| Garden Club Fedration of Massachusetts IncHingham | Form 990-N | No figure |
| Quaboag Quacumquasit Lake Association IncEast Brookfield | Form 990-N | No figure |
| Friends of Nashawannuck Pond IncEasthampton | Form 990-N | No figure |
| Fosters Pond CorporationAndover | Form 990-N | No figure |
| Minnechaug Land Trust IncHampden | Form 990-N | No figure |
| Massachusetts Chapter of the American Chestnut Foundation CorpUxbridge | Form 990-N | No figure |
| Garden Club Federation of Massacuse TTS IncOsterville | Form 990-N | No figure |
| Milton Garden ClubMilton Village | Form 990-N | No figure |
| Dudley Pond Associates IncWayland | Form 990-N | No figure |
| Southeastern Mass Regional Hazardous Materials Committee IncFoxboro | Form 990-N | No figure |
| Wakullah Street Community Garden IncorporatedBoston | Form 990-N | No figure |
| Falmouth Water Stewards IncFalmouth | Form 990-N | No figure |
| Friends of Ringgold Park IncBoston | Form 990-N | No figure |
| Garden Club Federation of Massachusetts IncWilliamstown | Form 990-N | No figure |
| Charles River Clean Up BoatBoston | Form 990-N | No figure |
| Ocean Arks International IncNorth Falmouth | Form 990-N | No figure |
| Garden Club Federation of Massachusetts IncOnset | Form 990-N | No figure |
| Barnstable County Water Utilities AssociationEast Harwich | Form 990-N | No figure |
| Old Ladies Against Underwater Garbage IncNorth Falmouth | Form 990-N | No figure |
| Southeastern Massachusetts Pine Barrens AlliancePlymouth | Form 990-N | No figure |
| Amesbury Outdoors IncAmesbury | Form 990-N | No figure |
| Becket Land Trust IncBecket | Form 990-N | No figure |
| Cape Cod Salties Foundation IncDennis | Form 990-N | No figure |
| Arboretum Park ConservancyBoston | Form 990-N | No figure |
| Housatonic River Initiative IncLee | Form 990-N | No figure |
| Garden Club Federation of Massachusetts IncNeedham | Form 990-N | No figure |
| Garden Club Federation of Massachusetts IncHaverhill | Form 990-N | No figure |
| Garden Club Federation of Massachusetts IncOrleans | Form 990-N | No figure |
| Somerville Teachers Scholarship Fund IncSomerville | Form 990-N | No figure |
| Pear Square Collaborative IncDorchester | Form 990-N | No figure |
| Lake Winnekeag Associations IncAshburnham | Form 990-N | No figure |
| Recycling Rules IncProvincetown | Form 990-EZ | $12,345FY2025 |
| Friends of Spy Pond ParkEast Arlington | Form 990-N | No figure |
| North Shore Paddlers Network IncReading | Form 990-N | No figure |
| Citizens for the Protection of Waquoit Bay IncWaquoit | Form 990-N | No figure |
| Friends of Adams Farm IncWalpole | Form 990-N | No figure |
| Fox Hill Garden Club IncWellesley | Form 990-N | No figure |
| Save Chebacco Trails & Watershed IncSouth Hamilton | Form 990-N | No figure |
| Fall River Garden ClubFall River | Form 990-N | No figure |
| Healthy Home Healthy Planet IncorporatedMarblehead | Form 990-N | No figure |
| Four Mile Pond Preservation Group IncBoxford | Form 990-N | No figure |
| Victory Garden Crockett FoundationNorth Falmouth | Form 990-N | No figure |
| Halls Creek Preservation Fund IncWest Hyannisport | Form 990-N | No figure |
| Friends of Buttonwood Park IncorporatedNew Bedford | Form 990-N | No figure |
| Farmland Conservancy IncSterling | Form 990-N | No figure |
| Green Rows of Waltham IncWaltham | Form 990-N | No figure |
| Blackstone Headwaters CoalitionWorcester | Form 990-N | No figure |
| Land Preservation Society of Norton IncNorton | Form 990-N | No figure |
| Sterling Land Trust IncSterling | Form 990-N | No figure |
| Lancaster Garden ClubSouth Lancaster | Form 990-N | No figure |