Data / Nonprofits / New York / Environment
Environment nonprofits in New York: 1,685 registered with the IRS
1,685 environment nonprofits are registered with the IRS in New York, 1,635 of them 501(c)(3) charities; the 657 that report revenue took in $2.29 billion. The most are in New York (272), Brooklyn (99), Albany (39). The largest by revenue: Environmental Defense Fund Incorporated ($443.3 million), Natural Resources Defense Council Inc ($248.9 million), National Audubon Society Inc ($197.3 million).
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The 500 largest by revenue
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Environmental Defense Fund Incorporated | New York | 501(c)(3) | 1969 | $443.3 million | $520.4 million | 2025-09 |
| Natural Resources Defense Council Inc | New York | 501(c)(3) | 1970 | $248.9 million | $657.2 million | 2025-06 |
| National Audubon Society Inc | New York | 501(c)(3) | 1972 | $197.3 million | $641.3 million | 2025-06 |
| New York Botanical Garden | Bronx | 501(c)(3) | 1925 | $124.7 million | $700.4 million | 2025-06 |
| C40 Cities Climate Leadership Group Inc | New York | 501(c)(3) | 2013 | $73.6 million | $43.9 million | 2024-12 |
| Open Space Institute Land Trust Inc | New York | 501(c)(3) | 1980 | $73.1 million | $448.3 million | 2024-12 |
| Allied Climate Partners Inc | New York | 501(c)(3) | 2023 | $66.5 million | $71.4 million | 2024-12 |
| Hudson Highlands Fjord Trail Inc | Poughkeepsie | 501(c)(3) | 2021 | $60.1 million | $90.7 million | 2025-06 |
| Sustainable Markets Foundation | New York | 501(c)(3) | 2002 | $47.5 million | $59.1 million | 2025-08 |
| CDP North America Inc | New York | 501(c)(3) | 2012 | $38.7 million | $28.9 million | 2025-03 |
| Brooklyn Botanic Garden Corporation | Brooklyn | 501(c)(3) | 1977 | $36.2 million | $158.8 million | 2024-12 |
| Cary Institute of Ecosystem Studies Inc | Millbrook | 501(c)(3) | 1993 | $31 million | $155.9 million | 2025-06 |
| Peconic Land Trust Incorporated | Southampton | 501(c)(3) | 1989 | $28.1 million | $455 million | 2024-12 |
| Catskill Watershed Corporation | Arkville | 501(c)(3) | 1998 | $24.9 million | $223.5 million | 2025-12 |
| Environmental Defense Action Fund | New York | 501(c)(4) | 2003 | $24.6 million | $11.1 million | 2025-09 |
| Council On the Environment Inc | New York | 501(c)(3) | 1981 | $24.1 million | $70.2 million | 2025-06 |
| New York Climate Exchange Inc | New York | 501(c)(3) | 2024 | $21.2 million | $121.2 million | 2025-06 |
| Wetland Trust | Ithaca | 501(c)(3) | 2009 | $20.5 million | $22 million | 2024-12 |
| Scenic Hudson Inc | Poughkeepsie | 501(c)(3) | 1977 | $18.6 million | $76.6 million | 2025-06 |
| Climate Jobs National Resource Center Inc | New York | 501(c)(3) | 2020 | $15.4 million | $20.1 million | 2024-12 |
| We Mean Business Coalition Inc | New York | 501(c)(3) | 2021 | $15.2 million | $21.8 million | 2024-12 |
| Spiral House Park | Saugerties | 501(c)(3) | 2025 | $14.6 million | $14.3 million | 2025-04 |
| Tenure Facility Fund | New York | 501(c)(3) | 2024 | $14.2 million | $13.4 million | 2024-12 |
| Horticultural Society of New York Inc | New York | 501(c)(3) | 1944 | $14.1 million | $13.1 million | 2025-06 |
| Research Center On Natural Conservation Inc | Harriman | 501(c)(3) | 2014 | $13.3 million | $22.9 million | 2024-12 |
| Empire Discovery Institute Inc | Rochester | 501(c)(3) | 2018 | $13.2 million | $12.8 million | 2024-12 |
| Genesee Valley Conservancy Inc | Geneseo | 501(c)(3) | 1990 | $13 million | $10.7 million | 2025-12 |
| Scenic Hudson Land Trust Inc | Poughkeepsie | 501(c)(3) | 1983 | $12.2 million | $332.7 million | 2025-06 |
| Buffalo and Erie County Botanical Gardens Society Inc | Buffalo | 501(c)(3) | 1989 | $11.6 million | $20 million | 2025-12 |
| Riverside Park Conservancy Inc | New York | 501(c)(3) | 1988 | $10.9 million | $7.5 million | 2024-12 |
| West Harlem Environmental Action Inc | New York | 501(c)(3) | 1995 | $10.4 million | $21.9 million | 2024-12 |
| The Finger Lakes Land Trust Inc | Ithaca | 501(c)(3) | 1992 | $10 million | $46.1 million | 2025-06 |
| Friends of Pool Inc | New York | 501(c)(3) | 2015 | $10 million | $9.8 million | 2024-12 |
| Safe Water Network | New York | 501(c)(3) | 2006 | $9.1 million | $16.3 million | 2024-12 |
| Madison Square Park Conservancy Inc | New York | 501(c)(3) | 2003 | $8.7 million | $19.4 million | 2025-12 |
| Waterkeeper Alliance Inc | New York | 501(c)(3) | 2000 | $8.5 million | $7 million | 2025-06 |
| Only One Inc | New York | 501(c)(3) | 2013 | $8.4 million | $1.2 million | 2024-12 |
| Rainforest Foundation Inc | Brooklyn | 501(c)(3) | 1994 | $7.8 million | $6.8 million | 2024-12 |
| Lake George Land Conservancy Inc | Bolton LNDG | 501(c)(3) | 1989 | $7.8 million | $46.4 million | 2025-06 |
| Wave Hill Incorporated | Bronx | 501(c)(3) | 1965 | $7.7 million | $84.2 million | 2025-06 |
| Creo Family Office Syndicate | New York | 501(c)(3) | 2017 | $7.6 million | $5.9 million | 2024-12 |
| Cec Stuyvesant Cove Inc | Long Island City | 501(c)(3) | 2004 | $7.4 million | $6.8 million | 2024-12 |
| The Garden Club of America | New York | 501(c)(3) | 1954 | $7.4 million | $65.7 million | 2025-06 |
| National Wind Technology Consortium | Albany | 501(c)(3) | 2019 | $7.3 million | $3.3 million | 2024-12 |
| Hudson River Foundation for Science and Environmental Research Inc | New York | 501(c)(3) | 1981 | $7 million | $55.2 million | 2024-12 |
| Open Space Institute Inc | New York | 501(c)(3) | 1966 | $6.9 million | $23.3 million | 2024-12 |
| Snug Harbor Cultural Center and Botanical Garden | Staten Island | 501(c)(3) | 2009 | $6.8 million | $4.8 million | 2025-06 |
| Queens Botanical Garden Society Inc | Flushing | 501(c)(3) | 1948 | $6.7 million | $16.2 million | 2025-06 |
| Genesee Land Trust Inc | Rochester | 501(c)(3) | 1994 | $6.3 million | $9.4 million | 2025-03 |
| New York City Outward Bound Center Inc | Long Is City | 501(c)(3) | 1989 | $6 million | $10 million | 2025-06 |
| Climate Jobs National Resource Center Action Fund Inc | New York | 501(c)(4) | 2020 | $5.9 million | $13.2 million | 2024-12 |
| Columbia Land Conservancy Inc | Chatham | 501(c)(3) | 1987 | $5.8 million | $31.1 million | 2025-06 |
| Riverkeeper Inc | Ossining | 501(c)(3) | 1984 | $5.7 million | $4.8 million | 2025-06 |
| Mohonk Preserve Inc | New Paltz | 501(c)(3) | 1980 | $5.6 million | $31.7 million | 2025-12 |
