Inc | Middleburg | 501(c)(3) | 2000 | $193,593 | $596,024 | 2024-12 |
| Lets Go 1-2-3 | Paradise | 501(c)(3) | 2019 | $190,547 | $255,986 | 2025-12 |
| Rock Hollow Woods Environmental Learning Center | Birdsboro | 501(c)(3) | 2015 | $189,583 | $538,789 | 2025-12 |
| Philly Thrive | Philadelphia | 501(c)(3) | 2024 | $185,718 | $15,483 | 2023-12 |
| Washington County Watershed Alliance | Washington | 501(c)(3) | 1998 | $183,404 | $307,689 | 2025-12 |
| West Park Cultural Center | Philadelphia | 501(c)(3) | 2002 | $182,842 | $99,136 | 2025-06 |
| Hopewell Fish & Game Assoc of Penna Inc | Stewartstown | 501(c)(3) | 2022 | $181,269 | $580,814 | 2025-12 |
| Heroic Gardens | Elkins Park | 501(c)(3) | 2018 | $177,805 | $51,472 | 2025-12 |
| Northampton Konkrete Kids Cheerleading Booster Club | Northampton | 501(c)(3) | 2023 | $175,943 | $52,552 | 2025-12 |
| Willow Creek Sportsmans Club | Bradford | 501(c)(3) | 2022 | $174,818 | $312,886 | 2026-06 |
| Cumberland Valley Preservation Society at Silver Spring | Mechanicsburg | 501(c)(3) | 2010 | $173,345 | $189,371 | 2025-12 |
| Shade Creek Watershed Association | Cairnbrook | 501(c)(3) | 2002 | $172,560 | $23,824 | 2025-12 |
| Leonard C Hanna Jr Cleveland Mall Beautification Fund | Pittsburgh | 501(c)(3) | 1964 | $171,007 | $1.8 million | 2025-12 |
| Middle Susquehanna Riverkeeper Association Inc | Sunbury | 501(c)(3) | 2016 | $169,007 | $321,583 | 2025-12 |
| Lackawanna Valley Conservancy | Scranton | 501(c)(3) | 1996 | $168,235 | $1.8 million | 2024-12 |
| Pennsylvania Lake Management Society | Mertztown | 501(c)(3) | 2005 | $164,747 | $120,031 | 2025-12 |
| Erm Group Foundation Inc | Malvern | 501(c)(3) | 1995 | $164,601 | $245,320 | 2024-12 |
| Cocalico Creek Watershed Association | Reinholds | 501(c)(3) | 2004 | $162,777 | $82,677 | 2025-12 |
| Hourglass Foundation | Lancaster | 501(c)(3) | 1998 | $162,407 | $173,642 | 2025-09 |
| Scenic Pittsburgh | Pittsburgh | 501(c)(3) | 2015 | $161,468 | $36,024 | 2024-12 |
| Spearhead Project Earth A Nonprofit Corporation | Yardley | 501(c)(3) | 2023 | $161,225 | $73,245 | 2025-12 |
| U C Green Inc | Philadelphia | 501(c)(3) | 2004 | $160,945 | $154,638 | 2025-06 |
| Save Our Native Species of Lake Erie Inc | Erie | 501(c)(3) | 2000 | $157,087 | $174,369 | 2024-12 |
| Citizens Coal Council | Washington | 501(c)(3) | 1996 | $156,865 | $50,838 | 2025-06 |
| Rail 66 Country Trail | Lucinda | 501(c)(3) | 2014 | $155,544 | $1.1 million | 2025-12 |
| Conestoga River Club | Pequea | 501(c)(3) | 2022 | $155,449 | $162,082 | 2025-12 |
| Cumberland Valley Rails To Trails Council Inc | Shippensburg | 501(c)(3) | 1992 | $155,295 | $5.4 million | 2025-09 |
| 55 Bradford Land Conservation Inc | Penndel | 501(c)(3) | 2025 | $154,227 | $2.5 million | 2024-12 |
| Riverfront Parks Committee | Wilkesbarre | 501(c)(3) | 1996 | $154,096 | $47,009 | 2025-12 |
| Watersheds of South Pittsburgh | Pittsburgh | 501(c)(3) | 2002 | $153,299 | $176,003 | 2024-12 |
| Pennsylvania Chapter of the American Chestnut Foundation | University Park | 501(c)(3) | 1992 | $153,222 | $234,275 | 2024-12 |
| Intl Association for Landscape Ecology North America | Erie | 501(c)(3) | 1999 | $152,765 | $118,837 | 2024-12 |
| Shenango River Watchers Inc | Hermitage | 501(c)(3) | 2002 | $150,259 | $144,995 | 2025-12 |
| Moraine Preservation Fund | Portersville | 501(c)(3) | 1989 | $148,116 | $347,393 | 2025-12 |
| Brodheads Watershed Association | Henryville | 501(c)(3) | 1990 | $147,307 | $523,627 | 2024-12 |
| Friends of Lackawanna | Dunmore | 501(c)(3) | 2015 | $145,708 | $45,139 | 2024-12 |
| Jacobs Creek Watershed Association | Scottdale | 501(c)(3) | 2001 | $143,814 | $69,808 | 2024-12 |
