| Institute for Neurodegenerative Disorders IncNew Haven | Form 990 | $21,955,732FY2024 |
| The Curetivity FoundationDarien | Form 990 | $4,396,120FY2024 |
| Project Purple IncSeymour | Form 990 | $2,996,848FY2024 |
| Orthopaedic Foundation for Active Lifestyles IncStamford | Form 990 | $1,595,536FY2024 |
| TANGO2 Research Foundation IncorporatedHadlyme | Form 990 | $603,857FY2024 |
| Terri Brodeur Breast Cancer Foundation IncNew London | Form 990 | $564,473FY2025 |
| Reflex Sympathetic Dystrophy Syndrome Association RsdsaMilford | Form 990 | $524,103FY2024 |
| Hearts in Harmony FoundationWestport | Form 990 | $506,187FY2024 |
| Friends of the Garvan Institute of Medical ResearchDarien | Form 990 | $501,333FY2024 |
| Foundation for a Cure for Mitochondrial Disease IncCheshire | Form 990 | $368,254FY2024 |
| Connecticut United for Research Excellence IncGroton | Form 990 | $344,203FY2024 |
| Connecticut Challenge IncSouthport | Form 990 | $285,861FY2024 |
| The Walkabout Foundation IncGreenwich | Form 990 | $248,536FY2025 |
| B More IncorporatedGreenwich | Form 990 | $247,950FY2025 |
| Jastreboff Hearing Disorders Foundation IncGuilford | Form 990 | $242,804FY2024 |
| Sound AffectsRidgefield | Form 990 | $242,454FY2024 |
| Sails Up 4 Cancer IncMystic | Form 990-EZ | $168,835FY2025 |
| HIST1H1E Genetic Syndrome Research Foundation IncWestport | Form 990-EZ | $152,633FY2025 |
| Brain Peace Science Foundation IncNew Haven | Form 990-EZ | $104,900FY2025 |
| The Masooli Project IncSimsbury | Form 990-EZ | $101,379FY2024 |
| Driving for a Cure IncSuffield | Form 990-EZ | $67,283FY2023 |
| Kelly Allard Leach Foundation for Children with Spinal Injuries IncKillingworth | Form 990-EZ | $57,981FY2025 |
| Union Street Tavern Trot IncWindsor | Form 990-EZ | $52,378FY2023 |
| Strike 3 FoundationMonroe | Form 990-N | No figure |
| Research in Osteochondritis Dissecans of the Knee IncFarmington | Form 990-N | No figure |
| American Lyme Disease Foundation IncNew Haven | Form 990-N | No figure |
| Kate Foundation for Rett Syndrome Research IncOld Saybrook | Form 990-N | No figure |
| Andrews Army IncNorwalk | Form 990-N | No figure |
| Robert a Welke Cancer Research Foundation IncWestport | Form 990-EZ | $13,697FY2023 |
| Tedmed FoundationStamford | Form 990-N | No figure |
| Mes CaresSandy Hook | Form 990-N | No figure |
| Infectious Diseases Society of New York IncOld Greenwich | Form 990-N | No figure |
| Sportsometry IncFairfield | Form 990-N | No figure |
| American Society for Scleroderma Research IncShelton | Form 990-N | No figure |
| Stephen F Gabriel Memorial FundWaterbury | Form 990-N | No figure |
| Viviana Sofia Gugliotti Foundation IncRocky Hill | Form 990-N | No figure |
| Susan John Memorial Foundation for Cancer CureDanbury | Form 990-N | No figure |
| Re Childrens Project IncDarien | Form 990-N | No figure |
| CSMS-Ipa Charitable Organization IncNorth Haven | Form 990-N | No figure |
| Bellas Legacy IncOld Lyme | Form 990-N | No figure |
| Neurofibromatosis Student AllianceSouth Windsor | Form 990-N | No figure |
| GlobalmededWest Hartford | Form 990-N | No figure |
| Breakthrough Morgellons FoundationFairfield | Form 990-N | No figure |
| Phoenix Project IncBurlington | Form 990-N | No figure |
| Digital Twins for Health Society IncNew Haven | Form 990-N | No figure |
| Ronald a Garrison Foundation IncAshford | Form 990-N | No figure |
| Charitable Oncology Fund IncFairfield | Form 990-N | No figure |
| Innovative Advanced Cancer Research Foundation IncWashington Depot | Form 990-N | No figure |
| Vascular Health Forum IncDarien | Form 990-N | No figure |
| Quilts That Care IncWatertown | Form 990-N | No figure |