| Bolton Historical SocietyBolton | Form 990-N | No figure |
| New Marlborough Friends of the Library IncMill River | Form 990-N | No figure |
| The Lynnfield Educational Trust IncLynnfield | Form 990-N | No figure |
| Rumford Historical AssociationWoburn | Form 990-N | No figure |
| Sharon High School Ptso Foundation IncSharon | Form 990-N | No figure |
| Society of Phi ZetaNorth Grafton | Form 990-N | No figure |
| Linscott Rumford Elementary School Parent Teacher OrganizationWoburn | Form 990-N | No figure |
| South Boston Columbus Park Youth Sports Collaborative IncBoston | Form 990-N | No figure |
| Alumnae Association of Mount Holyoke College IncSouth Hadley | Form 990-N | No figure |
| Cape Cod Center for the Environment and a Sustainable Economy IncProvincetown | Form 990-N | No figure |
| Chesterfield Fourth of July Association IncWilliamsburg | Form 990-N | No figure |
| Friends of the Conant Public Library IncSterling | Form 990-N | No figure |
| North Shore Amateur Astronomy ClubBoxford | Form 990-N | No figure |
| International Association for Artificial Intelligence & Law IncHarvard | Form 990-N | No figure |
| Blackstone-Millville Food PantryBlackstone | Form 990-N | No figure |
| Wareham Champs IncWest Wareham | Form 990-N | No figure |
| Toastmasters InternationalMarlborough | Form 990-N | No figure |
| Committee for Northampton IncFlorence | Form 990-N | No figure |
| Cape Cod Astronomical FoundationTeaticket | Form 990-N | No figure |
| Weston Interfaith Action Group TRWeston | Form 990-N | No figure |
| American Folk Art SocietyBoston | Form 990-N | No figure |
| Alumnae Association of Mount Holyoke College IncSouth Hadley | Form 990-N | No figure |
| Alumnae Association of Mount Holyoke College IncSouth Hadley | Form 990-N | No figure |
| Alumnae Association of Mount Holyoke College IncSouth Hadley | Form 990-N | No figure |
| Aurigan Scholarship IncSouthfield | Form 990-N | No figure |
| University of MassachusettsPlymouth | Form 990-N | No figure |
| Recreation Association of Hampden IncHampden | Form 990-N | No figure |
| National Society of the Daughters of the American RevolutionPlymouth | Form 990-N | No figure |
| Sweet Adelines InternationalLanesborough | Form 990-N | No figure |
| American Matthay Association IncorporatedActon | Form 990-N | No figure |
| United States Power SquadronsHingham | Form 990-N | No figure |
| Blackstone River Watershed Association IncUxbridge | Form 990-N | No figure |
| Fairs N Squares Dance Club IncFramingham | Form 990-N | No figure |
| Jack Barry Little League IncWorcester | Form 990-N | No figure |
| Toastmasters InternationalAndover | Form 990-N | No figure |
| Toastmasters InternationalMelrose | Form 990-N | No figure |
| Sigma Theta Tau IncChestnut Hill | Form 990-N | No figure |
| Merrimack Valley Philharmonic Society IncHaverhill | Form 990-EZ | $0FY2026 |
| Free Christian SocietyDuxbury | Form 990-N | No figure |
| Psi Chi the International Honor Society in PsychologyMedford | Form 990-N | No figure |
| Lakeville Historical Society IncLakeville | Form 990-N | No figure |
| Little League Baseball IncClinton | Form 990-N | No figure |
| International Order of the Rainbow GirlsRevere | Form 990-N | No figure |
| International Order of the Rainbow GirlsCherry Valley | Form 990-N | No figure |
| International Order of the Rainbow GirlsSwansea | Form 990-N | No figure |
| International Order of the Rainbow GirlsConcord | Form 990-N | No figure |
| French Cable Station Museum in Orleans IncOrleans | Form 990-N | No figure |
| International Order of the Rainbow GirlsRaynham | Form 990-N | No figure |
| Flag Heritage FoundationDanvers | Form 990-N | No figure |
| International Order of the Rainbow GirlsHaverhill | Form 990-N | No figure |