Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| RUN4WATERCastalian Springs | Form 990 | $313,316FY2025 |
| Green Interchange IncNashville | Form 990 | $245,355FY2025 |
| Rural Resources IncorporatedGreeneville | Form 990 | $234,593FY2024 |
| Friends of South Cumberland State ParkMonteagle | Form 990 | $224,177FY2025 |
| Spring Hill Little LeagueSpring Hill | Form 990 | $206,509FY2025 |
| Narrow Ridge CenterWashburn | Form 990 | $189,012FY2024 |
| Black Bear Solar Institute CorporationJohnson City | Form 990 | $180,072FY2025 |
| Little Garden Club of MemphisMemphis | Form 990-EZ | $163,468FY2025 |
| American Friends of Durrell Wildlife Conservation Trust IncMemphis | Form 990-EZ | $157,190FY2024 |
| The Garden Club of NashvilleNashville | Form 990-EZ | $153,758FY2025 |
| Hardwood Forest Foundation IncCollierville | Form 990-EZ | $152,174FY2024 |
| Center for a Holistic EcologyHohenwald | Form 990-EZ | $149,657FY2025 |
| 256 FoundationNashville | Form 990-EZ | $134,718FY2024 |
| Tennessee Federation of Garden Clubs IncKnoxville | Form 990 | $134,331FY2026 |
| Tennessee Urban Forest CouncilNashville | Form 990-EZ | $133,704FY2024 |
| Nashville Tree Conservation CorpsNashville | Form 990 | $128,866FY2025 |
| Friends of Lick CreekNashville | Form 990-EZ | $128,763FY2024 |
| Keep Blount BeautifulAlcoa | Form 990-EZ | $128,165FY2025 |
| Tennessee Naturalist ProgramNashville | Form 990-EZ | $117,702FY2025 |
| Sowing JusticeMemphis | Form 990-EZ | $110,551FY2021 |
| Middle-West Tennessee Clean Fuels CoalitionKnoxville | Form 990-EZ | $109,288FY2025 |
| Horticultural Society of Middle TennesseeNashville | Form 990-EZ | $106,729FY2026 |
| Friends of Seven Islands State Birding Park IncKnoxville | Form 990-EZ | $99,546FY2025 |
| Oak Ridge Environmental Peace AllianceOak Ridge | Form 990-EZ | $98,006FY2025 |
| Short Mt SanctuaryLiberty | Form 990-EZ | $94,945FY2023 |
| Fuqua Head Memorial Event IncSpringfield | Form 990-EZ | $92,489FY2025 |
| Knoxville Garden Club IncKnoxville | Form 990-EZ | $90,115FY2025 |
| Tennessee Weed Science SocietyKnoxville | Form 990-EZ | $79,950FY2025 |
| Garden Club of Lookout MountainLookout Mountain | Form 990-EZ | $72,868FY2025 |
| Smoky Mountains Hiking Club IncorporatedKnoxville | Form 990 | $72,044FY2025 |
| Swan Conservation TrustSummertown | Form 990 | $71,293FY2025 |
| Water for Africa IncFranklin | Form 990-EZ | $70,538FY2025 |
| Cleveland-Bradley Kab IncCleveland | Form 990-EZ | $70,080FY2025 |
| Southeast Tennessee Resource Conservation and Development AssocCleveland | Form 990-EZ | $68,146FY2024 |
| Montgomery County Conservation ClubClarksville | Form 990-EZ | $67,462FY2024 |
| Friends of the Cumberland TrailPikeville | Form 990-EZ | $64,864FY2025 |
| McMinn County High School Band Booster AssociationAthens | Form 990-EZ | $60,945FY2025 |
| Parks & Recreation Foundation of Sevierville IncSevierville | Form 990-EZ | $55,980FY2025 |
| Herb Society of NashvilleNashville | Form 990-EZ | $55,694FY2025 |
| Duck River Conservancy IncNashville | Form 990-EZ | $54,864FY2025 |
| Friends of Warriors Path State Park IncKingsport | Form 990-EZ | $54,012FY2025 |
| Foundation for Environmental Agriculture EducationVonore | Form 990-EZ | $51,060FY2025 |
| Memphis Garden ClubMemphis | Form 990-EZ | $47,795FY2025 |
| Friends of the TrailsCrossville | Form 990-N | No figure |
| Keep Morristown Hamblen BeautifulMorristown | Form 990-N | No figure |
| Blue Ridge Guide AssociationBristol | Form 990-N | No figure |
| Perennial Plant Society ofNashville | Form 990-EZ | $26,150FY2025 |
| Tennessee Off Road ConservationLebanon | Form 990-N | No figure |
| Seeds of Growth IncClarksville | Form 990-N | No figure |
| Five Rivers Resource Conservation and Development AssociationSpringfield | Form 990-N | No figure |
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