| Lackawanna River Conservation Association Inc | Scranton | 501(c)(3) | 1988 | $141,706 | $25,223 | 2024-12 |
| Schuylkill Headwaters Association | Pottsville | 501(c)(3) | 2000 | $140,804 | $968,155 | 2025-12 |
| Bottle Underground Inc | Philadelphia | 501(c)(3) | 2020 | $140,310 | $137,590 | 2025-12 |
| The Garden Club of Allegheny County | Sewickley | 501(c)(3) | 1982 | $136,814 | $133,004 | 2026-06 |
| Open Land Conservancy of Chester County | Paoli | 501(c)(3) | 1990 | $135,234 | $5.6 million | 2024-12 |
| Southwestern Pennsylvania Water Network Inc | Johnstown | 501(c)(3) | 2024 | $135,000 | $101,853 | 2025-06 |
| Watersmith Guild Inc | Cheswick | 501(c)(3) | 2021 | $134,557 | $20,787 | 2024-12 |
| Friends of Amwell Valley Hounds Inc | Richboro | 501(c)(3) | 2022 | $132,709 | $30,537 | 2025-12 |
| Eastern States Trail-Endurance Alliance | Jersey Shore | 501(c)(3) | 2022 | $130,894 | $122,867 | 2024-12 |
| Somerset County Conservancy Charitable Trust | Berlin | 501(c)(3) | 1995 | $128,312 | $1.3 million | 2024-12 |
| Tubmill Trout Club Unlimited | New Florence | 501(c)(3) | 2013 | $127,510 | $177,966 | 2025-06 |
| Huntingdon County Game Fish and Forestry Association | Huntingdon | 501(c)(4) | 2016 | $124,005 | $402,120 | 2025-12 |
| Center for Amazon Community Ecology | Lemoyne | 501(c)(3) | 2007 | $123,646 | $141,467 | 2024-12 |
| Responsible Preservation Inc | Philadelphia | 501(c)(3) | 2014 | $119,740 | $20,653 | 2025-12 |
| The Cheshire Land Preservation Fund | Unionville | 501(c)(3) | 1991 | $115,870 | $5 million | 2025-12 |
| Garden Club of McKeesport | McKeesport | 501(c)(3) | 1979 | $115,508 | $812,802 | 2024-12 |
| Conneaut Lake Aquatic MGMT Assoc Inc | Conneaut Lake | 501(c)(3) | 1998 | $112,186 | $268,120 | 2024-12 |
| Greentreks Network Inc | Philadelphia | 501(c)(3) | 2003 | $112,016 | $59,883 | 2024-12 |
| Building Materials Reuse Association | Pittsburgh | 501(c)(3) | 2005 | $110,505 | $78,490 | 2024-12 |
| Rails To Trails of Central Pennsylvania Inc | Hollidaysburg | 501(c)(3) | 1990 | $110,393 | $2.5 million | 2025-12 |
| Friends of Derry Township Parks & Recreation | Hershey | 501(c)(3) | 2005 | $109,472 | $311,547 | 2024-12 |
| Tuscarora Wildlife Education Project Inc | Mercersburg | 501(c)(3) | 1994 | $108,493 | $928,721 | 2025-06 |
| William S Bowman Trust for the Horticultural Beatific of Hershey | Hershey | 501(c)(3) | 1996 | $107,535 | $1 million | 2025-09 |
| Murrysville Area Watershed Association | Monroeville | 501(c)(3) | 2022 | $107,000 | $8,178 | 2024-12 |
| Pennsylvania Mapping and Geographic Informtion Consortium Pamagic | Harrisburg | 501(c)(3) | 2014 | $106,201 | $113,336 | 2026-04 |
| Penn Soil RC & D Council | Warren | 501(c)(3) | 2004 | $103,851 | $95,067 | 2025-12 |
| Centre County Farmland Trust | Centre Hall | 501(c)(3) | 2000 | $103,778 | $400,273 | 2024-12 |
| Anthracite Scenic Trails Association | Dallas | 501(c)(3) | 1994 | $103,233 | $504,794 | 2025-12 |
| Emlworg | Eagles Mere | 501(c)(3) | 2023 | $100,250 | $109,527 | 2025-12 |
| Land Trust of Bucks County | Bedminster | 501(c)(3) | 1998 | $99,337 | $2 million | 2024-12 |
| Save Our Lives & Environment Sole Inc | Philadelphia | 501(c)(3) | 2024 | $98,428 | $2,257 | 2025-12 |
| Headwaters Resource Conservation An D Development Council | Dubois | 501(c)(3) | 2026 | $98,396 | $4.5 million | 2024-12 |
| Northeastern Weed Science Society | Centre Hall | 501(c)(3) | 1968 | $98,271 | $282,927 | 2025-10 |
| Valley Clean Air Now | Glassport | 501(c)(3) | 2024 | $98,056 | $92,211 | 2024-12 |
| Bridlewild Trails Association Inc | Gladwyne | 501(c)(3) | 1989 | $95,602 | $184,765 | 2026-03 |
| Lake Harmony Watershed Preservation Group | Lake Harmony | 501(c)(3) | 2021 | $94,121 | $118,188 | 2025-12 |