| Adirondack Mountain Club Inc | Lake Placid | 501(c)(3) | 1958 | $5.6 million | $8 million | 2024-12 |
| Ashokan Center Inc | Olivebridge | 501(c)(3) | 2010 | $5.4 million | $5 million | 2024-12 |
| Dutchess Land Conservancy Inc | Millbrook | 501(c)(3) | 1986 | $5.2 million | $35.3 million | 2025-12 |
| Thousand Islands Land Trust Inc | Clayton | 501(c)(3) | 1986 | $5.2 million | $32.1 million | 2025-12 |
| New York City Energy Efficiency Corporation | New York | 501(c)(3) | 2012 | $5.2 million | $50.7 million | 2025-06 |
| Harlem Grown Inc | New York | 501(c)(3) | 2011 | $5.1 million | $5.8 million | 2024-12 |
| Buffalo Niagara Waterkeeper Inc | Buffalo | 501(c)(3) | 1989 | $4.7 million | $14.9 million | 2025-12 |
| High Atlas Foundation | New York | 501(c)(3) | 2001 | $4.2 million | $2.1 million | 2024-12 |
| Winnakee Land Trust Inc | Rhinebeck | 501(c)(3) | 1990 | $3.9 million | $13.8 million | 2024-12 |
| Hudson Taconic Lands Inc | Averill Park | 501(c)(3) | 2009 | $3.8 million | $8.1 million | 2024-12 |
| Stonecrop Gardens Inc | Cold Spring | 501(c)(3) | 1973 | $3.7 million | $66.2 million | 2025-09 |
| Finger Lakes Reuse Inc | Ithaca | 501(c)(3) | 2008 | $3.7 million | $1.9 million | 2024-12 |
| B Team Headquarters Inc | New York | 501(c)(3) | 2013 | $3.6 million | $2.4 million | 2024-12 |
| Terraset | New York | 501(c)(3) | 2022 | $3.6 million | $847,059 | 2024-12 |
| Western New York Land Conservancy Inc | Wales Center | 501(c)(3) | 1992 | $3.5 million | $12.6 million | 2024-12 |
| Resilient Cities Catalyst Inc | Brooklyn | 501(c)(3) | 2020 | $3.5 million | $6.7 million | 2024-12 |
| Adirondack Land Trust Inc | Keene | 501(c)(3) | 1984 | $3.4 million | $32.3 million | 2025-06 |
| Alliance for Clean Energy New York Inc | Albany | 501(c)(3) | 2006 | $3.4 million | $2.4 million | 2024-12 |
| Environmental Grantmakers Association | New York | 501(c)(3) | 2007 | $3.3 million | $3.5 million | 2024-12 |
| Climate Group Inc | New York | 501(c)(3) | 2005 | $3.3 million | $440,215 | 2025-06 |
| New York Restoration Project | New York | 501(c)(3) | 1997 | $3.2 million | $16.6 million | 2024-12 |
| Saratoga P L A N Inc | Saratoga Springs | 501(c)(3) | 1988 | $3.2 million | $6.7 million | 2025-12 |
| East of Hudson Watershed Corporation | Patterson | 501(c)(3) | 2015 | $3.2 million | $12.4 million | 2025-12 |
| Spring Street Climate Fund Inc | Brooklyn | 501(c)(3) | 2022 | $3.2 million | $1.4 million | 2025-06 |
| Capital Roots Inc | Troy | 501(c)(3) | 1975 | $3.2 million | $12 million | 2024-12 |
| New York City Bird Alliance Inc | New York | 501(c)(3) | 1981 | $3.2 million | $3.4 million | 2026-03 |
| Greenfaith | New York | 501(c)(3) | 1997 | $3.1 million | $590,048 | 2024-12 |
| Friends of the Charles Darwin Foundation for the Galapagos Islan | Jefferson Vly | 501(c)(3) | 2022 | $3.1 million | $3.2 million | 2025-12 |
| New York City Environmental Justice Alliance Inc | Brooklyn | 501(c)(3) | 1995 | $3.1 million | $5.8 million | 2024-12 |
| Adirondack Council Inc | Elizabethtown | 501(c)(3) | 1978 | $3.1 million | $11.7 million | 2025-06 |
| Niagara Falls National Heritage Area Inc | Niagara Univ | 501(c)(3) | 2013 | $3.1 million | $1.8 million | 2024-12 |
| Bronx River Alliance Inc | Bronx | 501(c)(3) | 2002 | $3.1 million | $2.6 million | 2025-12 |
| Environmental Advocates Ny Inc | Albany | 501(c)(3) | 1981 | $3 million | $3.9 million | 2025-12 |
| Natural Areas Conservancy Inc | New York | 501(c)(3) | 2014 | $2.9 million | $5.8 million | 2024-12 |
| Center for Urban Pedagogy Inc | Brooklyn | 501(c)(3) | 2002 | $2.9 million | $2.2 million | 2024-12 |
| Regional Greenhouse Gas Initiative Inc | New York | 501(c)(3) | 2008 | $2.8 million | $1.5 million | 2025-12 |
| Mohawk Hudson Land Conservancy Inc | Albany | 501(c)(3) | 1994 | $2.7 million | $12.4 million | 2024-12 |
| Big Initiatives Incorporated | Brooklyn | 501(c)(3) | 2016 | $2.7 million | $7.3 million | 2024-12 |
| Catskill Center for Conservation and Development Inc | Arkville | 501(c)(3) | 1970 | $2.7 million | $8.6 million | 2025-12 |
| Urban Green Council | New York | 501(c)(3) | 2003 | $2.6 million | $1.1 million | 2024-12 |
| Museum at Eldridge Street | New York | 501(c)(3) | 1998 | $2.6 million | $6 million | 2025-12 |
| New York League of Conservation Voters Education Fund Inc | New York | 501(c)(3) | 1994 | $2.6 million | $1.7 million | 2024-12 |
| Friends of Rye Nature Center Inc | Rye | 501(c)(3) | 1965 | $2.6 million | $3 million | 2024-12 |
| Coalition for Rainforest Nations Secretariat | New York | 501(c)(3) | 2009 | $2.5 million | $5.2 million | 2024-12 |
| Black Rock Forest Consortium Inc | Cornwall | 501(c)(3) | 1989 | $2.4 million | $24.6 million | 2025-09 |
| The Central New York Land Trust Inc | Fayetteville | 501(c)(3) | 1975 | $2.4 million | $11.9 million | 2025-04 |
| Third Act Education Fund Inc | New York | 501(c)(3) | 2024 | $2.4 million | $836,130 | 2024-12 |
| Saha Global Inc | New York | 501(c)(3) | 2009 | $2.4 million | $5.1 million | 2025-12 |
| Sure We Can Inc | Brooklyn | 501(c)(3) | 2008 | $2.4 million | $3.2 million | 2024-12 |
| Sustainable Westchester Inc | Mount Kisco | 501(c)(3) | 2013 | $2.3 million | $891,288 | 2024-12 |
| North Shore Land Alliance Inc | Oyster Bay | 501(c)(3) | 2004 | $2.2 million | $21.7 million | 2024-12 |
| Westchester Land Trust Inc | Bedford Hills | 501(c)(3) | 1994 | $2.2 million | $27.3 million | 2024-12 |
| Lets Share the Sun Foundation | Troy | 501(c)(3) | 2010 | $2.1 million | $518,036 | 2025-12 |
| Circulate Initiative Inc | New York | 501(c)(3) | 2019 | $2.1 million | $4.4 million | 2025-12 |
| Global Justice Ecology Project Inc | Randolph | 501(c)(3) | 2004 | $2 million | $1.5 million | 2025-03 |
| Foundation for New Yorks Strongest Inc | New York | 501(c)(3) | 2019 | $2 million | $1.1 million | 2025-06 |
| Upstate Freshwater Institute Incorporated | Syracuse | 501(c)(3) | 1984 | $2 million | $2.4 million | 2025-12 |
| Catskill Mountainkeeper Inc | Livingstn MNR | 501(c)(3) | 2010 | $2 million | $1 million | 2025-06 |
| Nunataks LTD | Scarsdale | 501(c)(3) | 1976 | $1.9 million | $1.5 million | 2025-12 |
| Open Space Alliance for North Brooklyn Inc | Brooklyn | 501(c)(3) | 2006 | $1.9 million | $361,655 | 2024-12 |
| Agricultural Stewardship Association | Greenwich | 501(c)(3) | 1992 | $1.8 million | $5.3 million | 2026-03 |
