| PTA Tennessee Congress of Parents Teachers IncJohnson City | Form 990-EZ | $53,767FY2026 |
| Legacy Life Care ProgramsColumbia | Form 990-EZ | $53,416FY2025 |
| The Germantown Symphony OrchestraGermantown | Form 990-EZ | $53,342FY2025 |
| Planning District 1 Development CorporationGray | Form 990-EZ | $52,351FY2025 |
| Shoulder to Shoulder with HaitiCleveland | Form 990-EZ | $52,190FY2025 |
| Rocky Hill Parent Teachers Organization IncKnoxville | Form 990-EZ | $51,999FY2025 |
| Little League Baseball IncJohnson City | Form 990-EZ | $51,961FY2025 |
| Phoenix Club IncMemphis | Form 990-EZ | $51,576FY2024 |
| Southern Railway Historical AssociationChattanooga | Form 990-EZ | $50,932FY2025 |
| Sam Houston Elementary Parent Teacher OrganizationMaryville | Form 990-EZ | $50,798FY2026 |
| Colleirville Rotary FoundationCollierville | Form 990-EZ | $50,770FY2025 |
| Mary Walker Historical and Educational Foundation IncChattanooga | Form 990-EZ | $50,155FY2025 |
| PTA Tennessee Congress of Parents & Teachers IncHixson | Form 990-EZ | $50,066FY2025 |
| Campbell County Cancer Association IncJacksboro | Form 990-N | No figure |
| Bledsoes Lick Historical Association IncCastalian Springs | Form 990-N | No figure |
| Algood Activity CenterCookeville | Form 990-N | No figure |
| American Inns of Court FoundationKnoxville | Form 990-N | No figure |
| Memphis Speech & Hearing Center IncMemphis | Form 990-N | No figure |
| Guardian AngelsCleveland | Form 990-N | No figure |
| Mount Carmel Senior Citizens CenterMount Carmel | Form 990-N | No figure |
| Two IncGray | Form 990-N | No figure |
| Gamma Beta Phi SocietyKnoxville | Group return | $42,729FY2022 |
| Tennessee Library AssociationSparta | Form 990-EZ | $42,629FY2026 |
| Columbia Academy FoundationColumbia | Form 990 | $42,450FY2026 |
| Missionaries for Christ IncPigeon Forge | Form 990-N | No figure |
| Building Life Opportunities and Options for MothersJoelton | Form 990-N | No figure |
| Perfect HopeAtoka | Form 990-N | No figure |
| Next Response IncFranklin | Form 990-N | No figure |
| Parent Booster USA IncBartlett | Form 990-EZ | $40,235FY2025 |
| Sweetwater Dixie Youth IncSweetwater | Form 990-N | No figure |
| Signal Mountain LacrosseSignal Mountain | Form 990-N | No figure |
| Little League Baseball IncHartsville | Form 990-EZ | $39,906FY2025 |
| Society of Manufacturing EngineersNashville | Form 990-N | No figure |
| St Joseph Worker FoundationFranklin | Form 990-N | No figure |
| First District Voluntary Fire Department of Johnson CountyLaurel Bloomery | Form 990-N | No figure |
| PTA Tennessee Congress of Parents & Teachers IncJohnson City | Form 990-EZ | $39,195FY2025 |
| Association of Fundraising ProfessionalsMount Juliet | Form 990-N | No figure |
| Parent Booster USA IncEvensville | Form 990-EZ | $38,038FY2025 |
| Parent Booster USA IncKnoxville | Form 990-N | No figure |
| 21st Century Educational FoundationWaverly | Form 990 | $36,609FY2025 |
| International Association of Lions ClubsWoodbury | Form 990-EZ | $35,944FY2025 |
| Chattanooga Music ClubChattanooga | Form 990-N | No figure |
| Jumpstart Coalition for Personal Financial LiteracyNashville | Form 990-N | No figure |
| Parent Booster USA IncFranklin | Form 990-EZ | $33,535FY2026 |
| Karns Band Booster ClubKnoxville | Form 990-EZ | $33,321FY2025 |
| Society of Cosmetic ChemistsEagleville | Form 990-N | No figure |
| Cornersville Action TeamPulaski | Form 990-N | No figure |
| Tennessee Press Association Foundation IncKnoxville | Form 990-N | No figure |
| Parent Booster USA IncOld Hickory | Form 990-EZ | $32,357FY2025 |
| East Clay Volunteer Fire DeptAllons | Form 990-N | No figure |