| Western Pennsylvania Water Pollution Control Association Inc | Greensburg | 501(c)(3) | 1979 | $93,169 | $85,817 | 2025-12 |
| Pennsylvania Association of Environmental Educators | Zelienople | 501(c)(3) | 1983 | $92,061 | $142,369 | 2025-06 |
| Hiy Inc | Warren | 501(c)(3) | 2017 | $90,485 | $4 million | 2025-06 |
| Clarence Schock Memorial Park at Governor Dick Inc | Mt Gretna | 501(c)(3) | 2000 | $88,636 | $792,550 | 2025-12 |
| McDonald Sportsmans Foundation | Midway | 501(c)(3) | 2011 | $87,888 | $1.3 million | 2025-12 |
| Meadville Garden Club Trees of Christmas Inc | Cochranton | 501(c)(3) | 1995 | $87,384 | $80,686 | 2024-12 |
| Tuna Valley Trail Association | Bradford | 501(c)(3) | 2000 | $82,344 | $105,114 | 2025-12 |
| Moshannon Creek Watershed Association | Philipsburg | 501(c)(3) | 2020 | $82,297 | $32,474 | 2025-12 |
| Hazelwood Green Property Owners Ass Ociation | Pittsburgh | 501(c)(4) | 2026 | $79,813 | $4.4 million | 2024-12 |
| Wyncote Audubon Society | Abington | 501(c)(3) | 1979 | $79,123 | $977,532 | 2025-06 |
| Garden Club Federation of Pennsylvania | Collegeville | 501(c)(3) | 2004 | $78,970 | $395,720 | 2025-06 |
| Friends of Twin Lakes Anf | Wilcox | 501(c)(3) | 2019 | $78,896 | $78,213 | 2025-12 |
| Damascus Citizens for Sustainability | Milanville | 501(c)(3) | 2009 | $77,599 | $65,407 | 2024-12 |
| Westmoreland Garden Council | Greensburg | 501(c)(3) | 1977 | $77,010 | $184,208 | 2025-12 |
| A New Dawn Incorporated | Philadelphia | 501(c)(3) | 2022 | $76,700 | $7,592 | 2025-12 |
| West Vincent Land Trust Inc | Birchrunville | 501(c)(3) | 1999 | $76,500 | $93,475 | 2025-12 |
| Water Science Institute | Lancaster | 501(c)(3) | 2016 | $75,420 | $2,698 | 2024-12 |
| South Lake Preserve | Conneaut Lake | 501(c)(3) | 2006 | $74,754 | $1.8 million | 2025-12 |
| Pennsylvania Environmental Defense Foundation | Boalsburg | 501(c)(3) | 2001 | $73,569 | $39,697 | 2026-05 |
| Urbed | Philadelphia | 501(c)(3) | 2017 | $73,359 | $20,032 | 2025-06 |
| Darby Creek Valley Association | Norwood | 501(c)(3) | 1988 | $72,780 | $180,758 | 2025-12 |
| Ohio Valley Giant Pumpkin Growers | Saegertown | 501(c)(5) | 2004 | $71,188 | $140,015 | 2024-12 |
| Philadelphia Committee of the Garden Club of America | Phoenixville | 501(c)(3) | 2010 | $70,469 | $53,101 | 2025-06 |
| Kettle Creek Environmental Fund | Stroudsburg | 501(c)(3) | 1992 | $70,269 | $157,050 | 2025-12 |
| Drake Energy Security Forum | Oil City | 501(c)(3) | 2024 | $70,117 | $21,270 | 2024-12 |
| Pennsylvania Urban and Community Forestry Council | Harrisburg | 501(c)(3) | 1996 | $69,154 | $545,681 | 2024-09 |
| Phone-Free Schools Movement Foundation | Valley Forge | 501(c)(3) | 2024 | $69,000 | $38,339 | 2024-12 |
| Northampton County Junior Conservation School | Bath | 501(c)(3) | 2014 | $67,870 | $272,054 | 2024-12 |
| Garden Club of Mount Desert | Devon | 501(c)(3) | 1973 | $66,711 | $252,581 | 2025-08 |
| Bryn Mawr Beautiful Foundation | Bryn Mawr | 501(c)(3) | 1994 | $66,485 | $25,120 | 2024-12 |
| Radnor Conservancy | Wayne | 501(c)(3) | 2004 | $65,644 | $263,161 | 2024-12 |
| Water Lily Society Inc | Unionville | 501(c)(3) | 1986 | $62,386 | $63,272 | 2025-12 |
| Chestnut Hill Garden District Fund | Philadelphia | 501(c)(3) | 1999 | $61,450 | $106,231 | 2024-12 |
| Pennsylvania Bi-Partisan Climate Initiative | Philadelphia | 501(c)(3) | 2023 | $59,804 | $26,059 | 2024-12 |
| Friends of Worcester | Norristown | 501(c)(3) | 2000 | $59,132 | $18,720 | 2024-12 |
| Keystone Water Resources Center | State College | 501(c)(3) | 2020 | $57,686 | $32,073 | 2025-12 |
| Lititz Run Watershed Alliance CPLD | Lititz | 501(c)(3) | 2003 | $56,940 | $31,048 | 2025-12 |