| Orange County Land Trust | Mountainville | 501(c)(3) | 1994 | $1.8 million | $8.9 million | 2024-12 |
| New York Water Environment Association Inc | Syracuse | 501(c)(3) | 1978 | $1.8 million | $3.4 million | 2025-08 |
| Mid-Hudson Energy Transition Inc | Kingston | 501(c)(3) | 2022 | $1.8 million | $1.6 million | 2024-12 |
| Planet Reimagined Inc | New York | 501(c)(3) | 2023 | $1.7 million | $3.4 million | 2024-12 |
| Earth Matter Ny Inc | New York | 501(c)(3) | 2014 | $1.7 million | $1.6 million | 2025-06 |
| Oceanic Global Foundation | New York | 501(c)(3) | 2018 | $1.7 million | $993,564 | 2024-12 |
| Planting Fields Foundation | Oyster Bay | 501(c)(3) | 1954 | $1.7 million | $30.4 million | 2024-12 |
| Hudson Highlands Land Trust Inc | Garrison | 501(c)(3) | 1994 | $1.7 million | $20.4 million | 2025-09 |
| Years Project Inc | Melville | 501(c)(3) | 2018 | $1.7 million | $3.8 million | 2025-12 |
| Climate Solutions Accelerator of the Genesee-Finger Lakes Region in | Rochester | 501(c)(3) | 2017 | $1.6 million | $440,967 | 2025-06 |
| Hudson River Sloop Clearwater Inc | Beacon | 501(c)(3) | 2023 | $1.6 million | $1.2 million | 2025-11 |
| Ktk-Belt Inc | Manhasset HL | 501(c)(3) | 2015 | $1.6 million | $280,211 | 2024-12 |
| Citizens Campaign Fund for the Environment | Farmingdale | 501(c)(3) | 1994 | $1.6 million | $2.1 million | 2024-12 |
| Environment Next Inc | East Aurora | 501(c)(3) | 2004 | $1.6 million | $33.7 million | 2024-12 |
| Climate Analytics Inc | New York | 501(c)(3) | 2014 | $1.5 million | $619,639 | 2024-12 |
| Project for Public Spaces Inc | Brooklyn | 501(c)(3) | 1975 | $1.5 million | $571,048 | 2025-12 |
| New York City H2o | New York | 501(c)(3) | 2012 | $1.5 million | $564,721 | 2025-12 |
| Lime Hollow Nature Center Inc | Cortland | 501(c)(3) | 1974 | $1.5 million | $2.9 million | 2025-09 |
| New York City and Lower Hudson Valley Clean Communities Inc | New York | 501(c)(3) | 2019 | $1.5 million | $111,555 | 2025-06 |
| The Center for Community Transportation Inc | Ithaca | 501(c)(3) | 2013 | $1.5 million | $869,181 | 2024-12 |
| Friends of the Upper Delaware River | Hancock | 501(c)(3) | 2005 | $1.5 million | $1.1 million | 2024-12 |
| Alley Pond Environmental Center Inc | Douglaston | 501(c)(3) | 1977 | $1.4 million | $2.2 million | 2025-06 |
| Wayne County Regional Land Bank Corporation | Lyons | 501(c)(3) | 2020 | $1.4 million | $3.1 million | 2025-12 |
| Group for the East End Inc | Southold | 501(c)(3) | 1972 | $1.4 million | $2.4 million | 2024-12 |
| Synchronicity Earth USA Inc | New York | 501(c)(3) | 2017 | $1.4 million | $768,162 | 2025-12 |
| Ausable River Association Inc | Wilmington | 501(c)(3) | 1999 | $1.4 million | $765,502 | 2024-12 |
| Seatuck Environmental Association Inc | Islip | 501(c)(3) | 1994 | $1.4 million | $2.4 million | 2024-12 |
| Atmos LTD | New York | 501(c)(3) | 2020 | $1.4 million | $206,538 | 2025-12 |
| Tug Hill Tomorrow Land Trust | Watertown | 501(c)(3) | 1991 | $1.3 million | $4.7 million | 2024-12 |
| New York Agricultural Land Trustinc | Elbridge | 501(c)(3) | 2007 | $1.3 million | $919,234 | 2025-09 |
| South Fork Natural History Society | Bridgehampton | 501(c)(3) | 1994 | $1.3 million | $2 million | 2024-12 |
| Sonnenberg Gardens | Canandaigua | 501(c)(3) | 1970 | $1.3 million | $4.7 million | 2025-12 |
| Onondaga Earth Corps Inc | Syracuse | 501(c)(3) | 2015 | $1.3 million | $492,296 | 2024-12 |
| Audubon Society of New York State Inc | Troy | 501(c)(3) | 1988 | $1.3 million | $2.9 million | 2025-06 |
| Fund for Park Avenue New York Inc | New York | 501(c)(3) | 1999 | $1.2 million | $4.8 million | 2025-12 |
| Gowanus Canal Conservancy Inc | Brooklyn | 501(c)(3) | 2008 | $1.2 million | $467,223 | 2025-06 |
| Design Trust for Public Space Inc | New York | 501(c)(3) | 1996 | $1.2 million | $1 million | 2024-12 |
| Fabscrap Inc | Brooklyn | 501(c)(3) | 2016 | $1.2 million | $1.6 million | 2024-12 |
| Loren Roots Initiative Inc | New York | 501(c)(3) | 2025 | $1.2 million | $1.1 million | 2024-12 |
| Chautauqua Lake Association Inc | Lakewood | 501(c)(3) | 1954 | $1.2 million | $2.1 million | 2025-12 |
| North Salem Open Land Foundation Inc | North Salem | 501(c)(3) | 1974 | $1.2 million | $20.3 million | 2024-12 |
| Chautauqua Lake and Watershed Management Alliance Inc | Jamestown | 501(c)(3) | 2015 | $1.1 million | $1 million | 2024-12 |
| Chemung County Property Development Corporation | Elmira | 501(c)(3) | 2017 | $1.1 million | $423,522 | 2025-12 |
| Caumsett Foundation Incorporated | Huntington | 501(c)(3) | 1998 | $1.1 million | $5.3 million | 2024-12 |
| Tanglewood Community Nature Center Inc | Elmira | 501(c)(3) | 1974 | $1.1 million | $3.1 million | 2024-12 |
| Cool Earth Action USA Inc | Brooklyn | 501(c)(3) | 2014 | $1.1 million | $3.7 million | 2026-01 |
| Flying Deer Nature Center Inc | East Chatham | 501(c)(3) | 2010 | $1.1 million | $2.1 million | 2025-08 |
| Rainforest Fund Inc | New York | 501(c)(3) | 1993 | $1.1 million | $3.9 million | 2024-12 |
| New York Fund for Conservation Inc | New York | 501(c)(4) | 2016 | $1.1 million | $59,280 | 2025-06 |
| Manitoga Inc | Garrison | 501(c)(3) | 1984 | $1.1 million | $4.6 million | 2025-12 |
| Atlantic Marine Conservation Society LTD | Hampton Bays | 501(c)(3) | 2017 | $1.1 million | $507,620 | 2025-12 |
| Tri-State Transportation Campaign | New York | 501(c)(3) | 1995 | $1.1 million | $1.2 million | 2024-06 |
| Beyond Initiative Inc | Brooklyn | 501(c)(3) | 2024 | $1 million | $1 million | 2025-12 |
| Rockaway Waterfront Alliance Inc | Far Rockaway | 501(c)(3) | 2007 | $1 million | $3.2 million | 2024-12 |
| Chautauqua Watershed Conservancy Inc | Lakewood | 501(c)(3) | 1990 | $1 million | $4.5 million | 2025-12 |
| Climate Innovation Action Inc | New York | 501(c)(4) | 2019 | $1 million | $1.1 million | 2025-12 |
| Make A Change World Inc | New York | 501(c)(3) | 2022 | $988,865 | $1.4 million | 2024-12 |
| Rome Community Brownfield Restoration Corporation | Rome | 501(c)(3) | 2005 | $958,690 | $2.7 million | 2024-12 |
| Bronx Is Blooming | Bronx | 501(c)(3) | 2016 | $955,285 | $746,900 | 2024-12 |
| Cco Services Inc | Spring Valley | 501(c)(3) | 2022 | $952,756 | $417,462 | 2024-12 |
| Watershed Agricultural Conservation Easement Stewardship Endowment Fu | Walton | 501(c)(3) | 2012 | $932,582 | $9.3 million | 2025-06 |
| Trees New York Inc | Rego Park | 501(c)(3) | 1982 | $902,335 | $1.2 million | 2025-03 |
