American Humane Association

American Society for Prevention of Cruelty to Animals

Animal Defense League

Animal Legal Defense Fund

Animal People

Animal Protection Institute

animalrightscanada

Animal Welfare Institute

Ark Trust, Inc.

Coalition to Abolish the Fur Trade

Committee to Abolish Sport Hunting

Doris Day Animal League

Earthjustice Legal Defense Fund

Endangered Species Coalition

Friends of Animals

Fund for Animals

Honor and Non-Violence for Animals

Humane Society of the United States

Humane USA PAC

In Defense of Animals

International Fund for Animal Welfare

Last Chance for Animals

Northwest Animal Rights Network

Oregon ProPaws (Protecting our Pets and Wildlife)

People for Animal Rights

People for the Ethical Treatment of Animals (PETA)

Physicians for Social Responsibility

Progressive Animal Welfare Society

Rocky Mountain Animal Defense

Society for Animal Protective Legislation

United Animal Nations

Wildlife Conservation Society