| Nittany Mountain Biking Association | State College | 501(c)(3) | 2011 | $56,896 | $83,088 | 2024-12 |
| Middlesex TWP Volunter Fire Co Relief Asso | Valencia | 501(c)(4) | 2003 | $56,832 | $146,930 | 2024-12 |
| Responsible Drilling Alliance | Montoursville | 501(c)(3) | 2011 | $56,554 | $32,750 | 2025-10 |
| Friends of High School Park | Cheltenham | 501(c)(3) | 1996 | $56,399 | $69,322 | 2024-12 |
| Geiger Development Treatment Trust | Somerset | 501(c)(3) | 2024 | $56,365 | $769,420 | 2025-12 |
| Klean Kensington Inc | Philadelphia | 501(c)(3) | 2024 | $55,380 | $7,186 | 2024-12 |
| Pine Creek Valley Watershed Association Inc | Oley | 501(c)(3) | 1989 | $55,057 | $654,800 | 2024-12 |
| Environmental Education and Conservation Global Incorporated | Coudersport | 501(c)(3) | 2001 | $54,103 | $30,921 | 2025-12 |
| Save Our Allegheny Ridges Inc | Everett | 501(c)(3) | 2010 | $53,801 | $101,098 | 2025-06 |
| Wish Them Well | Penllyn | 501(c)(3) | 2018 | $52,539 | $25,407 | 2025-12 |
| Pennsylvania Pink Zone | State College | 501(c)(3) | 2012 | $50,629 | $28,198 | 2026-06 |
| School of Living | Julian | 501(c)(3) | 1959 | $50,542 | $861,087 | 2025-12 |
| Toby Creek Watershed Association Inc | Brockway | 501(c)(3) | 2000 | $49,722 | $79,401 | 2025-12 |
| Greater Hazelton Area Civic Partnership | Hazleton | 501(c)(3) | 1999 | $49,707 | $314,138 | 2025-06 |
| Friends of Raystown Lake | Huntingdon | 501(c)(3) | 1997 | $45,105 | $126,155 | 2025-09 |
| Pine Glen Treatment Trust | Williamsport | 501(c)(3) | 2019 | $45,075 | $564,381 | 2025-12 |
| Tri County Snowblazers Inc | Corry | 501(c)(4) | 2004 | $44,654 | $244,574 | 2025-12 |
| Clean City Corp | Bryn Mawr | 501(c)(3) | 2002 | $43,046 | $1,841 | 2024-12 |
| Tri-County Conewago Creek Association | Elizabethtown | 501(c)(3) | 2002 | $42,147 | $17,585 | 2025-12 |
| Tioga River Trust | Williamsport | 501(c)(3) | 2017 | $41,654 | $645,328 | 2025-12 |
| Pymatuning Lake Association | Glenshaw | 501(c)(3) | 2019 | $40,977 | $68,667 | 2025-12 |
| Hemlock Farms Conservancy | Lords Valley | 501(c)(3) | 2009 | $39,528 | $294,165 | 2025-12 |
| Wissahickon Garden Club | Wyndmoor | 501(c)(3) | 2018 | $38,363 | $88,361 | 2025-06 |
| Pennsylvania Conservative Energy Forum | Camp Hill | 501(c)(3) | 2019 | $38,199 | $120 | 2024-12 |
| East Marlborough Land Trust | Kennett SQ | 501(c)(3) | 1994 | $37,050 | $1.6 million | 2024-12 |
| South Central Pennsylvania Climbers | Camp Hill | 501(c)(3) | 2015 | $36,986 | $58,753 | 2025-12 |
| Black Forest Conservation Association Inc | Coudersport | 501(c)(3) | 2017 | $36,967 | $132,686 | 2025-12 |
| Greenforge Inc | Greensburg | 501(c)(3) | 2006 | $34,042 | $62,447 | 2025-12 |
| Great Marsh Institute LTD | Elverson | 501(c)(3) | 2018 | $33,437 | $6,020 | 2025-12 |
| MSC Foundation | Pittsburgh | 501(c)(3) | 2014 | $31,878 | $815,420 | 2024-12 |
| Octoraro Watershed Association Inc | Cochranville | 501(c)(3) | 1991 | $31,821 | $174,850 | 2025-04 |
| The Western Clinton Sportmans Association | Renovo | 501(c)(3) | 1996 | $31,717 | $210,809 | 2025-12 |
| The Nuangola Lake Association | Mountain Top | 501(c)(3) | 2006 | $31,541 | $64,030 | 2026-03 |
| Friends of Historic Heishmans Mill | Carlisle | 501(c)(3) | 2022 | $31,096 | $19,602 | 2025-12 |
| Mokoma Conservancy | Laporte | 501(c)(3) | 2001 | $30,872 | $1.3 million | 2024-12 |
| Awbury Arboretum Trust | Philadelphia | 501(c)(3) | 2016 | $30,360 | $695,709 | 2025-12 |
| Arc Alliance of Regenerative Culture Inc | Philadelphia | 501(c)(3) | 2024 | $29,884 | $25,835 | 2024-12 |
| Vishva Gayatri A Not for Profit Corporation | Towanda | 501(c)(3) | 2000 | $29,739 | $162,610 | 2025-12 |
| Bushkill Stream Conservancy | Easton | 501(c)(3) | 1992 | $28,005 | $101,434 | 2025-12 |