| Ithaca Childrens Garden Inc | Ithaca | 501(c)(3) | 2003 | $887,667 | $394,166 | 2025-12 |
| Otsego Land Trust Inc | Cooperstown | 501(c)(3) | 1989 | $887,291 | $6 million | 2025-03 |
| Buffalo Audubon Society Inc | North Java | 501(c)(3) | 1971 | $879,023 | $3.6 million | 2025-04 |
| Madoo Conservancy Inc | Sagaponack | 501(c)(3) | 2022 | $869,964 | $2.2 million | 2024-12 |
| Bedford 2030 Inc | Bedford Hills | 501(c)(3) | 2010 | $859,829 | $1.3 million | 2024-12 |
| Baltimore Woods Nature Center Inc | Marcellus | 501(c)(3) | 1966 | $857,819 | $2.3 million | 2024-12 |
| Audubon Community Nature Center | Jamestown | 501(c)(3) | 1961 | $842,359 | $3.6 million | 2025-09 |
| Accelerating Circularity Inc | Middletown | 501(c)(3) | 2020 | $835,976 | $2.3 million | 2024-12 |
| Green Vision Ny Inc | Sag Harbor | 501(c)(3) | 2023 | $808,561 | $4,427 | 2024-12 |
| East Hampton Village Foundation | East Hampton | 501(c)(3) | 2021 | $801,092 | $771,167 | 2024-12 |
| Lake Agawam Conservancy Inc | Southampton | 501(c)(3) | 2020 | $770,765 | $913,410 | 2024-12 |
| Grassland Bird Trust Inc | Schuylerville | 501(c)(3) | 2011 | $761,993 | $992,915 | 2025-12 |
| Blue Planet Alliance | New York | 501(c)(3) | 2021 | $760,897 | $107,295 | 2024-12 |
| The Carl Safina Center Inc | East Setauket | 501(c)(3) | 2002 | $756,351 | $2.5 million | 2025-05 |
| North American Passive House Network Inc | New York | 501(c)(3) | 2019 | $756,081 | $175,455 | 2024-12 |
| Environmental Centers of Setauket Smithtown Inc | Smithtown | 501(c)(3) | 1972 | $751,141 | $997,098 | 2025-03 |
| Kingston Land Trust Inc | Kingston | 501(c)(3) | 2010 | $748,005 | $1 million | 2024-12 |
| Fred L Waterman Conservation Education Center Inc | Apalachin | 501(c)(3) | 1977 | $738,538 | $3.3 million | 2024-12 |
| Clean and Healthy New York Inc | Albany | 501(c)(3) | 2011 | $730,996 | $214,242 | 2024-12 |
| Chautauqua Lake Partnership Inc | Bemus Point | 501(c)(3) | 2002 | $722,068 | $662,829 | 2025-12 |
| Three Village Community Trust Inc | Setauket | 501(c)(3) | 2004 | $714,854 | $2.5 million | 2024-12 |
| American Freinds of Canadian Nature Inc | Buffalo | 501(c)(3) | 2005 | $708,001 | $469,751 | 2025-06 |
| The Hudson Carbon Research Foundation Inc | Hudson | 501(c)(3) | 2023 | $695,329 | $525,197 | 2024-12 |
| Ecological Citizens Project Inc | Garrison | 501(c)(3) | 2017 | $683,592 | $613,388 | 2024-12 |
| Newtown Creek Alliance Incorporated | Brooklyn | 501(c)(3) | 2012 | $658,823 | $682,425 | 2024-12 |
| Alliance for Flushing Meadows Corona Park Corporation | Corona | 501(c)(3) | 2021 | $643,264 | $878,846 | 2025-06 |
| Rockland Community Farm Network Inc | New City | 501(c)(3) | 2024 | $639,447 | $193,775 | 2025-12 |
| Otsego County Conservation Association Inc | Cooperstown | 501(c)(3) | 1973 | $625,457 | $433,579 | 2025-12 |
| Quipa Inc | Albany | 501(c)(3) | 2024 | $620,100 | $597,829 | 2023-12 |
| St Bartholomews Conservancy Inc | New York | 501(c)(3) | 1993 | $611,328 | $5.5 million | 2024-12 |
| Radix Ecological Sustainability Center | Albany | 501(c)(3) | 2010 | $603,027 | $968,122 | 2024-12 |
| Long Island Native Plant Initiative | Brentwood | 501(c)(3) | 2012 | $602,337 | $313,888 | 2025-05 |
| Brighter Green Inc | Brooklyn | 501(c)(3) | 2008 | $599,375 | $309,261 | 2024-12 |
| Grassroots Gardens of Buffalo Inc | Buffalo | 501(c)(3) | 1996 | $583,384 | $612,705 | 2025-12 |
| Green Belt Conservancy Inc | Staten Island | 501(c)(3) | 1990 | $583,192 | $1.8 million | 2024-12 |
| The Paint Foundation | New York | 501(c)(3) | 2020 | $583,125 | $3 million | 2025-12 |
| Rockland Agricultural and Farming Center Inc | Monsey | 501(c)(3) | 2019 | $579,504 | $2,470 | 2024-12 |
| South Shore Association of Oneida Lake Inc | Cicero | 501(c)(7) | 1976 | $567,803 | $423,615 | 2026-03 |
| Community Science Institute Inc | Ithaca | 501(c)(3) | 2002 | $561,548 | $177,059 | 2025-12 |
| Pacama A Conservation Collaborative Inc | Olivebridge | 501(c)(3) | 2022 | $554,472 | $1.8 million | 2025-12 |
| Concerned Citizens of Montauk Inc | Montauk | 501(c)(3) | 1981 | $551,518 | $545,351 | 2024-12 |
| Renewable Energy Long Island Inc | Sayville | 501(c)(3) | 2003 | $549,377 | $400,554 | 2024-12 |
| Sustainability Laboratory Inc | New York | 501(c)(3) | 2010 | $546,715 | $323,072 | 2024-12 |
| Sustainable Food Alliance Inc | New York | 501(c)(3) | 2005 | $530,078 | $149,795 | 2025-12 |
| Schoharie Land Trust Inc | Cobleskill | 501(c)(3) | 2014 | $527,092 | $1.3 million | 2024-12 |
| Discover Cayuga Lake Inc | Ithaca | 501(c)(3) | 2020 | $513,021 | $217,895 | 2024-12 |
| Riverfest FPS Inc | Briarcliff | 501(c)(3) | 2023 | $508,707 | $505,680 | 2024-12 |
| New York Federation of Lake Association | Syracuse | 501(c)(3) | 1991 | $487,519 | $725,367 | 2024-12 |
| Save the River Inc | Clayton | 501(c)(3) | 1982 | $483,640 | $1.8 million | 2025-10 |
| The Urban Wild Inc | Bronx | 501(c)(3) | 2021 | $482,230 | $414,940 | 2024-12 |
| Energy Justice Law and Policy Center | New Rochelle | 501(c)(3) | 2022 | $480,126 | $708,792 | 2025-12 |
| Energy Vision | New York | 501(c)(3) | 2007 | $472,730 | $19,483 | 2024-12 |
| Brooklyn Greenway Initative | Brooklyn | 501(c)(3) | 2007 | $466,568 | $149,812 | 2024-12 |
| Sustainable Finger Lakes Inc | Ithaca | 501(c)(3) | 2015 | $466,274 | $181,352 | 2024-12 |
| The Friends of the Robert Moses State Park Nature Center Inc | Massena | 501(c)(3) | 2002 | $466,254 | $413,856 | 2024-12 |
| Protect the Adirondacks Inc | North Creek | 501(c)(3) | 2009 | $465,456 | $1.6 million | 2025-06 |
| Guardians of Flushing Bay | Woodside | 501(c)(3) | 2018 | $463,454 | $743,574 | 2025-12 |
| Earth Day New York Incorporated | Manhattan | 501(c)(3) | 1992 | $462,147 | $643,175 | 2024-12 |
| Cazenovia Preservation Foundation Inc | Cazenovia | 501(c)(3) | 1968 | $462,037 | $1.6 million | 2025-12 |
| Onondaga Environmental Institute Inc | Dewitt | 501(c)(3) | 1994 | $458,814 | $243,997 | 2025-12 |
| Climate Collective Inc | New York | 501(c)(3) | 2024 | $453,873 | $681,980 | 2025-12 |
| Habitatmap Incorporated | Brooklyn | 501(c)(3) | 2007 | $450,941 | $443,471 | 2025-12 |
| Owasco Lake Watershed Management Council Inc | Auburn | 501(c)(3) | 2016 | $447,432 | $471,985 | 2025-12 |
| Rochester Ecology Partners Inc | Rochester | 501(c)(3) | 2021 | $444,787 | $92,436 | 2025-09 |
