| American Association of Zoo Veterinarians | FL |
| Florida Audubon | FL |
| Coastal Plains Institute | FL |
| Conservancy of Southwest Florida | FL |
| Sea Turtle Conservancy | FL |
| Gasparilla Island Conservation | FL |
| Florida Conservation Voters | FL |
| Marine Resources Council | FL |
| Pelican Island Audubon Society | FL |
| Save The Manatee | FL |
| Zoological Association of America | FL |
| Gulf Specimen Marine Lab | FL |
| Key Deer Protection Alliance | FL |
| Key West Wildlife Center | FL |
| 1000 Friends of Florida | FL |
| Delaware Ecumenical Council | DE |
| Delaware Center for Inland Bays | DE |
| American Bird Conservancy | DC |
| Alaska Wilderness League | DC |
| American Humane Association | DC |
| American Rivers | DC |
| Audubon | DC |
| National Audubon Society | DC |
| Animal Welfare Institute | DC |
| Center for Biological Diversity | DC |
| Society for Conservation Biology | DC |
| Marine Fish Conservation Network | DC |
| Creation Justice Ministries | DC |
| Audubon Society of the District of Columbia | DC |
| Defenders of Wildlife | DC |
| Earth Day Network | DC |
| Earthjustice | DC |
| Environmental Defense Fund | DC |
| Environment America | DC |
| Friends of the Earth | DC |
| Humane World Action Fund | DC |
| Humane World for Animals | DC |
| International Fund for Animal Welfare | DC |
| League of Conservation Voters | DC |
| NRDC | DC |
| Oceana | DC |
| Pike Assoc/Born Free USA | DC |
| Physicians for Social Responsibility | DC |
| National Wildlife Refuge Association | DC |
| Sierra Club | DC |
| Wilderness Society | DC |
| Union of Concerned Scientists | DC |
| Church & Society, The United Methodist Church | DC |
| Greenpeace USA | DC |
| Government Accountability Project | DC |
| Wildlands Network | DC |
| World Wildlife Fund | DC |
| Larch Company | DC |
| League of Women Voters of the US | DC |
| Save America's Forests | DC |
| US PIRG | DC |
| DC Natives | DC |
| Connecticut Association of Conservation and Inland Wetlands Commissions | CT |
| Cetacean Society International | CT |
| Friends of Animals | CT |
| Boulder Rights of Nature | CO |
| CU Wildlife Club | CO |
| Earth Guardians | CO |
| Earth Law Center | CO |
| Great Old Broads for Wilderness | CO |
| Naropa University | CO |
| Pandas International | CO |
| People and Pollinators Action Network | CO |
| Rocky Mountain Wild | CO |
| WILD Foundation | CO |
| Wild Farm Alliance | California |
| Shark Stewards | CA |
| A-Team for Wildlife | CA |
| American Cetacean Society | CA |
| Acterra | CA |
| Bay Area Action | CA |
| Apex Protection Project | CA |
| Friends of Ballona Wetlands | CA |
| Butte Environmental Council | CA |
| Butterfly Farms.org | CA |
| California Trout | CA |
| California Wilderness Coalition | CA |
| California Native Plant Society | CA |
| Desert Fishes Council | CA |
| Earth Island Institute | CA |
| World Stewardship Institute | CA |
| Endangered Habitats League | CA |
| Environmental Commons | CA |
| Environmental Defense Center | CA |
| Farallones Marine Sanctuary Association | CA |
| The Fund for Wild Nature | CA |
| Gaviota Coast Conservancy | CA |
| Greenbelt Alliance | CA |
| Heal the Bay | CA |
| Humane Veterinary Medical Alliance | CA |
| International Bird Rescue Research Center | CA |
| In Defense of Animals | CA |
| Bay Area Action | CA |
| John Muir Project of Earth Island Institute | CA |
| One World One Ocean | CA |
