| Acadia Institute of Oceanography |
| Alford Lake Camp |
| American Computer Experience |
| The Biking Expedition and Earth Expeditions |
| Camp Laurel |
| Camp Nashoba North |
| Camp O-AT-KA, Inc. |
| Camp Waziyatah |
| Camp Wekeela for Boys and Girls |
| Chewonki Foundation, Inc. |
| Gould Academy |
| Hidden Valley Camp |
| Hyde School |
| Interlocken International |
| Kingsley Pines Camp |
| Kippewa For Girls |
| Landmark Volunteers, Inc. |
| Longacre Expeditions |
| Maine College of Art |
| Maine Teen Camp |
| Med-O-Lark Camp |
| OMNI Camp |
| Winona Camp for Boys |