| Friends of Nassau County Bailey Arboretum | Locust Valley | 501(c)(3) | 1976 | $444,476 | $2.8 million | 2025-12 |
| New York Building Foundation Inc | New York | 501(c)(3) | 1998 | $439,465 | $111,855 | 2025-12 |
| Hudsonia Limited | Annandale | 501(c)(3) | 1987 | $437,751 | $124,885 | 2025-09 |
| Bedford Audubon Society | Katonah | 501(c)(3) | 1991 | $432,254 | $3.8 million | 2025-06 |
| Nassau Land Trust Incorporated | Malverne | 501(c)(3) | 2002 | $428,325 | $907,372 | 2023-12 |
| Woodstock Land Conservancy Inc Gay Leonhardt | Woodstock | 501(c)(3) | 1993 | $418,620 | $2.9 million | 2024-12 |
| Fungi Foundation Inc | New York | 501(c)(3) | 2020 | $407,817 | $82,068 | 2024-12 |
| Seneca Lake Guardian Inc | Watkins Glen | 501(c)(3) | 2018 | $402,266 | $140,791 | 2024-12 |
| Cork Collective Co | New York | 501(c)(3) | 2024 | $400,000 | $81,347 | 2024-12 |
| Black Fiber & Textile Network | Brooklyn | 501(c)(3) | 2025 | $386,739 | $132,164 | 2025-12 |
| St Johns Pond Watershed Alliance in C | Cold SPG HBR | 501(c)(3) | 2025 | $386,380 | $344,453 | 2025-12 |
| National Council On Qualifications for the Lighting Professions Inc | New York | 501(c)(3) | 2014 | $384,957 | $220,125 | 2024-12 |
| Landcraft Garden Foundation Inc | Mattituck | 501(c)(3) | 2019 | $383,271 | $263,742 | 2024-12 |
| City Gardens Club of New York City Incorporated | New York | 501(c)(3) | 1952 | $377,331 | $470,825 | 2025-08 |
| Long Island Conservancy Foundation Inc | Sayville | 501(c)(3) | 2025 | $373,652 | $290,714 | 2025-12 |
| Empire State Forest Products Assoc Inc | Rensselaer | 501(c)(6) | 1966 | $372,788 | $133,762 | 2025-12 |
| Human Impacts Institute Inc | Brooklyn | 501(c)(3) | 2015 | $367,529 | $182,086 | 2025-12 |
| Kings Highway Beautificationassociation Inc | Brooklyn | 501(c)(3) | 2009 | $366,504 | $520,657 | 2025-12 |
| George Landis Arboretum Inc | Esperance | 501(c)(3) | 1967 | $362,670 | $1.7 million | 2024-12 |
| Friends of Rockefeller State Park Preserve | Ossing | 501(c)(3) | 1997 | $358,984 | $841,124 | 2024-12 |
| The Nature of Cities Inc | New York | 501(c)(3) | 2015 | $358,305 | $886 | 2024-12 |
| Frack Action Fund | Highland | 501(c)(3) | 2014 | $354,000 | $77,436 | 2024-12 |
| Greenway Heritage Conservancy HRV Inc | Albany | 501(c)(3) | 2008 | $352,382 | $386,805 | 2026-03 |
| Eden Project USA Inc | New York | 501(c)(3) | 2019 | $348,569 | $872,852 | 2024-12 |
| The Adirondack Forty-Sixers Inc | Plattsburgh | 501(c)(3) | 1993 | $348,503 | $368,063 | 2025-12 |
| Otisco Lake Preservation Association | Marcellus | 501(c)(3) | 2009 | $345,076 | $394,659 | 2025-12 |
| Seneca Lake Pure Waters Association | Geneva | 501(c)(3) | 1991 | $344,615 | $451,388 | 2026-05 |
| Upper Delaware Council Inc | Narrowsburg | 501(c)(3) | 1989 | $343,425 | $242,368 | 2025-09 |
| Saratoga County Foundation Inc | Saratoga SPGS | 501(c)(3) | 2002 | $342,857 | $120,990 | 2024-12 |
| Clean Air Coalition of Western New York Inc | Buffalo | 501(c)(3) | 2010 | $338,710 | $237,334 | 2024-12 |
| Coalition To Save Hempstead Harbor Inc | Sea Cliff | 501(c)(3) | 1988 | $334,705 | $197,051 | 2024-12 |
| Saw Mill River Audubon Society Inc | Chappaqua | 501(c)(3) | 1954 | $326,053 | $1.7 million | 2024-12 |
| Clean Water for Children Inc | Forest Hills | 501(c)(3) | 2016 | $320,364 | $104,578 | 2025-12 |
| BK Rot Inc | Brooklyn | 501(c)(3) | 2015 | $319,398 | $399,574 | 2025-06 |
| Climateyou Alliance Inc | Tarrytown | 501(c)(3) | 2021 | $312,636 | $273,144 | 2024-12 |
| Reef Renewal Foundation International | Larchmont | 501(c)(3) | 2019 | $302,256 | $230,379 | 2024-12 |
| Pine Hollow Arboretum | Slingerlands | 501(c)(3) | 2008 | $301,184 | $1.3 million | 2025-03 |
| Sustainable Hudson Valley Inc | Rhinebeck | 501(c)(3) | 2011 | $300,863 | $31,771 | 2024-12 |
| Akindale Rehabilitation & Land Conservation Fund | Pawling | 501(c)(3) | 2024 | $285,274 | $8 million | 2024-12 |
| Peconic Baykeeper Inc | Hampton Bays | 501(c)(3) | 2001 | $278,735 | $564,369 | 2025-06 |
| Upper Hudson - Northern Catskills Natural Resource Trust Inc | Coxsackie | 501(c)(3) | 2006 | $277,328 | $3.2 million | 2024-12 |
| Climate Jobs Ny Education Fund Inc | New York | 501(c)(3) | 2019 | $276,667 | $428,404 | 2024-12 |
| Putnam County Land Trust | Brewster | 501(c)(3) | 1970 | $276,240 | $7.6 million | 2025-06 |
| Marsb Incorporated | Dryden | 501(c)(3) | 2023 | $275,543 | $304,571 | 2024-12 |
| Cloud Forest Fund | Manhasset HL | 501(c)(3) | 2023 | $270,017 | $1,043 | 2024-12 |
| Source of Synergy Foundation Inc | East Hampton | 501(c)(3) | 2008 | $263,117 | $104,490 | 2025-12 |
| Friends of Reinstein Nature Preserve Inc | Depew | 501(c)(3) | 2004 | $260,891 | $698,391 | 2025-10 |
| Operation Splash Inc | Freeport | 501(c)(3) | 1994 | $260,451 | $672,740 | 2025-12 |
| Elizabeth Street Garden Inc | New York | 501(c)(3) | 2017 | $259,015 | $1.7 million | 2025-12 |
| Eastern Queens Alliance Inc | Jamaica | 501(c)(3) | 2005 | $258,301 | $130,237 | 2024-12 |
| Garnet Lake Conservation Association Inc | Johnsburg | 501(c)(3) | 2018 | $256,761 | $1.5 million | 2025-06 |
| Indian River Lakes Conservancy | Redwood | 501(c)(3) | 1999 | $254,695 | $2 million | 2024-12 |
| Central New York Conservancy | Utica | 501(c)(3) | 2003 | $253,050 | $3.3 million | 2025-12 |
| Land Stewards Inc | Lagrangeville | 501(c)(3) | 2025 | $249,653 | $6,969 | 2025-12 |
| Friends of Five Rivers Inc | Delmar | 501(c)(3) | 1973 | $247,744 | $435,085 | 2025-06 |
| Transformers Foundation Inc | New York | 501(c)(3) | 2019 | $246,889 | $140,242 | 2024-12 |
| New York Greengrass Association Inc | Latham | 501(c)(3) | 1994 | $244,791 | $463,438 | 2025-12 |
| Hudson River Watershed Alliance Inc | Kingston | 501(c)(3) | 2012 | $243,904 | $97,180 | 2025-12 |
| New Suffolk Waterfront Fund Inc | New Suffolk | 501(c)(3) | 2006 | $243,350 | $3.5 million | 2024-12 |
| Village Committee for the Jefferson Market Area Inc | New York | 501(c)(3) | 1975 | $241,188 | $261,044 | 2024-12 |
| Shinnecock Kelp Farmers Incorporated | Southampton | 501(c)(3) | 2024 | $239,935 | $402,398 | 2024-12 |
| Grassroots Environmental Education Inc | PRT Washingtn | 501(c)(3) | 2001 | $236,850 | $496,883 | 2024-12 |
| North American Association of Synagogue Executives | New York | 501(c)(6) | 1999 | $236,268 | $337,440 | 2025-06 |
| Ashokan Foundation Inc | Olivebridge | 501(c)(3) | 2010 | $235,788 | $8.8 million | 2024-12 |