| North Pocono C A R E | Gouldsboro | 501(c)(3) | 2001 | $26,676 | $215,046 | 2025-12 |
| Habitheque Blue and Green Fund | Pipersville | 501(c)(3) | 2019 | $25,967 | $626,844 | 2024-12 |
| Save Stone Meadows Farm | Newtown | 501(c)(3) | 2018 | $25,616 | $33,541 | 2024-12 |
| Little Conestoga Watershed | Lancaster | 501(c)(3) | 2002 | $24,706 | $21,705 | 2025-12 |
| Mid-Atlantic Karst Conservancy | Blairsville | 501(c)(3) | 1998 | $24,205 | $383,858 | 2024-12 |
| Appalachian Audubon Society | Camp Hill | 501(c)(3) | 1974 | $23,592 | $104,279 | 2025-06 |
| Cumberland Valley Rails To Trails Endowment Fund | Shippensburg | 501(c)(3) | 2023 | $23,126 | $63,498 | 2025-12 |
| Allegheny Mountain Section of the Air & Waste Management Association | Wexford | 501(c)(3) | 1983 | $22,897 | $119,255 | 2024-12 |
| Palmyra Garden Club | Palmyra | 501(c)(3) | 2001 | $21,618 | $380,254 | 2026-05 |
| Martha Washngton Garden Clue | Newtown | 501(c)(3) | 2015 | $20,584 | $76,501 | 2025-08 |
| Little Shamokin Creek Watershed Association | Sunbury | 501(c)(3) | 2009 | $20,538 | $491,985 | 2024-12 |
| Global Water Alliance | Philadelphia | 501(c)(3) | 2009 | $20,317 | $36,630 | 2025-12 |
| McClure Revitalization Committee Inc | MC Clure | 501(c)(3) | 2018 | $18,709 | $8,774 | 2025-12 |
| Swatara Creek Watershed Association Inc | Annville | 501(c)(3) | 1996 | $18,343 | $69,457 | 2024-12 |
| Glade Run Lake Conservancy Inc | Valencia | 501(c)(3) | 2012 | $17,332 | $93,024 | 2025-12 |
| Clearfield Creek Watershed Association | Ashville | 501(c)(3) | 2002 | $17,182 | $192,286 | 2024-12 |
| Lake Chrisann Community Association | Montrose | 501(c)(7) | 2014 | $16,611 | $234,021 | 2026-04 |
| Mobile Air Conditioning Society Education Institute and Foundation | Lansdale | 501(c)(3) | 2002 | $15,892 | $102,569 | 2025-06 |
| Young Involved Philadelphia | Philadelphia | 501(c)(3) | 2005 | $14,090 | $45,938 | 2024-12 |
| Recycling Services Inc | Pottstown | 501(c)(3) | 1986 | $13,908 | $173,136 | 2025-12 |
| Carantouan Greenway | Sayre | 501(c)(3) | 1995 | $12,801 | $201,639 | 2025-12 |
| Citizens Environmental Association of the Slippery Rock Area Inc | Grove City | 501(c)(3) | 2019 | $12,748 | $61,218 | 2025-10 |
| Kellners Dam Association | Tamaqua | 501(c)(3) | 2019 | $12,656 | $6,666 | 2025-12 |
| London Britain Township Land Trust | Kemblesville | 501(c)(3) | 2000 | $11,461 | $587,998 | 2024-12 |
| Save Our Land Save Our Towns Enterprises Inc | Pottstown | 501(c)(3) | 2000 | $11,141 | $12,827 | 2025-12 |
| Oak Spring Sportsmens Association LLC | Canadensis | 501(c)(7) | 2024 | $11,117 | $60,861 | 2024-12 |
| Enchanted Mountain Snowmobile Club Inc | Bradford | 501(c)(3) | 2009 | $10,359 | $44,090 | 2025-08 |
| Munnell Run Farm Foundation Inc | Mercer | 501(c)(3) | 2002 | $9,998 | $96,640 | 2024-12 |
| Garden Club of Oakmont | Oakmont | 501(c)(3) | 1971 | $9,158 | $26,159 | 2026-06 |
| The Southeastern Pennsylvania Resource Conservation and | Media | 501(c)(3) | 1999 | $7,130 | $37,524 | 2025-12 |
| Ohio River Trail Council | Monaca | 501(c)(3) | 2009 | $6,994 | $74,028 | 2025-12 |
| Promises for Pets Inc | New Castle | 501(c)(3) | 2023 | $6,389 | $165,983 | 2025-12 |
| Sabine Coalition Corporation | Narberth | 501(c)(3) | 2023 | $6,225 | $2,868 | 2025-12 |
| Mahanoy Creek Watershed Association | Ashland | 501(c)(3) | 2001 | $6,200 | $50,205 | 2026-04 |
| Friends of Penn Treaty Park | Philadelphia | 501(c)(3) | 2007 | $5,792 | $8,111 | 2024-12 |
| Lake Erie Region Conservancy Inc | Erie | 501(c)(3) | 2001 | $5,538 | $1.5 million | 2025-12 |
| Pennsbury Land Trust | Chadds Ford | 501(c)(3) | 1996 | $5,208 | $138,261 | 2025-12 |
| Franklin Recovery PHL | Philadelphia | 501(c)(3) | 2024 | $5,186 | $3,078 | 2024-01 |
