| Tree of Life Educational Fund IncOld Lyme | Form 990-EZ | $132,792FY2025 |
| St Thomas Day School Foundation IncNew Haven | Form 990 | $132,369FY2025 |
| The Parent Teacher Council of StamfordStamford | Form 990-EZ | $131,897FY2025 |
| American Association of University Administrators IncLitchfield | Form 990-EZ | $129,837FY2025 |
| Chris Mello Scholarship FundWestport | Form 990-EZ | $128,958FY2025 |
| Citizens for a Better Granby IncGranby | Form 990-EZ | $128,420FY2024 |
| New Fairfield Elementary School PTONew Fairfield | Form 990-EZ | $127,674FY2025 |
| Westhill Band Parent Association IncorporatedStamford | Form 990-EZ | $127,190FY2025 |
| Institute for Professional Education IncWestport | Form 990-EZ | $126,500FY2024 |
| Gujarati Association of Connecticut IncNew Haven | Form 990-EZ | $126,143FY2025 |
| Paul Dostie Kare Foundation IncGuilford | Form 990-EZ | $124,492FY2025 |
| Mulligan Concept Teacher AssociationNorth Haven | Form 990-EZ | $124,383FY2024 |
| New London Education Foundation IncNew London | Form 990 | $123,884FY2023 |
| North Haven High School Booster Club IncNorth Haven | Form 990-EZ | $123,857FY2025 |
| Saxe Parent Teacher CouncilNew Canaan | Form 990-EZ | $123,805FY2025 |
| International Students USAHamden | Form 990-EZ | $122,940FY2025 |
| The Matthew Gaffney Foundation IncStamford | Form 990-EZ | $122,604FY2024 |
| Granby Education Foundation IncGranby | Form 990 | $122,269FY2025 |
| Norwalk Public Library FoundationincNorwalk | Form 990 | $122,264FY2025 |
| Re Thalberg Elementary School Parent Teacher OrganizationSouthington | Form 990-EZ | $121,338FY2024 |
| Black Fives FoundationGreenwich | Form 990-EZ | $120,168FY2024 |
| Southeastern Connecticut Chinese School IncEast Lyme | Form 990 | $118,801FY2026 |
| Edgewood PTA Child Care Program IncNew Haven | Form 990-EZ | $118,609FY2025 |
| Parent Booster USA IncWestport | Form 990-EZ | $118,074FY2025 |
| Old Timers Athletic Association of Greenwich Connecticut IncOld Greenwich | Form 990 | $116,344FY2025 |
| Roaring Brook School PTOAvon | Form 990-EZ | $115,761FY2025 |
| Squadron Line School Parent Teacher Organization IncSimsbury | Form 990-EZ | $115,683FY2025 |
| Shelton High School Robotics TeamShelton | Form 990-EZ | $115,560FY2025 |
| Cma Education Foundation IncStamford | Form 990 | $115,326FY2025 |
| Western Connecticut State University Alumni Assoc IncDanbury | Form 990-EZ | $115,069FY2024 |
| Entrepreneurs OrganizationMilldale | Form 990-EZ | $114,255FY2025 |
| Groove Fund IncHartford | Form 990 | $114,069FY2025 |
| Waterbury Main Street IncWaterbury | Form 990 | $113,670FY2025 |
| American College of PhysiciansAvon | Form 990-EZ | $113,488FY2025 |
| 21st Century Fund for HVRHS IncFalls Village | Form 990-EZ | $113,386FY2025 |
| Caad Foundation IncCheshire | Form 990 | $112,912FY2025 |
| Simsbury Gridiron Club IncSimsbury | Form 990-EZ | $111,789FY2025 |
| Back to School Shop IncStamford | Form 990-EZ | $111,082FY2025 |
| Kanithi Global FoundationCheshire | Form 990-EZ | $110,926FY2025 |
| Philippine Science High School International Alumni Foundation inWest Hartford | Form 990-EZ | $110,244FY2025 |
| Parent Booster USA IncWilton | Form 990-EZ | $109,669FY2025 |
| Columbia Business School Club of NY IncGreenwich | Form 990 | $109,548FY2025 |
| Susan Fund IncNorwalk | Form 990-EZ | $109,412FY2024 |
| Wolverine Foundation IncDanbury | Form 990-EZ | $109,351FY2025 |
| East Haddam Free Public LibraryMoodus | Form 990 | $108,792FY2025 |
| The Parent Teacher Council of StamfordStamford | Form 990-EZ | $108,594FY2025 |
| Friends of Glastonbury Rowing IncSouth Glastonbury | Form 990-EZ | $108,199FY2025 |
| Hurlbutt Elementary School PTOWeston | Form 990-EZ | $108,198FY2025 |
| Raymond Library Co Agent for TreasurerEast Hartford | Form 990 | $108,053FY2025 |
| Literacy Center of Milford IncMilford | Form 990-EZ | $107,554FY2025 |