| Climate Mobilization Project Inc | New York | 501(c)(3) | 2016 | $228,737 | $71,112 | 2024-12 |
| Forest Park Trust Inc | Woodhaven | 501(c)(3) | 1997 | $225,226 | $314,973 | 2025-06 |
| Fishers Island Conservancy Inc | Fishers Isle | 501(c)(3) | 1985 | $225,047 | $1.6 million | 2024-12 |
| Rewild Long Island Incorporated | PRT Washingtn | 501(c)(3) | 2020 | $220,764 | $109,965 | 2024-12 |
| Friends of Connetquot Inc | Oakdale | 501(c)(3) | 1997 | $220,659 | $315,143 | 2025-12 |
| Keuka Lake Association Inc | Penn Yan | 501(c)(3) | 2003 | $216,757 | $488,414 | 2025-12 |
| Gari Group Inc | New York | 501(c)(3) | 2019 | $215,650 | $29,360 | 2025-12 |
| Chautauqua Lake Fishing Association Inc | Celoron | 501(c)(3) | 2008 | $212,439 | $1.2 million | 2025-12 |
| Boquet River Association Inc | Willsboro | 501(c)(3) | 2025 | $211,497 | $60,278 | 2025-12 |
| One Earth Conservation | Hollis Hills | 501(c)(3) | 2017 | $210,887 | $129,334 | 2025-12 |
| City Island Oyster Reef Inc | Bronx | 501(c)(3) | 2019 | $208,109 | $171,478 | 2025-12 |
| Orleans Land Restorationcorporation | Albion | 501(c)(3) | 2007 | $207,591 | $1.6 million | 2025-12 |
| Time and the Valleys Museum | Grahamsville | 501(c)(3) | 2005 | $207,497 | $868,753 | 2024-12 |
| Conservation Awareness Foundation Inc | Poughkeepsie | 501(c)(3) | 2002 | $207,430 | $30,748 | 2025-12 |
| Keep Rockland Beautiful Inc | New City | 501(c)(3) | 1997 | $202,946 | $196,048 | 2024-12 |
| Atlantic States Legal Foundation Inc | Syracuse | 501(c)(3) | 1983 | $201,277 | $254,487 | 2025-09 |
| Global Network for Energy and Environment Inc | New York | 501(c)(3) | 2013 | $199,673 | $334,881 | 2025-12 |
| Cayuga Lake Watershed Network | Trumansburg | 501(c)(3) | 1999 | $198,768 | $222,550 | 2025-12 |
| New York State Urban and Community Forestry Council | Albany | 501(c)(3) | 1999 | $196,904 | $88,125 | 2025-12 |
| Fanny Dwight Clark Memorial Garden Inc | Albertson | 501(c)(3) | 1993 | $196,219 | $1.2 million | 2024-12 |
| American Chestnut Restoration Inc | Laurens | 501(c)(3) | 1991 | $191,344 | $161,326 | 2025-12 |
| Cherry Creek Sno-Goers Inc | Cassadaga | 501(c)(3) | 2019 | $191,177 | $496,124 | 2024-12 |
| Friends of Duane Park Inc | New York | 501(c)(3) | 1995 | $182,369 | $547,438 | 2025-12 |
| Lake George Battlefield Park Fort George Alliance | Lake George | 501(c)(3) | 2002 | $181,146 | $146,731 | 2026-03 |
| Amagansett Village Improvement Society | Amagansett | 501(c)(3) | 1959 | $177,945 | $653,635 | 2025-12 |
| Hutchinson River Restoration Project | Bronx | 501(c)(3) | 2009 | $175,948 | $115,014 | 2025-12 |
| Smithtown Hunt Inc | Manorville | 501(c)(3) | 2000 | $174,165 | $167,819 | 2025-04 |
| Babylon Beautification Society Inc | Babylon | 501(c)(4) | 1983 | $172,357 | $184,747 | 2024-12 |
| Residents for A More Beautiful Port Washington Inc | PRT Washingtn | 501(c)(3) | 1971 | $171,739 | $236,234 | 2025-12 |
| Deer Valley Sportsmans Club Inc | Warrensburg | 501(c)(3) | 2023 | $170,916 | $250,467 | 2025-12 |
| Erie Cattaraugus Rail Trail Inc | Orchard Park | 501(c)(3) | 2009 | $169,802 | $585,414 | 2025-12 |
| Torrey Botanical Society Inc | Bronx | 501(c)(3) | 1950 | $169,568 | $1 million | 2025-12 |
| Paul F Brandwein Institute Inc | Port Jervis | 501(c)(3) | 2000 | $167,550 | $646,193 | 2024-12 |
| Friends of Frank J Ludovico Sculpture Trail Corporation | Seneca Falls | 501(c)(3) | 1997 | $166,513 | $58,062 | 2025-09 |
| Planting Change Foundation | Brooklyn | 501(c)(3) | 2020 | $166,355 | $92,673 | 2024-12 |
| Floresta Project Inc | Phoenicia | 501(c)(3) | 2009 | $164,989 | $21,741 | 2025-12 |
| Hudson Park Childrens Greenhouse Inc | New Rochelle | 501(c)(3) | 2016 | $163,889 | $140,438 | 2025-12 |
| Sheldrake Environmental Center Inc | Larchmont | 501(c)(3) | 1974 | $158,663 | $170,694 | 2025-06 |
| Federated Garden Clubs of New York State Inc | Albany | 501(c)(3) | 2006 | $154,583 | $388,242 | 2025-02 |
| Genesee Waterways Center Inc | Rochester | 501(c)(3) | 1996 | $152,138 | $98,938 | 2025-12 |
| Center for Post Carbon Logistics | Kingston | 501(c)(3) | 2024 | $151,109 | $121,081 | 2025-12 |
| Ridgetop Lakes Conservancy Inc | Wurtsboro | 501(c)(3) | 2019 | $150,365 | $168,927 | 2025-12 |
| Dutchess County-Poughkeepsie Land Bank Corporation | Poughkeepsie | 501(c)(3) | 2022 | $150,000 | $148,678 | 2021-12 |
| New York State Conservation Council Inc | Albany | 501(c)(3) | 1944 | $149,670 | $1 | 2025-12 |
| Kinderhook Lake Corporation | Niverville | 501(c)(3) | 2021 | $149,127 | $577,437 | 2025-12 |
| Friends of the Orange County Arboretum Inc | Montgomery | 501(c)(3) | 1998 | $148,113 | $260,321 | 2026-03 |
| New Dorp District Management Association Inc | Staten Island | 501(c)(3) | 2019 | $145,684 | $78,226 | 2025-06 |
| Friends of Bellport Bay Inc | Bellport | 501(c)(3) | 2017 | $145,242 | $94,759 | 2024-12 |
| Sodus Bay Improvement Association East Shore | Wolcott | 501(c)(4) | 2015 | $144,293 | $365,894 | 2024-12 |
| Bedford Garden Club | Bedford | 501(c)(3) | 1991 | $142,738 | $187,484 | 2025-05 |
| Citizen Coalition for Wildlife and Environment Inc | Grand Island | 501(c)(3) | 2018 | $142,725 | $97,962 | 2024-12 |
| Genesee Riverwatch Inc | Henrietta | 501(c)(3) | 1974 | $142,634 | $92,280 | 2024-12 |
| Renewables Global Inc | New York | 501(c)(3) | 2024 | $140,810 | $359,949 | 2025-12 |
| Lewisboro Land Trust Inc | South Salem | 501(c)(3) | 2014 | $140,301 | $3.5 million | 2025-12 |
| Shoot for the Stars Foundation Inc | Brooklyn | 501(c)(3) | 2024 | $138,342 | $194,410 | 2024-12 |
| Prospect Park South Charitable Trust | Brooklyn | 501(c)(3) | 2014 | $135,952 | $67,819 | 2025-02 |
| Nature Health Global Inc | Tallman | 501(c)(3) | 2025 | $135,740 | $30,302 | 2025-12 |
| Rose Garden Restoration Committee | Schenectady | 501(c)(3) | 2000 | $135,686 | $867,841 | 2025-12 |
| Fruition Community Seed Farm | Naples | 501(c)(3) | 2024 | $135,447 | $300,270 | 2025-12 |
| Copake Lake Conservation Society Inc | Craryville | 501(c)(3) | 1991 | $135,120 | $269,280 | 2024-12 |
| Nature Wisdom Foundation | Bearsville | 501(c)(3) | 2025 | $135,082 | $11,047 | 2025-03 |
| Ocean Beach Community Fund Inc | Ocean Beach | 501(c)(3) | 1980 | $134,699 | $433,501 | 2024-12 |
| Albany Waterway | Albany | 501(c)(3) | 2024 | $134,598 | $58,459 | 2025-12 |
| Great Swamp Conservancy Inc | Canastota | 501(c)(3) | 1998 | $134,410 | $1 million | 2025-12 |