| Paunacussing Watershed Assoc Corp | Carversville | 501(c)(3) | 2024 | $4,920 | $2,535 | 2025-12 |
| Tony Richards Leadership Academy Inc | Aliquippa | 501(c)(3) | 2021 | $4,837 | $581 | 2023-06 |
| Rockhill Environmental Preservation Alliance Inc | Perkasie | 501(c)(3) | 2018 | $4,250 | $1,174 | 2025-12 |
| Wallace Trust | Glenmoore | 501(c)(3) | 1999 | $4,213 | $465,674 | 2025-08 |
| Big Spring Watershed Association | Newville | 501(c)(3) | 2001 | $4,183 | $5,011 | 2025-12 |
| Mundo Madre Inc | Philadelphia | 501(c)(3) | 2020 | $4,117 | $1 | 2025-12 |
| Friends of New Britain Parks Inc | New Britain | 501(c)(3) | 2021 | $3,726 | $8,879 | 2025-12 |
| Canonsburg Lake Restoration and Imp Association | Dormont | 501(c)(3) | 2019 | $3,683 | $241,583 | 2024-12 |
| Southern Alleghenies Conservancy Inc | Huntingdon | 501(c)(3) | 1990 | $3,355 | $397,142 | 2025-12 |
| Montour Run Watershed Association | Pittsburgh | 501(c)(3) | 2000 | $3,211 | $17,665 | 2025-12 |
| Chartiers Nature Conservancy Inc | Pittsburgh | 501(c)(3) | 2024 | $2,617 | $1.1 million | 2025-12 |
| 25TH Infantry Memorial Fund Inc | Flourtown | 501(c)(3) | 2007 | $1,645 | $19,830 | 2025-12 |
| Coxton Lake Environmental Preserve Clep | Newtown | 501(c)(3) | 1999 | $1,556 | $40,050 | 2025-12 |
| Nature Club at the Villages at Pine Valley | Philadelphia | 501(c)(3) | 2025 | $1,162 | $27 | 2025-12 |
| Scrubgrass Creek Watershed Associat Ion | Kennerdell | 501(c)(3) | 2010 | $845 | $3,760 | 2025-12 |
| Friends of Smedley Park Corp | Springfield | 501(c)(3) | 2017 | $599 | $963 | 2025-12 |
| Foraging Friends Inc | Shamokin | 501(c)(3) | 2025 | $510 | $510 | 2026-01 |
| Armstrong Conservancy Inc | Kittanning | 501(c)(3) | 2019 | $330 | $86,508 | 2025-12 |
| Wysox Creek Watershed Association Inc | Leraysville | 501(c)(3) | 2001 | $87 | $34,942 | 2025-12 |
| Crooked Billet Maintenance Corporation | Kennett SQ | 501(c)(4) | 2022 | $10 | $1 | 2020-12 |
| Olde & South Kensington Green Space | Philadelphia | 501(c)(3) | 2019 | $4 | $47,583 | 2025-12 |
| South Fayette Conservation Group | Morgan | 501(c)(3) | 2004 | $3 | $26,901 | 2025-12 |
| 1 Percent for Nature Inc | Stroudsburg | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| A Noble Cause | Brockport | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Adopt An Acre Inc | Wernersville | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Afewsteps Foundation | Wallingford | 501(c)(3) | 2012 | $0 | $0 | 2025-06 |
| Agroforestry and Agricultural Land Management Initiative in Ethiopia | Wernersville | 501(c)(3) | 2026 | $0 | $0 | 2025-06 |
| Allegheny Aquatic Alliance | Freedom | 501(c)(3) | 2013 | $0 | $0 | 2025-02 |
| Allegheny Plateau Audubon Society | Windber | 501(c)(3) | 2004 | $0 | $0 | 2025-06 |
| Allegheny River Boulevard Preservation Association | Pittsburgh | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Allegheny Valley Conservancy | Franklin | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Alliance for Sustainable Communities-Lehigh Valley Inc | Easton | 501(c)(3) | 2008 | $0 | $0 | 2024-12 |
| Allison Park Sportsmens Club | Glenshaw | 501(c)(4) | 2026 | |||
| Always Overcoming Obstacles | Upper Darby | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Amaizi H20 Outreach Inc | Philadelphia | 501(c)(3) | 2025 | |||
| Ambler Keystone Branch of Womans National Farm & Garden Association | Gwynedd Valley | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| America the Beautiful Foundation | Philadelphia | 501(c)(3) | 2026 | |||
| American Association of Blacks in Energy - Philadelphia Chapter | Philadelphia | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| American Daffodil Society | Camp Hill | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| American Water Relief | Aliquippa | 501(c)(3) | 1993 | $0 | $0 | 2024-12 |
