- Association to Preserve Cape Cod
- Biodiversity Works
- Cape Cod Commercial Fishermen's Alliance
- Friends of Myles Standish State Forest Native Bird Support
- Harvard Forest
- Hitchcock Center for the Environment
- International Fund for Animal Welfare
- Manomet
- Massachusetts Division of Fisheries and Wildlife
- Massachusetts Humane Society
- Migration Productions
- Nantucket Conservation Foundation
- Nantucket Memorial Airport
- National Marine Life Center
- National Park Service
- Natural Heritage and Endangered Species Program
- New England Coastal Wildlife Alliance (NECWA)
- Northeast Forest and Fire Management
- Orenda Wildlife Trust
- Pegasus Foundation
- Provincetown Center for Coastal Studies
- Roger Williams Park Zoo
- Sierra Club
- Salt Pond Areas Bird Sanctuaries
- Three Bays Preservation, Inc.
- Town of Barnstable Division of Marine and Environmental Affairs
- Town of Nantucket Natural Resources
- Town of Plymouth Department of Marine and Environmental Affairs
- Town of Yarmouth Natural Resources
- Trout Unlimited
- U.S.Fish and Wildlife Service
- Wampanoag Tribe of Gay Head
- Whale and Dolphin Conservation
- Wild Care, Inc.