The Down East region boasts 5 universities/colleges, over 25 land trusts, ~15 conservation organizations/institutions, ~6 state and federal government agency offices and four Native American tribes (Passamaquoddy, Penobscot, Maliseet, and Micmac)
Regional Land Trusts
Washington County:
- Downeast Coastal Conservancy
- Downeast Lakes Land Trust
- Downeast Rivers Land Trust
- Forest Society of Maine
- Landmark Heritage Trust
- Maine Audubon
- Maine Coast Heritage Trust
- Maine Farmland Trust
- New England Forestry Foundation, Inc.
- Northeast Wilderness Trust
- Pleasant River Wildlife Foundation
- Small Woodland Owners Association of Maine
- The Nature Conservancy in Maine
- Woodie Wheaton Land Trust
Hancock County
- Blue Hill Heritage Trust
- Conservation Trust of Brooksville, Castine & Penobscot
- Crabtree Neck Land Trust
- Forest Society of Maine
- Frenchman Bay Conservancy
- Great Pond Mountain Conservation Trust
- Island Heritage Trust
- Islesboro Islands Trust
- Maine Audubon
- Maine Coast Heritage Trust
- Maine Farmland Trust
- New England Forestry Foundation, Inc.
- Northeast Wilderness Trust
- Small Woodland Owners Association of Maine
- The Nature Conservancy in Maine
Conservation Organizations
- Acadia National Park
- Beehive Collective
- Downeast Audubon
- Downeast Salmon Federation
- Eastern Maine Conservation Initiative
- Farm to School
- Friends of Acadia
- Friends of Taunton Bay
- Friends of Blue Hill Bay
- Pleasant River Wildlife Foundation
- Resources First Foundation
- Rockweed Coalition
- Tides Institute and Museum of Art
Agencies
- Maine Bureau of Parks and Lands
- Maine Coastal Islands National Wildlife Refuge
- Maine Department of Inland Fisheries and Wildlife
- Maine Department of Marine Resources
- Maine Geological Survey
- Maine Sea Grant
- Moosehorn National Wildlife Refuge
- Natural Resource Conservation Service
- St Croix International Waterway Commission
Academic and Research Institutions
- Cary Institute
- College of the Atlantic
- Harvard Forest, Harvard University
- Maine Institute for Human Genetics & Health
- MDI Biological Lab
- Maine Natural History Observatory
- Penobscot East Resource Center
- Schoodic Education and Research Center Institute
- Sumner Pathways @ Sumner High School
- Tufts University
- University of Maine
- University of Maine at Machias
Philanthropic and Economic Development Institutions
- Elmina B. Sewall Foundation
- Maine Community Foundation
- Sunrise County Economic Council