| Andorra Run Conservancy | Lafayette HL | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Anthracite Upland Pointing Dog Association | Muir | 501(c)(3) | 2018 | $29,695 | 2024-01 | |
| Antietam Watershed Association Inc | Waynesboro | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Aquashicola and Pohopoco Watershed Conservancy Inc | Stroudsburg | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Aquetong Watershed Association Inc | New Hope | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Atlantic Haven | Bryn Mawr | 501(c)(3) | 2024 | |||
| Atlas Ecoscience | Lancaster | 501(c)(3) | 2024 | |||
| Aultman Watershed Association for Restoring the Environment | Kent | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Backyard Fruit Growers Inc | Annville | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Backyard Nature | Pittsburgh | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Barshinger Creek Preservation Alliance | Red Lion | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Bayard Cutting Arboretum Endowment Fund | Pittsburgh | 501(c)(3) | 1970 | $15.3 million | 2025-12 | |
| Beaver Creek Preserve Inc | Elverson | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Beaver Valley Land & Wildlife Inc | Endeavor | 501(c)(3) | 2013 | $13,171 | 2025-12 | |
| Bee Inspiring Foundation Inc | Wernersville | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Beekeepers and Educators Engaged in Kenya Inc | State College | 501(c)(3) | 2025 | |||
| Behind the Vines Foundation Inc | Millerton | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Bel Arbor | Philadelphia | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Belmont Plateau Trails Alliance Inc | Philadelphia | 501(c)(3) | 2026 | |||
| Bennetts Valley Rails To Trails Association | Weedville | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Berks Trail Works | Birdsboro | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Bertsch Hokendauqua Catasauqua Watershed Association | Northampton | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Bethlehem for Unique Neighborhood I NC | Bethlehem | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Better Life Youth Association | Lancaster | 501(c)(3) | 2024 | |||
| Beyond Bars Initiative Inc | Pittsburgh | 501(c)(3) | 2026 | |||
| Bikers Against Cop Killers Iron Hill Chapter | Easton | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Bikers Against Cop Killers National Charter | Palmerton | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Bikers Against Cop Killers Steel City Chapter | Easton | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Biophilly | Kimberton | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Birds Eat Free Foundation | Downingtown | 501(c)(3) | 2015 | $3,391 | 2025-12 | |
| Black Girls With Green Thumbs Trust Inc | Philadelphia | 501(c)(3) | 2025 | |||
| Blackleggs Watershed Associationinc | Clarksburg | 501(c)(3) | 2007 | $0 | $42,687 | 2025-12 |
| Blacklick Creek Watershed Association Inc | Homer City | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Block By Block Community | Philadelphia | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Blue Crew Gives Back | Frazer | 501(c)(3) | 2024 | |||
| Blue Mountain Wildlife Inc | Hamburg | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Blytheburn Lake Association Inc | Mountain Top | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Bobs Creek Stream Guardians | Imler | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Botanical Society of Lower Merion | Merion Sta | 501(c)(3) | 2000 | $0 | $0 | 2024-12 |
