Regional Conservation Groups
Essex County Trail Association
The Trustees of Reservations
Mass Audubon
Essex County Greenbelt Association
New England Forestry Foundation (NEFF)
Coastal Trails Coalition, Inc.
Bay Circuit Trail and Greenway
Great Marsh Coalition

City / Town Conservation Groups
The Andover Trails Committee
The Andover Village Improvement Society
City of Beverly Open Space and Recreation Committee
Boxford Trails Association/Boxford Open Land Trust
Town of Burlington Conservation Areas
Chelmsford Land Conservation Trust
Chelmsford Open Space Stewardship
Town of Dracut Open Space Committee
Hamilton-Wenham Open Land Trust
City of Haverhill Trails Committee
Town of Ipswich Open Space Program
Groundwork Lawrence
Lowell Parks and Conservation Trust
Town of Lynnfield Conservation Areas
Manchester-Essex Conservation Trust
Marblehead Conservancy Inc.
Reading Open Land Trust
The Town of Reading – Trails Committee
Salisbury Coastal Trails
Woburn Residents Environmental Network

Friends Groups
Friends of Belle Isle Marsh
Friends of the Burlington Landlocked Forest
Friends of Breakheart Reservation
Friends of Halibut Point State Park
Friends of Harold Parker State Forest
Friends of Lynn & Nahant Beach
Friends of Lynn Woods
Friends of the Middlesex Fells Reservation
Friends of the Mystic River
Friends of North Andover Trails
Friends of Parker River National Wildlife Refuge
Revere Beach Partnership

Watershed Associations
Eight Towns and the Bay
The Mystic River Watershed Association (MyRWA)
Ipswich River Watershed Association (IRWA)
Merrimack River Watershed Council
Shawsheen River Watershed Association
Parker River Clean Water Assocation
Saugus River Watershed Council
Salem Sound Coastwatch

State Offices
Massachusetts Geological Survey
Massachusetts Office of Coastal Zone Management (CZM)
Department of Conservation and Recreation
Department of Fish and Game

Gulf of Maine
Gulf of Maine Research Institute
Gulf of Maine Council on the Marine Environment
New England Coastal Wildlife Alliance
Northeastern Regional Association of Coastal and Ocean Observing Systems
Gulf of Maine Coastal Program
Gulf of Maine Area Census of Marine Life
Stellwagen Bank National Marine Sanctuary