| New York Conservation Officers Association Inc | Accord | 501(c)(3) | 1988 | $133,113 | $407,214 | 2024-12 |
| Brant Lake Foundation Inc | Brant Lake | 501(c)(3) | 2005 | $129,159 | $362,036 | 2025-12 |
| Friends of the Chemung River Watershed | Elmira | 501(c)(3) | 2009 | $128,980 | $242,359 | 2024-12 |
| Mecox Bay Conservancy Inc | Water Mill | 501(c)(3) | 2024 | $127,547 | $1.2 million | 2025-12 |
| Millbrook Garden Club Inc | Millerton | 501(c)(3) | 2001 | $126,718 | $185,978 | 2025-06 |
| Ai Sustainable Development Group Inc | Massapequa | 501(c)(3) | 2022 | $126,051 | $39,375 | 2025-12 |
| Syracuse Parks Conservancy Inc | Syracuse | 501(c)(3) | 2010 | $125,554 | $105,511 | 2024-12 |
| Beaverkill Valley Land Trust | Livingstn MNR | 501(c)(3) | 2019 | $124,786 | $2.8 million | 2024-12 |
| Deepwater Experiential Education Project Inc | Westport | 501(c)(3) | 2003 | $124,785 | $731,876 | 2025-12 |
| Liminal SP Inc | New York | 501(c)(3) | 2021 | $123,991 | $4,415 | 2025-12 |
| Hendrick Hudson Fish and Game | Wynantskill | 501(c)(3) | 2019 | $123,503 | $330,805 | 2025-12 |
| Bloomfield Conservancy Inc | Staten Island | 501(c)(3) | 1998 | $122,079 | $618,731 | 2024-12 |
| American Friends of the Botanics Foundation Inc | Brooklyn | 501(c)(3) | 2023 | $120,853 | $48,797 | 2026-03 |
| North Country Garden Club of L I Inc | Locust Valley | 501(c)(3) | 1960 | $117,734 | $380,154 | 2025-06 |
| Pop Movement Inc | New York | 501(c)(3) | 2016 | $117,379 | $1.2 million | 2024-12 |
| Buffalo Niagara River Land Trust Inc | Buffalo | 501(c)(3) | 2014 | $117,165 | $274,312 | 2025-12 |
| Environmental Leaders of Color Inc | Mount Vernon | 501(c)(3) | 2022 | $117,148 | $1,541 | 2024-12 |
| Wise Tropics Inc | East Setauket | 501(c)(3) | 2019 | $116,811 | $53,471 | 2025-12 |
| Cazenovia Lake Association Inc | Cazenovia | 501(c)(3) | 1983 | $115,278 | $302,220 | 2025-12 |
| Times Up Inc | New York | 501(c)(3) | 1999 | $113,726 | $224,762 | 2024-12 |
| Global LPG Partnership Inc | Rye Brook | 501(c)(3) | 2015 | $111,010 | $103,077 | 2024-12 |
| Friends of Bogardus Plaza Inc | New York | 501(c)(3) | 2011 | $110,876 | $236,833 | 2025-06 |
| Home Earth Alliance Inc | Delmar | 501(c)(3) | 2023 | $110,599 | $48,669 | 2025-12 |
| Climate Change Resources | New York | 501(c)(3) | 2020 | $110,519 | $62,570 | 2024-12 |
| New Square Kosher Certification Inc | Spring Valley | 501(c)(3) | 1993 | $109,767 | $1.9 million | 2024-12 |
| Findley Lake Watershed Foundation | Findley Lake | 501(c)(3) | 2006 | $106,879 | $185,410 | 2025-12 |
| Energy 21 LTD | Tully | 501(c)(3) | 2015 | $106,256 | $10,124 | 2025-12 |
| United Solar Energy Supporters Inc | Saratoga Springs | 501(c)(3) | 2016 | $105,723 | $84,204 | 2021-12 |
| Mastic Beach Conservancy Corp | Mastic Beach | 501(c)(3) | 2021 | $105,241 | $194,129 | 2025-12 |
| Garden Club of East Hampton Inc | East Hampton | 501(c)(3) | 1999 | $104,881 | $169,860 | 2025-09 |
| International Alliance of Violin and Bow Makers for Endangered Spec | Huntington | 501(c)(3) | 2022 | $104,787 | $21,207 | 2025-12 |
| Rusticus Garden Club Inc | Bedford | 501(c)(3) | 1991 | $104,473 | $178,736 | 2026-06 |
| Nurturing Justice Inc | New York | 501(c)(3) | 2021 | $104,369 | $45,512 | 2025-12 |
| Fluvanna Conservancy Trust | Kennedy | 501(c)(3) | 2021 | $104,318 | $15,624 | 2025-12 |
| Friends of the Sterling Nature Center Inc | Sterling | 501(c)(3) | 1998 | $103,474 | $181,751 | 2025-12 |
| Monroe Community Hospital Auxiliary | Rochester | 501(c)(3) | 1992 | $103,106 | $487,432 | 2025-12 |
| The Green Belt Movement International-North America | Brooklyn | 501(c)(3) | 1993 | $101,360 | $742,217 | 2024-12 |
| Sustainable Saratoga | Saratoga SPGS | 501(c)(3) | 2011 | $100,929 | $214,240 | 2024-12 |
| Eco Agents Inc | New York | 501(c)(3) | 2014 | $100,006 | $493,380 | 2025-12 |
| Mountain View Lakes Foundation Inc | Owls Head | 501(c)(3) | 2009 | $99,371 | $598,432 | 2025-12 |
| West 11TH Street Block Association Inc | New York | 501(c)(3) | 2025 | $99,143 | $61,757 | 2025-12 |
| The Long Island Pine Barrens Society | Wading River | 501(c)(3) | 1986 | $99,097 | $123,570 | 2024-12 |
| Carbon Forestry Trust Inc | Rochester | 501(c)(3) | 2022 | $98,809 | $716,180 | 2024-12 |
| Columbia Association of the Department of Sanitation Inc | New York | 501(c)(4) | 2023 | $98,785 | $28,690 | 2025-12 |
| Us Green Building Council Long Island Chapter Inc | Melville | 501(c)(3) | 2008 | $98,780 | $34,659 | 2024-12 |
| Moriches Bay Project Inc | Westhampton | 501(c)(3) | 2016 | $97,414 | $52,069 | 2025-12 |
| Narrows Botanical Gardens Inc | Brooklyn | 501(c)(3) | 1997 | $96,922 | $73,766 | 2025-12 |
| Ridge Riders Snowmobile Club Inc | Whitney Point | 501(c)(3) | 2018 | $96,423 | $437,833 | 2026-03 |
| Highland Park Conservancy Inc | Rochester | 501(c)(3) | 2005 | $96,242 | $1.4 million | 2024-12 |
| White Haven Preservation Foundation Inc | Pittsford | 501(c)(3) | 2013 | $96,117 | $451,235 | 2026-06 |
| New York Forest Owners Association Inc | Naples | 501(c)(3) | 1998 | $95,452 | $88,578 | 2025-12 |
| Rising Earth Human Impact Education Inc | Brooklyn | 501(c)(3) | 2017 | $95,000 | $127,445 | 2024-12 |
| Northern Forest Atlas Foundation Inc | Ray Brook | 501(c)(3) | 2014 | $94,234 | $177,352 | 2024-12 |
| Beazers Garden Urban Environmental Education Services I | Bronx | 501(c)(3) | 2023 | $94,151 | $149,228 | 2025-08 |
| Jackson Heights Beautification Group LTD | Jackson HTS | 501(c)(3) | 1989 | $93,479 | $87,684 | 2025-12 |
| Western New York Nurserymens Association Foundation Inc | East Amherst | 501(c)(3) | 1969 | $92,862 | $611,316 | 2024-12 |
| Chateaugay Lake Foundation Inc | Lyon Mountain | 501(c)(3) | 2008 | $92,780 | $169,135 | 2025-12 |
| Peakpower Li | Southampton | 501(c)(3) | 2016 | $92,603 | $51,360 | 2024-12 |
| Capital District Community Energy Inc | Albany | 501(c)(3) | 2023 | $92,113 | $59,921 | 2025-12 |
| More Gardens Fund | New York | 501(c)(3) | 2004 | $91,957 | $5,472 | 2024-12 |
| New York Fibershed Inc | Putnam Valley | 501(c)(3) | 2025 | $91,575 | $54,631 | 2025-12 |
| Earth Mentoring Institute Inc | Cherry Valley | 501(c)(3) | 2001 | $91,147 | $1 | 2025-12 |
| Run Wild Inc | Wallkill | 501(c)(3) | 2020 | $90,331 | $65,118 | 2025-12 |
| New York State Outdoor Education Association Inc | Chelsea | 501(c)(3) | 1974 | $89,184 | $284,471 | 2024-12 |
| Square Valley Trail Blazers Inc | Central SQ | 501(c)(3) | 2016 | $89,024 | $157,470 | 2025-12 |
