| Suffield Players IncSuffield | Form 990-EZ | $71,729FY2026 |
| Summer Campership Fund for Meriden and Wallingford IncMeriden | Form 990-EZ | $71,641FY2025 |
| Shelton High School Marching Gaels Parents Association IncShelton | Form 990-EZ | $70,899FY2024 |
| Bethel Softball Association IncBethel | Form 990-EZ | $70,880FY2023 |
| PTSA Connecticut IncSouthport | Form 990-EZ | $70,338FY2025 |
| Cappella Cantorum IncEssex | Form 990-EZ | $70,282FY2025 |
| Southbury Middlebury Scholarship Foundation IncMiddlebury | Form 990-EZ | $70,088FY2026 |
| Federated Garden Clubs of Connecticut IncNorth Haven | Form 990-EZ | $69,513FY2025 |
| New Milford Parent-Teacher Organization IncNew Milford | Form 990 | $69,453FY2025 |
| Wee Burn Caddy Scholarship FundDarien | Form 990-EZ | $68,680FY2024 |
| Schubert Club of Fairfield County IncDarien | Form 990-EZ | $68,631FY2026 |
| Friends of the Avon Free Public Library IncAvon | Form 990-EZ | $68,574FY2025 |
| Wethersfield High School Band BoostersWethersfield | Form 990-EZ | $68,509FY2026 |
| Little League Baseball IncBolton | Form 990-EZ | $68,295FY2025 |
| American Planning AssociationSouth Windsor | Form 990-EZ | $68,228FY2025 |
| Clinton Historical Society IncClinton | Form 990 | $67,728FY2026 |
| General Federation of Womens ClubsDanbury | Form 990-EZ | $67,496FY2026 |
| Little League Baseball IncCollinsville | Form 990-EZ | $66,938FY2025 |
| The Waterbury Chorale IncMiddlebury | Form 990-EZ | $66,557FY2025 |
| Windsor Soccer Club IncWindsor | Form 990-EZ | $66,387FY2025 |
| Little League Baseball IncWindsor | Form 990-EZ | $65,988FY2025 |
| Hamden Land Conservation Trust IncHamden | Form 990 | $65,887FY2024 |
| Southington Rotary TrustSouthington | Form 990-EZ | $65,257FY2025 |
| Sundown Ski Patrol IncNew Hartford | Form 990 | $65,170FY2026 |
| Little League Baseball IncNewington | Form 990-EZ | $65,055FY2025 |
| Parent Teacher Association of Connecticut IncNorwalk | Form 990-EZ | $64,992FY2025 |
| Canton Emergency Fuel Bank Canton Town HallCanton | Form 990-EZ | $63,863FY2026 |
| Racing with Jesus Ministries IncTolland | Form 990 | $63,607FY2025 |
| Torringford Volunteer Fire Department IncTorrington | Form 990-EZ | $63,190FY2025 |
| Federated Garden Clubs of Connecticut IncNorwalk | Form 990-EZ | $62,949FY2025 |
| PTSA Connecticut IncGreenwich | Form 990-EZ | $62,365FY2025 |
| Association of the Woodbury Fire Department IncWoodbury | Form 990-EZ | $62,002FY2025 |
| Weston High School Boosters Club IncWeston | Form 990-EZ | $61,557FY2025 |
| Bristol Symphony Orchestra IncBristol | Form 990-EZ | $61,283FY2025 |
| American Chemical SocietyWindsor | Form 990-EZ | $61,004FY2025 |
| Danbury Volunteer Fire Battalion Nineteen IncDanbury | Form 990-EZ | $60,911FY2024 |
| Hysa IncHarwinton | Form 990-EZ | $60,856FY2025 |
| PTSA Connecticut IncWilton | Form 990-EZ | $60,304FY2025 |
| The Ellington Volunteer Fire Department IncorporatedEllington | Form 990-EZ | $60,208FY2025 |
| Banksville Community House IncGreenwich | Form 990-EZ | $59,976FY2025 |
| Newtown Bridle Lands Association IncNewtown | Form 990-EZ | $59,491FY2025 |
| New Hartford Land Conservation Trust IncNew Hartford | Form 990 | $58,805FY2024 |
| Little League Baseball IncOld Lyme | Form 990-EZ | $58,562FY2025 |
| Little League Baseball IncDayville | Form 990-EZ | $58,338FY2025 |
| Deep River Historical Society IncorporatedDeep River | Form 990-EZ | $58,229FY2024 |
| Little League Baseball IncPutnam | Form 990-EZ | $58,023FY2025 |
| PTSA Connecticut IncWestport | Form 990-EZ | $57,853FY2025 |
| PTSA Connecticut IncGreenwich | Form 990-EZ | $57,007FY2025 |
| Yale University Womens OrganizationNew Haven | Form 990-EZ | $56,872FY2026 |
| Little League Baseball IncThomaston | Form 990-EZ | $56,755FY2025 |