| Heights IncChestnut Hill | Form 990-N | No figure |
| Friends of the Mashpee Council on Aging IncMashpee | Form 990-N | No figure |
| Springfield Chamber Players IncWaltham | Form 990-N | No figure |
| Sixth Association Properties IncChicopee | Form 990-N | No figure |
| Green Center IncEast Falmouth | Form 990-N | No figure |
| Friends of Lynnfield Senior Citizens IncLynnfield | Form 990-N | No figure |
| National Alliance on Mental Illness Cambridge Middlesex IncWatertown | Form 990-N | No figure |
| New England Poetry Club IncRevere | Form 990-N | No figure |
| Friends of the South Hadley Seniors IncSouth Hadley | Form 990-N | No figure |
| Plymouth Aero Club Incorporated Plymouth AirportPlymouth | Form 990-N | No figure |
| Solar for Them IncKingston | Form 990-EZ | $38,396FY2025 |
| Friends of the Greenfield Public Library Association IncGreenfield | Form 990-N | No figure |
| Fifth Association Properties IncChicopee | Form 990-N | No figure |
| Acton Community Chorus IncActon | Form 990-N | No figure |
| Massachusetts Archaeological Society IncMiddleboro | Form 990-N | No figure |
| American Institute of Graphic ArtsNorwood | Form 990-N | No figure |
| American Marketing Association IncWestborough | Form 990-N | No figure |
| Little League Baseball IncAdams | Form 990-N | No figure |
| Beyond Boundaries Christian Ministries IncHolbrook | Form 990-N | No figure |
| Meeting House Chamber Music Festival IncBrewster | Form 990-N | No figure |
| PTA Massachusetts Parent-Teacher Association IncBelmont | Form 990-N | No figure |
| Framingham Townwide PTO CouncilFramingham | Form 990-N | No figure |
| Hadley Historical Society IncHadley | Form 990-N | No figure |
| Little League Baseball IncWareham | Form 990-N | No figure |
| Friends of Chatham Waterways IncChatham | Form 990-N | No figure |
| Woods Hole Theater Company IncWoods Hole | Form 990-N | No figure |
| Eagle House Supporters IncLunenburg | Form 990-N | No figure |
| Women in Film & Video-New England Chapter IncBoston | Form 990-N | No figure |
| American Council of Engineeringcompanies of Ma Education CorporatiBoston | Form 990-EZ | $36,564FY2025 |
| New England Surgical Society Scholars Foundation IncBeverly | Form 990-N | No figure |
| Tyngsborough Scholarship TRTyngsborough | Form 990-N | No figure |
| New England Sculptors Association IncSomerville | Form 990-N | No figure |
| Flurries Unified All StarsNew Bedford | Form 990-N | No figure |
| Panepirotic Federation of America Canada & AustraliaWestborough | Form 990 | $36,360FY2025 |
| Medical Outcomes Trust IncRockland | Form 990-N | No figure |
| Northborough Historical Society IncNorthborough | Form 990-N | No figure |
| Orange Historical SocietyOrange | Form 990-N | No figure |
| Massachusetts Council on Family Mediation IncSouthborough | Form 990-N | No figure |
| Finlandia Foundation-Boston IncArlington | Form 990-N | No figure |
| PTA Massachusetts Parent-Teacher Association IncSandwich | Form 990-N | No figure |
| Norton Historical Society IncNorton | Form 990-N | No figure |
| Aga Boston ChapterBoston | Form 990-N | No figure |
| Campbell School Parent Teachers OrganizationDracut | Form 990-EZ | $34,683FY2025 |
| Lynn Hispanic Scholarship Fund IncLynn | Form 990-EZ | $34,551FY2024 |
| Friends of Borderland IncNorth Easton | Form 990-EZ | $34,547FY2026 |
| Gaylord Memorial Library AssociationSouth Hadley | Form 990-N | No figure |
| Rahnham Youth Lacrosse League IncRaynham | Form 990-N | No figure |
| Quinebaug Valley Council for the Arts & Humanities IncSouthbridge | Form 990-N | No figure |
| Cambridge Childrens Care Foundation IncWakefield | Form 990-N | No figure |
| Friends of the Brookline Public Library IncBrookline | Form 990-N | No figure |