| 7 Lakes Alliance |
| Androscoggin Land Trust |
| Appalachian Mountain Club |
| Arundel Conservation Trust |
| Bangor Land Trust |
| Biddeford Pool Land Trust |
| Blandings Park Wildlife Sanctuary |
| Blue Hill Heritage Trust |
| Boothbay Region Land Trust |
| Brewer Land Trust |
| Brunswick-Topsham Land Trust |
| Cape Elizabeth Land Trust |
| Chebeague and Cumberland Land Trust |
| Coastal Mountains Land Trust |
| Coastal Rivers Conservation Trust |
| Crabtree Neck Land Trust |
| Downeast Coastal Conservancy |
| Downeast Lakes Land Trust |
| Downeast Salmon Federation |
| Ecotat Trust |
| Falmouth Land Trust |
| Foothills Land Conservancy |
| Forest Society of Maine |
| Francis Small Heritage Trust, Inc. |
| Freeport Conservation Trust |
| Frenchman Bay Conservancy |
| Friends of Merrymeeting Bay |
| Friends of Wilson Pond Area, Inc. |
| Georges River Land Trust |
| Great Diamond Island Land Preserve |
| Great Pond Mountain Conservation Trust |
| Great Works Regional Land Trust |
| Greater Lovell Land Trust |
| Harpswell Heritage Land Trust |
| High Peaks Alliance |
| Holden Land Trust |
| Island Heritage Trust |
| Islesboro Islands Trust |
| Kennebec Estuary Land Trust |
| Kennebec Land Trust |
| Kennebunk Land Trust |
| Kennebunkport Conservation Trust |
| Kittery Land Trust |
| Landmark Heritage Trust |
| Loon Echo Land Trust |
| Mahoosuc Land Trust |
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| Maine Coast Heritage Trust |
| Midcoast Conservancy |
| Monhegan Associates |
| North Haven Conservation Partners |
| Oceanside Conservation Trust of Casco Bay |
| Orono Land Trust |
| Peaks Island Land Preserve |
| Phippsburg Land Trust |
| Pierce Pond Watershed Trust |
| Pleasant River Wildlife Foundation |
| Portland Trails |
| Presumpscot Regional Land Trust |
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| Rangeley Lakes Heritage Trust |
| Royal River Conservation Trust |
| Saco Valley Land Trust |
| Sanford-Springvale Mousam Way Land Trust |
| Scarborough Land Conservation Trust |
| Sebasticook Regional Land Trust |
| Somerset Woods Trustees |
| South Portland Land Trust |
| Three Rivers Land Trust |
| Upper Saco Valley Land Trust |
| Upper St John River Organization |
| Upper St. John Land Trust |
| Vinalhaven Land Trust |
| Waterboro Land Trust |
| Western Foothills Land Trust |
| Woodie Wheaton Land Trust |
| York Land Trust, Inc. |