| Montana Wilderness Association | MT |
| Buffalo Field Campaign | MT |
| Alliance for the Wild Rockies | MT |
| Last Chance Audubon Society | MT |
| Large Carnivore Fund | MT |
| Missouri Botanical Garden | MO |
| Sierra Club, Missouri Chapter | MO |
| Animal Wonders Kansas City | MO |
| Howling for Wolves | MN |
| Minnesota Native Plant Society | MN |
| National Wolfwatcher Coalition | MN |
| Minnesota River Valley Audubon Chapter | MN |
| Save Our Sky Blue Waters | MN |
| Animal and Society Institute | MI |
| Ecology Center of Ann Arbor, Inc. | MI |
| East Michigan Environmental Action Council | MI |
| Michigan Environmental Council | MI |
| Michigan Humane Society | MI |
| Environmental Law Society, University of Michigan | MI |
| West Michigan Environmental Action Council | MI |
| Lone Tree Council | MI |
| Chewonki Foundation | ME |
| Conservation Law Foundation | ME |
| Maine Audubon Society | ME |
| Restore the North Woods | ME |
| VOICE for Animals | ME |
| Wildlife Alliance of Maine | ME |
| Friends of Merrymeeting Bay | ME |
| American Hiking Society | MD |
| Anacostia Watershed Society | MD |
| Episcopal Diocese of Maryland's Committee on the Environment | MD |
| Association of Zoos and Aquariums | MD |
| Born Free | MD |
| Audubon Society of Central Maryland | MD |
| Maryland PIRG | MD |
| Maryland Native Plant Society | MD |
| National Association of People with AIDS | MD |
| Public Employees for Environmental Responsibility | MD |
| Society and Animals Forum | MD |
| The Wildlife Society | MD |
| Wildlife Society | MD |
| Maryland Alliance for Greenway Improvement and Conservation | MD |
| Maryland United for Peace and Justice | MD |
| Southern Maryland Audubon Society | MD |
| Rock Creek Conservancy, Inc. | MD |
| OneNature | MD |
| Earth Action | MA |
| EarthAction | MA |
| Massachusetts Audubon Society | MA |
| Massachusetts Society for the Prevention of Cruelty to Animals | MA |
| New England Wildflower Society | MA |
| Whale Conservation Institute | MA |
| Appalachian Mountain Club | MA |
| Pegasus Foundation | MA |
| Environment Action | MA |
| Berkshire Environmental Action Team (BEAT) | MA |
| Vernal Pool Association | MA |
| Ocean Alliance | MA |
| World Society for the Protection of Animals | MA |
| Zoo New England | MA |
| Cosmic Sister | MA |
| Wildlife Rehabilitators Association of Massachusetts | MA |
| Wolf Hollow | MA |
| Whale and Dolphin Conservation - North America | MA |
| Pelecanus Inc | Long Beach, CA |
| Black Bear Conservation Coalition | LA |
| Gulf Restoration Network | LA |
| Appalachia Science in the Public Interest | KY |
| Bowling Green-Warren County Humane Society | KY |
| Kentucky Heartwood | KY |
| Herpetologists' League | KS |
| Northern Flint Hills Audubon Society | KS |
| Michoacan Reforestation Fund | KS |
| American Society of Mammalogists | KS |
| Heartwood | IN |
| Hoosier Environmental Council | IN |
| Indiana Forest Alliance | IN |
| Cosley Zoo | IL |
| Difference Makers Media | IL |
| Alliance for the Great Lakes | IL |
| Illinois Humane | IL |
| Lutheran School of Theology at Chicago | IL |
| John G. Shedd Aquarium | IL |
| Endangered Small Animal Conservation Fund | IL |
| Environmental Defenders of McHenry County | IL |
| Trout Unlimited (Oak Brook Chapter) | IL |
| Advocates for the West | ID |
| Idaho Conservation League | ID |
| Wolf Recovery Foundation | ID |
| Western Watersheds Project | ID |
| Western Watersheds Project | ID |
| HabitatYou | IA |
| Iowa Wildlife Federation | IA |
| American Reef Coalition | HI |
| Conservation Council for Hawai'i | HI |
| R Mason Fine Arts | HI |
| Atlanta Audubon Society | GA |
| Georgia Native Plant Society | GA |
| Chattooga Conservancy | GA |
| Georgia Highlands College | GA |
