| Wellesley Cooperative Nursery School IncNatick | Form 990 | $488,192FY2025 |
| Walkboston IncBoston | Form 990 | $487,825FY2024 |
| Oceanic Research Group IncNorth Reading | Form 990 | $487,746FY2026 |
| Friends of the Lincoln Council on Aging IncLincoln | Form 990 | $485,451FY2025 |
| Art Libraries Society of North AmericaWestford | Form 990 | $481,625FY2024 |
| Plumsock Fund IncWoburn | Form 990 | $480,901FY2025 |
| Weymouth Youth Hockey IncEast Weymouth | Form 990 | $480,520FY2025 |
| Talking Information Center IncMarshfield | Form 990 | $480,433FY2025 |
| Westport Historical Society IncWestport | Form 990 | $479,905FY2025 |
| Lexington-Bedford Youth Hockey IncLexington | Form 990 | $474,473FY2025 |
| Junior League of Boston IncorporatedBoston | Form 990 | $466,498FY2025 |
| Brookline Youth Hockey Club IncChestnut Hill | Form 990 | $464,117FY2025 |
| Sherborn Historical SocietySherborn | Form 990 | $461,877FY2025 |
| Newton Youth Hockey IncAuburndale | Form 990 | $461,042FY2025 |
| Ecohealth Network IncCambridge | Form 990 | $460,456FY2024 |
| New England Food Foundation IncWeymouth | Form 990 | $452,328FY2025 |
| Homestead Inc of NantucketNantucket | Form 990 | $448,211FY2025 |
| Northeastern Society of PlasticBeverly | Form 990 | $448,183FY2024 |
| Center for the Study of Public Policy IncorporatedSomerville | Form 990 | $445,608FY2025 |
| The Friends of the J V Fletcher Library IncWestford | Form 990 | $444,832FY2024 |
| Pembroke Youth Hockey IncPembroke | Form 990 | $438,440FY2024 |
| Brookline Multi Service Senior Center CorpBrookline | Form 990 | $435,638FY2025 |
| Association of Fundraising ProfessionalsWaltham | Form 990 | $435,524FY2025 |
| Mariner Youth Soccer Club IncMattapoisett | Form 990 | $433,473FY2025 |
| Nantucket Education Trust IncNantucket | Form 990 | $431,776FY2025 |
| American Council of Academic Plastic SurgeonsBeverly | Form 990 | $431,629FY2024 |
| New Marlborough Land Trust IncSouthfield | Form 990 | $427,955FY2025 |
| Northern Berkshire United Way IncNorth Adams | Form 990 | $425,123FY2025 |
| Harvard Glee Club Alumni IncHanover | Form 990 | $422,836FY2025 |
| Harvard Yearbook Publications IncorporatedCambridge | Form 990 | $419,571FY2025 |
| Friends of the Blue Hills Charitable TrustCanton | Form 990 | $416,615FY2024 |
| International Education Programs IncorporatedMarlborough | Form 990 | $414,518FY2025 |
| Ninth Street Day Nursery IncFall River | Form 990 | $413,255FY2025 |
| Alcoholics Anonymous Central Service CommitteeBoston | Form 990 | $412,077FY2024 |
| Community Day Center of WalthamWaltham | Form 990 | $410,270FY2024 |
| Roxbury Weston Programs IncWeston | Form 990 | $408,981FY2025 |
| Marine Renewable Energy Collaborative of New EnglandMarion | Form 990 | $407,056FY2025 |
| Franklin County Community Meals Program IncGreenfield | Form 990 | $401,708FY2024 |
| Daniel James McCarthy Memorial Fund IncActon | Form 990 | $401,324FY2025 |
| NAMI Cape Cod IncHyannis | Form 990 | $399,982FY2024 |
| MCW Starz EliteSouth Hamilton | Form 990 | $399,847FY2025 |
| Common Purpose IncJamaica Plain | Form 990 | $396,017FY2025 |
| Yarmouth Library AssociationYarmouth Port | Form 990 | $393,578FY2025 |
| Road Runners Club of AmericaDracut | Form 990 | $391,617FY2025 |
| Royall House AssociationMedford | Form 990 | $389,979FY2025 |
| North Central Mass Youth Hockey IncGardner | Form 990 | $388,705FY2026 |
| En Ka Society IncWinchester | Form 990 | $388,497FY2025 |
| E C D C Nursery School IncSherborn | Form 990 | $387,638FY2025 |
| Wondermore IncDedham | Form 990 | $386,952FY2025 |
| Future Farmers of America and Its State Associations & Local ChapterDighton | Form 990 | $381,468FY2025 |