Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| Environmental Defense Fund IncorporatedNew York | Form 990 | $443,267,772FY2025 |
| Natural Resources Defense Council IncNew York | Form 990 | $248,922,592FY2025 |
| National Audubon Society IncNew York | Form 990 | $197,300,511FY2025 |
| New York Botanical GardenBronx | Form 990 | $124,690,916FY2025 |
| C40 Cities Climate Leadership Group IncNew York | Form 990 | $73,614,205FY2024 |
| Open Space Institute Land Trust IncNew York | Form 990 | $73,114,837FY2024 |
| Allied Climate Partners IncNew York | Form 990 | $66,539,772FY2024 |
| Sustainable Markets FoundationNew York | Form 990 | $47,524,141FY2025 |
| CDP North America IncNew York | Form 990 | $38,707,055FY2025 |
| Brooklyn Botanic Garden CorporationBrooklyn | Form 990 | $36,200,661FY2024 |
| Cary Institute of Ecosystem Studies IncMillbrook | Form 990 | $30,981,844FY2025 |
| Peconic Land Trust IncorporatedSouthampton | Form 990 | $28,088,835FY2024 |
| Catskill Watershed CorporationArkville | Form 990 | $24,852,843FY2025 |
| Council on the Environment IncNew York | Form 990 | $24,139,448FY2025 |
| New York Climate Exchange IncNew York | Form 990 | $21,197,671FY2025 |
| Wetland TrustIthaca | Form 990 | $20,496,049FY2024 |
| Scenic Hudson IncPoughkeepsie | Form 990 | $18,552,461FY2025 |
| Climate Jobs National Resource Center IncNew York | Form 990 | $15,431,100FY2024 |
| We Mean Business Coalition IncNew York | Form 990 | $15,214,542FY2024 |
| Spiral House ParkSaugerties | Form 990 | $14,622,162FY2025 |
| Tenure Facility FundNew York | Form 990 | $14,172,540FY2024 |
| Horticultural Society of New York IncNew York | Form 990 | $14,139,081FY2025 |
| Research Center on Natural Conservation IncHarriman | Form 990 | $13,304,897FY2024 |
| Empire Discovery Institute IncRochester | Form 990 | $13,220,638FY2024 |
| Genesee Valley Conservancy IncGeneseo | Form 990 | $13,004,107FY2025 |
| Buffalo and Erie County Botanical Gardens Society IncBuffalo | Form 990 | $11,572,434FY2025 |
| Riverside Park Conservancy IncNew York | Form 990 | $10,916,117FY2024 |
| West Harlem Environmental Action IncNew York | Form 990 | $10,361,502FY2024 |
| The Finger Lakes Land Trust IncIthaca | Form 990 | $10,034,901FY2025 |
| Friends of Pool IncNew York | Form 990 | $10,018,251FY2024 |
| Safe Water NetworkNew York | Form 990 | $9,062,782FY2024 |
| Madison Square Park Conservancy IncNew York | Form 990 | $8,668,145FY2025 |
| Waterkeeper Alliance IncNew York | Form 990 | $8,517,767FY2025 |
| Only One IncNew York | Form 990 | $8,394,798FY2024 |
| Rainforest Foundation IncBrooklyn | Form 990 | $7,797,512FY2024 |
| Lake George Land Conservancy IncBolton Landing | Form 990 | $7,750,481FY2025 |
| Wave Hill IncorporatedBronx | Form 990 | $7,720,166FY2025 |
| Creo Family Office SyndicateNew York | Form 990 | $7,617,547FY2024 |
| Cec Stuyvesant Cove IncLong Island City | Form 990 | $7,422,585FY2024 |
| The Garden Club of AmericaNew York | Form 990 | $7,369,737FY2025 |
| National Wind Technology ConsortiumAlbany | Form 990 | $7,324,130FY2024 |
| Hudson River Foundation for Science and Environmental Research IncNew York | Form 990 | $6,982,837FY2024 |
| Open Space Institute IncNew York | Form 990 | $6,858,272FY2024 |
| Snug Harbor Cultural Center and Botanical GardenStaten Island | Form 990 | $6,795,392FY2025 |
| Queens Botanical Garden Society IncFlushing | Form 990 | $6,705,072FY2025 |
| Genesee Land Trust IncRochester | Form 990 | $6,297,565FY2025 |
| New York City Outward Bound Center IncLong Island City | Form 990 | $6,024,863FY2025 |
| Columbia Land Conservancy IncChatham | Form 990 | $5,772,501FY2025 |
| Riverkeeper IncOssining | Form 990 | $5,707,926FY2025 |
| Mohonk Preserve IncNew Paltz | Form 990 | $5,607,552FY2025 |
1 to 50 of 1,550