| Ipswich River Community Chorus IncNorth Reading | Form 990-EZ | $53,267FY2025 |
| Friends of the Manchester Library IncManchester | Form 990-EZ | $53,214FY2025 |
| Professional Skaters FoundationPembroke | Form 990 | $53,178FY2025 |
| Barnstable Teen Center IncHyannis | Form 990 | $53,053FY2025 |
| Highland Glee Club of NewtonNewton Centre | Form 990-EZ | $53,053FY2025 |
| Provincetown Jazz Festival IncOrleans | Form 990-EZ | $52,883FY2025 |
| Historic Winslow House Association IncMarshfield | Form 990 | $52,777FY2024 |
| Harwich Police Association IncHarwich | Form 990 | $52,504FY2025 |
| Kennedy Parent Teacher Organization IncBillerica | Form 990-EZ | $52,452FY2026 |
| Concord Rotary Charitable Endowment IncConcord | Form 990 | $52,403FY2025 |
| National Scoliosis Foundation IncStoughton | Form 990-EZ | $52,393FY2023 |
| Weymouth Historical Society General FundWeymouth | Form 990 | $52,160FY2025 |
| Williamstown Historical MuseumWilliamstown | Form 990-EZ | $52,115FY2025 |
| Friends of the Norwell Public Library WM J Leonard Memorial LibrNorwell | Form 990-EZ | $52,084FY2025 |
| Boston Library SocietyBoston | Form 990 | $51,945FY2025 |
| Society of Saint Vincent de Paul in the Archdiocese of BostonCanton | Form 990-EZ | $51,890FY2025 |
| Edward Bellamy Memorial Assoc IncChicopee | Form 990-EZ | $51,726FY2025 |
| Marshfield Council on Aging Boosters IncMarshfield | Form 990-EZ | $51,546FY2024 |
| Pepperell Fourth of July Committee IncPepperell | Form 990-EZ | $51,270FY2024 |
| Exposition Area Alumni Scholarship Fund IncWest Springfield | Form 990-EZ | $51,155FY2024 |
| The Boxford Public Library and the Perley Scholarship Funds IncBoxford | Form 990 | $51,149FY2025 |
| World Unity IncJamaica Plain | Form 990-EZ | $51,144FY2025 |
| Friends of the Winthrop Council on Aging IncWinthrop | Form 990-EZ | $51,015FY2025 |
| The Stratton Players IncFitchburg | Form 990-EZ | $50,895FY2025 |
| Friends of Edgartown Council on AgingEdgartown | Form 990 | $50,803FY2024 |
| Heart & Soil Collective IncLanesborough | Form 990-EZ | $50,800FY2025 |
| Friends of Manchester TreesManchester | Form 990-EZ | $50,398FY2025 |
| Petersham Craft CenterPetersham | Form 990-EZ | $50,353FY2024 |
| St Marys Plaza IncWellesley | Form 990 | $50,128FY2025 |
| Living Independently for Equality IncBrockton | Form 990-EZ | $50,114FY2025 |
| We Love Children Fund IncorporatedFall River | Form 990-EZ | $50,040FY2024 |
| Madison Park Career Tech Foundation IncBoston | Form 990-EZ | $50,000FY2025 |
| Rockport Garden Club IncRockport | Form 990-EZ | $49,748FY2026 |
| The Sixth Amendment Center IncorporatedCambridge | Form 990-N | No figure |
| Greater Boston Track Club IncCambridge | Form 990-EZ | $49,580FY2025 |
| McClosky Institute of Voice IncMaynard | Form 990-N | No figure |
| American Society for Training and DevelopmentCambridge | Form 990-N | No figure |
| Palmer Kickers Soccer Association IncPalmer | Form 990-EZ | $48,929FY2025 |
| Massachusetts Association of Science Teachers IncGoshen | Form 990-N | No figure |
| Westford Historical Society IncWestford | Form 990 | $48,839FY2026 |
| Rotary International Medford Rotary ClubMedford | Form 990-N | No figure |
| Duxbury Boosters Club IncDuxbury | Form 990-EZ | $48,522FY2025 |
| Friends of the Lincoln Library IncLincoln | Form 990-N | No figure |
| Club 24 IncMalden | Form 990-N | No figure |
| Association of Great Neck IncIpswich | Form 990-EZ | $48,073FY2025 |
| Little League Baseball IncPeabody | Form 990-N | No figure |
| Road Runners Club of AmericaWilmington | Form 990-EZ | $47,531FY2025 |
| New England Piano Teachers Association IncRoslindale | Form 990-N | No figure |
| The Friends of the Medfield Memorial Public Library IncMedfield | Form 990-EZ | $47,208FY2025 |
| New England Small Farm Institute IncBelchertown | Form 990-N | No figure |