| Maine Sporting Camp Heritage FoundationHampden | Form 990-N | No figure |
| Peaks Environmental Action TeamPeaks Island | Form 990-N | No figure |
| Deering Center Neighborhood AssociationPortland | Form 990-N | No figure |
| Toddy Pond AssociationBlue Hill | Form 990-N | No figure |
| Loon Pond Betterment AssociationActon | Form 990-N | No figure |
| West Harbor Pond Watershed AssociationWest Boothbay Harbor | Form 990-N | No figure |
| Greater Minnehonk Lake AssociationMount Vernon | Form 990-N | No figure |
| International Peace Park Expeditions IncScarborough | Form 990-N | No figure |
| Sheepscot Lake AssociationPalermo | Form 990-N | No figure |
| Maine Master Naturalist ProgramWaldoboro | Form 990-N | No figure |
| Lakes Assocation of Norway Maine IncNorway | Form 990-N | No figure |
| Madawaska Long Lake Property OwnersMadawaska | Form 990-N | No figure |
| Sportsmen IncStockholm | Form 990-N | No figure |
| Alford Lake Lermond Pond AssociationRockport | Form 990-N | No figure |
| Community Lakes AssociationGreenwood | Form 990-N | No figure |
| McGrath Pond-Salmon Lake Association IncOakland | Form 990-N | No figure |
| LCRC Land Conservation CorpDamariscotta | Form 990-N | No figure |
| Brewer Land TrustBrewer | Form 990-N | No figure |
| Repickle ProjectPortland | Form 990-N | No figure |
| North Gorham Pond Invasive Plant Management AssociationGorham | Form 990-N | No figure |
| Sebago Cove Preservation AssociationNaples | Form 990-N | No figure |
| Roarke Regenerative Land ManagementSaco | Form 990-N | No figure |
| National Environmental Training AssociationSouth Portland | Form 990-N | No figure |
| Triceratops GroupPortland | Form 990-N | No figure |
| Clearwater Lake Improvement AssociationFarmington | Form 990-N | No figure |
| Garden Club Federation of Maine IncFarmington | Form 990-N | No figure |
| Bunganut Pond Association IncAlfred | Form 990-N | No figure |
| Blandings Park Wildlife SanctuaryBiddeford | Form 990-N | No figure |
| Torsey Pond AssociationMount Vernon | Form 990-N | No figure |
| Worldview XRCasco | Form 990-N | No figure |
| Poland Garden ClubPoland | Form 990-N | No figure |
| Friends of Shapleigh PondWest Newfield | Form 990-N | No figure |
| Wildwood Marsh ConservancyLeeds | Form 990-N | No figure |
| Free the AndroBrunswick | Form 990-N | No figure |
| Echo Lake Association IncorporatedFalmouth | Form 990-N | No figure |
| Harriman Pond Lake AssociationDedham | Form 990-N | No figure |
| Kennebec River Restoration TrustBrunswick | Form 990-N | No figure |
| Green Lake AssociationHolden | Form 990-N | No figure |
| Cochnewagon Lake Preservation AssociationMonmouth | Form 990-N | No figure |
| Wilderness Guides Outdoor Education FundDresden | Form 990-N | No figure |
| Rock Haven Lake AssociationWest Newfield | Form 990-N | No figure |
| Wildlife Research FoundationCanaan | Form 990-N | No figure |
| Friends of Quimby PondRangeley | Form 990-N | No figure |
| Bangor Greendrinks IncBangor | Form 990-N | No figure |
| Physicians for a National Health ProgramManchester | Form 990-N | No figure |
| Hancock and Sand Ponds AssociationDenmark | Form 990-N | No figure |
| New England Mineral AssociationPoland | Form 990-N | No figure |
| Protect South PortlandSouth Portland | Form 990-N | No figure |
| Saving MaineOwls Head | Form 990-N | No figure |
| Prouts Neck ConservancyScarborough | Form 990-N | No figure |