| Vascular and Endovascular Surgery SocietySalem | Form 990 | $632,704FY2024 |
| American Surgical Association FoundationBeverly | Form 990 | $631,656FY2024 |
| Charleys Fund IncGreat Barrington | Form 990 | $628,496FY2024 |
| Massachusetts Society for Medical Research IncNorth Chelmsford | Form 990 | $542,709FY2025 |
| Tear Film and Ocular Surface Society IncBoston | Form 990 | $474,008FY2025 |
| The Plastic Surgery Research CouncilBeverly | Form 990 | $454,854FY2024 |
| Cure SPG47 IncSalisbury | Form 990 | $407,507FY2024 |
| JBS Keys to DMD IncDover | Form 990 | $385,051FY2025 |
| Dyslexia Foundation IncBoston | Form 990 | $362,979FY2025 |
| Sophies Hope Foundation IncHopkinton | Form 990 | $346,140FY2025 |
| For Henry Ahc IncBoston | Form 990 | $332,197FY2024 |
| Scleroderma Clinical Trials Consortium IncBoston | Form 990 | $326,433FY2024 |
| American Society for Peripheral NerveBeverly | Form 990 | $316,371FY2024 |
| Society of Surgery of the Alimentary Tract FoundationBeverly | Form 990 | $313,920FY2024 |
| American Physician Scientists Association IncBoxborough | Form 990 | $312,686FY2025 |
| Empower Spinal Cord Injury IncorporatedWaltham | Form 990 | $310,367FY2025 |
| Magic for Maddie IncSouthampton | Form 990 | $303,355FY2025 |
| Autoimmune Neurology Alliance IncNatick | Form 990 | $300,000FY2025 |
| Voices of Hope IncStoneham | Form 990 | $265,246FY2024 |
| Friends of Race Against Dementia IncNewton Highlands | Form 990 | $263,650FY2024 |
| Female Athlete Conference IncNewton | Form 990 | $261,840FY2025 |
| Society of Biomolecular Imaging and InformaticsCambridge | Form 990 | $261,710FY2025 |
| Dennison Charitable Foundation IncLakeville | Form 990 | $256,952FY2025 |
| Nick Strong FoundationFranklin | Form 990 | $245,253FY2025 |
| Human Proteome Organization HupoNewton | Form 990 | $233,025FY2024 |
| Im Still Here Foundation IncLexington | Form 990 | $221,599FY2025 |
| Massachusetts Coalition for the Prevention of Medical Errors IncBurlington | Form 990 | $216,953FY2025 |
| Health Assessment Lab IncHingham | Form 990 | $205,215FY2024 |
| Reo Todesca Memorial Foundation IncWestwood | Form 990-EZ | $192,872FY2023 |
| Skin Cancer Outcomes Consortium IncCambridge | Form 990-EZ | $191,107FY2025 |
| Maddies Promise IncHingham | Form 990 | $180,680FY2025 |
| Lungstrong IncAmesbury | Form 990-EZ | $174,780FY2024 |
| The Pediatric Inflammatory Bowel Disease Foundation IncNewton | Form 990-EZ | $158,456FY2025 |
| Invivo Institute Research Foundation IncGreat Barrington | Form 990-EZ | $152,595FY2025 |
| Upstage Lung Cancer IncBrookline | Form 990-EZ | $150,773FY2024 |
| Sino-American Pharmaceutical Professionals Association-New EnglJamaica Plain | Form 990-EZ | $148,630FY2024 |
| Massachusetts Prostate Cancer Coalition IncBoston | Form 990-EZ | $146,607FY2025 |
| Hyperacusis Research Limited IncMarlboro | Form 990-EZ | $143,049FY2025 |
| International Behavioural and Neural Genetics Society CorporatioWakefield | Form 990-EZ | $129,020FY2025 |
| Oci Healing Research Foundation IncQuincy | Form 990-EZ | $126,600FY2025 |
| Center for Eye Research IncWaltham | Form 990 | $124,309FY2025 |
| Cranberry Cup Charitableassociation IncConcord | Form 990-EZ | $118,423FY2025 |
| Sabrinas Foundation IncNahant | Form 990-EZ | $110,512FY2025 |
| International Society for Heart Research American Section IncBoston | Form 990-EZ | $109,094FY2025 |
| Collagen 6 Research Charity IncWestport | Form 990-EZ | $102,786FY2024 |
| Friends of the Framingham Heart Study IncFramingham | Form 990-EZ | $102,300FY2026 |
| Sona Global LimitedBoston | Form 990-EZ | $101,394FY2025 |
| Research Foundation for the Treatment of Ovarian Cancer IncChestnut Hill | Form 990 | $98,653FY2024 |
| South Shore Action for Hope IncPlymouth | Form 990-EZ | $96,914FY2025 |
| Sand Stew IncWorcester | Form 990-EZ | $95,516FY2023 |