| Yellow Farmhouse Education CenterStonington | Form 990 | $531,788FY2024 |
| Connecticut Electric Railway Association IncorporatedEast Windsor | Form 990 | $531,162FY2024 |
| Norwalk Symphony SocietyNorwalk | Form 990 | $528,515FY2025 |
| Branford Electric Railway Assoc IncEast Haven | Form 990 | $528,110FY2024 |
| Greens Ledge Light Preservation Society IncRowayton | Form 990 | $520,997FY2025 |
| New England Carousel Museum IncBristol | Form 990 | $507,117FY2025 |
| Lutz Childrens MuseumManchester | Form 990 | $506,254FY2025 |
| WPKN IncorporatedBridgeport | Form 990 | $503,348FY2025 |
| Wesleyan Potters IncorporatedMiddletown | Form 990 | $502,597FY2025 |
| Women and Family Life Center of Guilford IncorporatedGuilford | Form 990 | $502,505FY2025 |
| Polish American Foundation of Connecticut IncNew Britain | Form 990 | $497,788FY2025 |
| Greater Hartford Festival of JazzHartford | Form 990 | $497,564FY2025 |
| Bridgeport Arts & Cultural CouncilBridgeport | Form 990 | $496,604FY2025 |
| Ukrainian Museum and Library of Stamford IncStamford | Form 990 | $494,250FY2024 |
| Embody Dance Organization IncWestport | Form 990 | $492,473FY2023 |
| Voices of Hope IncFarmington | Form 990 | $481,941FY2024 |
| Theatre of Northeastern Connecticut IncPutnam | Form 990 | $481,708FY2025 |
| Project Music Heals Us IncGuilford | Form 990 | $477,966FY2025 |
| Southington Community Cultural Arts IncSouthington | Form 990 | $471,460FY2024 |
| Nutmeg Public Access Television IncFarmington | Form 990 | $468,871FY2024 |
| Rowayton Arts Center IncRowayton | Form 990 | $436,241FY2025 |
| Keney Park Sustainability Project IncWindsor | Form 990 | $420,256FY2024 |
| West Hartford Art League IncWest Hartford | Form 990 | $419,447FY2025 |
| East Lyme Regional Theater Guild IncNiantic | Form 990 | $411,387FY2025 |
| Wilton Historical Society IncorporatedWilton | Form 990 | $409,423FY2025 |
| Salmon Brook Historical Society IncorporatedGranby | Form 990 | $405,765FY2024 |
| French American Museum Exchange IncEssex | Form 990 | $402,616FY2024 |
| Friends of John Slade Ely House of Contemporary ArtNew Haven | Form 990 | $400,746FY2025 |
| American Museum Tort Law IncWinsted | Form 990 | $391,615FY2024 |
| Backcountry Concerts IncGreenwich | Form 990 | $386,745FY2025 |
| Stratford Historical SocietyStratford | Form 990 | $379,925FY2025 |
| Greenwich Choral Society IncGreenwich | Form 990 | $372,629FY2025 |
| Landmark Community TheatreThomaston | Form 990 | $371,900FY2024 |
| Festivals of Meriden IncMeriden | Form 990 | $370,177FY2026 |
| Westville Village Renaissance AllianceNew Haven | Form 990 | $368,738FY2025 |
| Institute for American Indian StudiesWashington | Form 990 | $364,418FY2024 |
| Newtown Childrens Museum IncNewtown | Form 990 | $360,298FY2025 |
| Rome Chamber Music Festival at Villa Aurelia IncNew Canaan | Form 990 | $356,485FY2024 |
| Palestine Museum Us CorporationWoodbridge | Form 990 | $341,026FY2024 |
| Alliance Francaise of Greenwich IncGreenwich | Form 990 | $339,804FY2025 |
| Danbury Railway Museum IncDanbury | Form 990 | $334,997FY2024 |
| The Musical Club of Hartford IncorporatedBloomfield | Form 990 | $334,695FY2026 |
| Uss Groton Sail FoundationGroton | Form 990 | $333,907FY2024 |
| Endangered Language Fund IncNew Haven | Form 990 | $332,942FY2024 |
| Greenwich Arts Council IncGreenwich | Form 990 | $328,339FY2025 |
| Danbury Music Centre IncDanbury | Form 990 | $327,415FY2025 |
| A Broken Umbrella Theatre IncNew Haven | Form 990 | $325,954FY2024 |
| Connecticut Falun Dafa Association IncGlastonbury | Form 990 | $325,557FY2025 |
| Wallingford Public Access Association IncWallingford | Form 990 | $323,459FY2025 |
| City Lights & CompanyBridgeport | Form 990 | $319,661FY2024 |