| Geer Village Housing & Development CompanyCanaan | Form 990 | $576,193FY2025 |
| Shepard Meadows Equestrian Center IncBristol | Form 990 | $574,919FY2025 |
| Volunteer Fire Department of Prospect IncProspect | Form 990 | $569,408FY2025 |
| Windsor Locks Public Library IncWindsor Locks | Form 990 | $569,048FY2025 |
| Bethany Volunteer Firemans Association IncBethany | Form 990 | $567,993FY2025 |
| Capital Community College Foundation IncHartford | Form 990 | $566,897FY2025 |
| Town Players of New Canaan IncNew Canaan | Form 990 | $562,798FY2025 |
| PTSA Connecticut IncRiverside | Form 990 | $561,184FY2026 |
| National Society of the Daughters of the American RevolutionWindsor | Form 990 | $556,721FY2024 |
| Cornwall Housing CorporationCornwall | Form 990 | $554,597FY2025 |
| P T Barnum Foundation IncBridgeport | Form 990 | $553,499FY2025 |
| Youth & Family Services of Haddam- Killingworth IncHigganum | Form 990 | $538,167FY2025 |
| PTSA Connecticut CongressOld Greenwich | Form 990 | $535,028FY2026 |
| Connecticut Womens Golf AssociationWest Hartford | Form 990 | $530,233FY2024 |
| Stamford Cross Road Residences IncNorth Haven | Form 990 | $525,335FY2025 |
| Casa Otonal IncNew Haven | Form 990 | $525,204FY2024 |
| Wrexham Foundation IncNew Haven | Form 990 | $522,091FY2025 |
| Litchfield Health & Wellness Resources IncLitchfield | Form 990 | $510,542FY2024 |
| Guilford Free Public Library Asso IncGuilford | Form 990 | $500,803FY2025 |
| Intempo Organization IncStamford | Form 990 | $498,569FY2024 |
| Little League Baseball IncGlastonbury | Form 990 | $489,781FY2025 |
| Cathedral Green IncHartford | Form 990 | $487,905FY2025 |
| Old Lyme South End Volunteer Ambulance Associatin IncOld Lyme | Form 990 | $487,393FY2024 |
| Essex Fire Engine Co 1 Special AcctEssex | Form 990 | $486,085FY2025 |
| Amity Charitable Trust FundNew Haven | Form 990 | $484,171FY2024 |
| Southbury Elderly Housing IncSouthbury | Form 990 | $483,232FY2025 |
| Senior Housing Corporation of East Haddam Inc theMoodus | Form 990 | $476,173FY2025 |
| Windsor Library Association Agent for TreasurerWindsor | Form 990 | $475,207FY2025 |
| Woods Edge Housing IncNorth Haven | Form 990 | $472,891FY2025 |
| Marian Work Study CorporationShelton | None required | $468,505FY2025 |
| Lyme Art Assoc IncOld Lyme | Form 990 | $466,715FY2024 |
| National Association of Housing & Redevelopment OfficialsGlastonbury | Form 990 | $463,579FY2024 |
| Hartford County Fire Emergency Plan IncPlainville | Form 990 | $462,308FY2025 |
| West Hartford Extended Experience IIWest Hartford | Form 990 | $461,816FY2025 |
| Wheeler School & Library of North StoningtonNorth Stonington | Form 990 | $461,525FY2026 |
| Connectikids IncHartford | Form 990 | $459,051FY2025 |
| Enfield Loaves & Fishes IncEnfield | Form 990 | $456,960FY2025 |
| Fitch Court Apartments IncWindsor | Form 990 | $454,218FY2024 |
| The Conference of Churches IncHartford | None required | $452,837FY2025 |
| Cornwall Child Center IncWest Cornwall | Form 990 | $451,455FY2025 |
| Greenwich Riding & Trails Association IncGreenwich | Form 990 | $451,261FY2024 |
| Litchfield Hills Rowing Club IncLitchfield | Form 990 | $447,303FY2025 |
| Charter Oak State College Foundation IncNew Britain | Form 990 | $445,773FY2025 |
| Whiffenpoofs of Yale University IncNew Haven | Form 990 | $445,112FY2025 |
| Woodbury Interfaith Elderly Hous Ing CorporationWoodbury | Form 990 | $440,890FY2024 |
| Westport Writers Workshop I IncWestport | Form 990 | $432,696FY2024 |
| Newtown Scholarship Association IncorporatedNewtown | Form 990 | $432,105FY2024 |
| Quinebaug Valley Community College Foundation IncDanielson | Form 990 | $430,344FY2025 |
| House of Heroes IncHamden | Form 990 | $427,525FY2025 |
| Milford Fine Arts Council IncMilford | Form 990 | $426,623FY2025 |