| Botanography | Philadelphia | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Bottomlands Conservancy Inc | Friedens | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Brewerytown Garden | Philadelphia | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Briar Creek Association for Watershed Solutions | Berwick | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Briar Hill Foundation | Lancaster | 501(c)(3) | 2025 | $1.1 million | 2024-12 | |
| Briarcrest Conservancy | Villanova | 501(c)(3) | 2003 | $130,359 | 2023-12 | |
| Brokenstraw Watershed Council | Corry | 501(c)(3) | 2023 | $0 | $0 | 2025-06 |
| Brush Creek Conservation Association | Cranberry TWP | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Brush Creek Watershed Association | Cranberry TWP | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Bucks County Branch of Womans National Farm & Garden Association | Doylestown | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Bucks County Creative Reuse | Yardley | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Buffalo Prescribed Burn Association | Lewisburg | 501(c)(3) | 2026 | |||
| Burgh Bees | Pittsburgh | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Buxmont Coalition for Safer Water | Lansdale | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Call To the Bar Nonprofit Organization | Philadelphia | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Cambria & Indiana Trail Council | Ebensburg | 501(c)(3) | 1993 | $0 | $0 | 2025-12 |
| Camp Little Seed | Athens | 501(c)(3) | 2018 | $80,105 | 2025-03 | |
| Camp Sassy Squatch | Parker | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Camplife Foundation Inc | Equinunk | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Carbon League | Bryn Mawr | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Carlisle Garden Club | Carlisle | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Carrie T Watson Garden Club | Erie | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Cedar Park Neighbors | Philadelphia | 501(c)(3) | 2013 | $0 | $0 | 2024-12 |
| Center for Conservation Studies Inc | Lucinda | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Center for Landscape Design & Stewardship | Drums | 501(c)(3) | 2009 | $0 | $0 | 2025-04 |
| Center for Sustainable Living and Learning | West Sunbury | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Central Delaware Advocacy Group | Philadelphia | 501(c)(3) | 2010 | $0 | $0 | 2026-07 |
| Central Pennsylvania Water Quality Association | Hershey | 501(c)(3) | 1984 | $0 | $0 | 2024-12 |
| Chest Creek Watershed Alliance Inc | Patton | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Chester County Conservation School | Downingtown | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Chester Valley Sportsmens Association Inc | Malvern | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Chico Outdoors Inc | Norvelt | 501(c)(3) | 2020 | $0 | $0 | 2023-12 |
| Chicorylane Foundation | Spring Mills | 501(c)(3) | 2024 | $128,514 | 2025-12 | |
| Chiques Creek Watershed Alliance | Mount Joy | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Circle Change Co | Philadelphia | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Citizens Advocating A Clean Healthy Environment Inc | James City | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Citizens To Preserve Ligonier Valley | Ligonier | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| City Bright | Lafayette HL | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| City Parks Institute of Philadelphia | Philadelphia | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
Every nonprofit in Pennsylvania
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.