| Chenango Greenway Conservancy Inc | Norwich | 501(c)(3) | 2007 | $88,849 | $388,125 | 2025-12 |
| Hudson Valley Trust Inc | Patterson | 501(c)(3) | 1997 | $88,646 | $1.5 million | 2025-12 |
| Keep Islip Clean Inc | Islip | 501(c)(3) | 1994 | $86,589 | $72,033 | 2025-12 |
| Rise Outside | Wallkill | 501(c)(3) | 2021 | $84,300 | $32,972 | 2024-12 |
| Clean Communities of Western New Yo RK Inc | Clarence | 501(c)(3) | 2026 | $83,976 | $221,956 | 2025-09 |
| Can You Dig It Inc | Buffalo | 501(c)(3) | 2003 | $83,896 | $81,436 | 2025-12 |
| Jefferson Historical Society | Jefferson | 501(c)(3) | 2013 | $83,666 | $133,262 | 2025-12 |
| New York Green Inc | Batavia | 501(c)(3) | 2014 | $83,555 | $24,082 | 2025-12 |
| Flint Park Conservancy Limited | Larchmont | 501(c)(3) | 2001 | $83,518 | $11,335 | 2024-12 |
| New York Geothermal Foundation Inc | West Seneca | 501(c)(3) | 2015 | $82,794 | $811,759 | 2025-12 |
| Protect the Highlands | Cold Spring | 501(c)(3) | 2023 | $81,915 | $43,086 | 2024-12 |
| Akwesasne Task Force On the Environment Inc | Hogansburg | 501(c)(3) | 1995 | $81,875 | $203,644 | 2025-12 |
| North Fork Environmental Council Inc | Mattituck | 501(c)(3) | 1988 | $80,945 | $122,942 | 2025-12 |
| Niagara County Brownfield Development Corporation | Sanborn | 501(c)(3) | 2010 | $80,708 | $2.4 million | 2025-09 |
| Lorton Lake Association Inc | Hamlin | 501(c)(3) | 2022 | $79,776 | $194,819 | 2025-12 |
| Maynard Volunteer Fire Department | Marcy | 501(c)(3) | 2014 | $78,809 | $276,100 | 2025-12 |
| Climate Science Education Project Incorporated | St James | 501(c)(3) | 2021 | $77,957 | $9,815 | 2025-12 |
| School at Kerbers Farm Inc | Huntington | 501(c)(3) | 2026 | $77,545 | $1 | 2025-12 |
| Tioughnioga Lake Preservation | Deruyter | 501(c)(3) | 2012 | $77,545 | $422,360 | 2025-12 |
| Greater Niagara Pro Am Inc | Newfane | 501(c)(4) | 2016 | $77,102 | $4,232 | 2025-12 |
| El Triunfo Conservation Foundation | Delmar | 501(c)(3) | 2020 | $76,690 | $1.5 million | 2025-09 |
| Hudson Sloop Club Inc | Hudson | 501(c)(3) | 2015 | $76,685 | $229,461 | 2025-12 |
| Upper Delaware Scenic Byway Inc | Narrowsburg | 501(c)(3) | 2004 | $76,336 | $109,151 | 2024-12 |
| Friends of the Great Swamp | Pawling | 501(c)(3) | 1997 | $76,070 | $996,979 | 2024-12 |
| Rondout-Esopus Land Conservancy Inc | Accord | 501(c)(3) | 1988 | $75,146 | $1.6 million | 2025-06 |
| Gooseneck Hill Waterfowl Farm Inc | Delevan | 501(c)(3) | 2001 | $74,302 | $64,645 | 2025-12 |
| Friends of the Nature Center Inc | Wellesley Is | 501(c)(3) | 1981 | $74,081 | $207,335 | 2024-12 |
| Southeast Queens Residents Environmental Justice Coalition | Jamaica | 501(c)(3) | 2024 | $74,060 | $53,974 | 2025-12 |
| Buffalo Lakeside Commerce Park Property Owners Association Inc | Buffalo | 501(c)(4) | 2019 | $73,542 | $21,588 | 2025-12 |
| South Fork Land Foundation Inc | Sagaponack | 501(c)(3) | 1974 | $73,521 | $7 million | 2025-08 |
| Boondockers Sno-Club | Tupper Lake | 501(c)(3) | 2021 | $72,184 | $109,026 | 2025-12 |
| Paradox Lake Association Inc | Severance | 501(c)(3) | 2012 | $71,782 | $90,806 | 2025-12 |
| Canadarago Lake Improvement Association Inc | Richfld SPGS | 501(c)(3) | 2014 | $71,745 | $156,800 | 2025-12 |
| Aprodeca | Yonkers | 501(c)(3) | 2014 | $67,793 | $55,450 | 2025-12 |
| Friends of Czech Greenways Inc | Brooklyn | 501(c)(3) | 1995 | $67,119 | $600,337 | 2025-12 |
| Southampton Garden Club | Southampton | 501(c)(3) | 1993 | $66,885 | $602,493 | 2025-06 |
| Northeast Mycological Federation in C | New York | 501(c)(3) | 2026 | $66,638 | $1 | 2025-12 |
| Neighbors Allied for Good Growth Inc | Brooklyn | 501(c)(3) | 2000 | $66,457 | $76,489 | 2025-12 |
| American Land Rescue Fund Inc | Schuylerville | 501(c)(3) | 2025 | $65,917 | $55,217 | 2025-12 |
| Friends of Buttonhook Forest Inc | Chappaqua | 501(c)(3) | 2022 | $64,656 | $25,310 | 2025-12 |
| Erc Community Warehouse Inc | Melrose | 501(c)(3) | 1997 | $63,443 | $147,359 | 2024-12 |
| Allyns Creek Garden Club Inc | Honeoye Falls | 501(c)(3) | 1964 | $63,109 | $188,490 | 2026-04 |
| Sustainable World Inc | New York | 501(c)(3) | 2017 | $62,670 | $28,527 | 2025-12 |
| Islands First Inc | New York | 501(c)(3) | 2008 | $61,384 | $95,334 | 2024-12 |
| Van Wyck-Lefferts Tide Mill Sanctuary Inc | Huntington | 501(c)(3) | 2013 | $60,852 | $221,773 | 2025-12 |
| Livingkind Inc | Mamaroneck | 501(c)(3) | 2002 | $60,525 | $532,432 | 2025-06 |
| Linwood LTD | Pavilion | 501(c)(3) | 1997 | $60,338 | $287,298 | 2024-12 |
| Future of Mosholu Parkland Inc | Bronx | 501(c)(3) | 2022 | $60,234 | $10,562 | 2024-12 |
| Friends of Mitchell Park Inc | Greenport | 501(c)(3) | 2014 | $60,133 | $973,520 | 2024-12 |
| Global Esg Leadership Association Corp | New York | 501(c)(3) | 2023 | $59,616 | $16,790 | 2025-12 |
| Isham Park Restoration Program 1970 Inc | New York | 501(c)(3) | 2023 | $59,536 | $12,952 | 2025-09 |
| Trees 78 Foundation | New York | 501(c)(3) | 2019 | $59,352 | $91,021 | 2025-12 |
| Loon Lake Homeowners Association | Vermontville | 501(c)(3) | 2019 | $59,351 | $164,884 | 2025-12 |
| Michael Kudish Natural History Preserve Inc | Stamford | 501(c)(3) | 2016 | $59,331 | $49,179 | 2025-12 |
| Global Action Plan for the Earth Inc | West Hurley | 501(c)(3) | 1990 | $58,627 | $24,128 | 2025-06 |
| Historic Hudson Inc | Hudson | 501(c)(3) | 1997 | $58,380 | $0 | 2023-12 |
| The Energy Forum Inc | New York | 501(c)(3) | 2006 | $58,122 | $103,591 | 2025-12 |
| North Shore Audubon Society Inc | PRT Washingtn | 501(c)(3) | 1973 | $58,078 | $149,277 | 2025-06 |
| Clove Valley Foundation Inc | Lagrangeville | 501(c)(3) | 2014 | $57,000 | $202,284 | 2025-12 |
| Magellan Foundation Inc | Latham | 501(c)(3) | 1993 | $56,783 | $198,856 | 2025-06 |
| N Y C Clean Air Campaign Inc | New York | 501(c)(3) | 1973 | $56,681 | $40,691 | 2024-12 |
| Conscience Point Shellfish Hatchery | Southampton | 501(c)(3) | 2014 | $56,643 | $11,504 | 2025-12 |
| Indieclime Inc | New York | 501(c)(3) | 2025 | $56,500 | $19,044 | 2025-12 |
| Saint James Head of the Harbor Neighborhood Preservation Coalitio | Saint James | 501(c)(3) | 2022 | $55,307 | $73,374 | 2024-12 |
| Lot 21 Inc | Jackson HTS | 501(c)(3) | 2023 | $54,842 | $16,790 | 2025-12 |
| New York State Marine Education Association | Brooklyn | 501(c)(3) | 2010 | $54,503 | $198,983 | 2025-06 |
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.