World Society for the Protection of Animals USA
- WSPA USA is the American branch of the animal welfare group dedicated to raising the standards of animal welfare throughout the world.
- http://www.wspa-usa.org/

Supporting and Promoting Ethics for the Animal Kingdom (SPEAK)
- A national humane education speakers' bureau with links to presenters discussing animal rights and veganism.
- http://www.speakonline.org/

Coalition for Animal Justice
- Non profit organization working for tougher laws against cruelty to animals.
- http://www.animal-justice.org/

World Animal Foundation
- Dedicated to the preservation and protection of the planet and the animals that inhabit it. Middleburg Heights, Ohio.
- http://www.WorldAnimalFoundation.com

American Society for the Prevention of Cruelty to Tiggers
- Information on the care and re-introduction of Tiggers to their natural environment.
- http://home.earthlink.net/~aspct/

N.O.P.A.W.S
- Organization dedicated to the rescue and care of unwanted exotic pets.
- http://reptilerescueman.freeyellow.com/

The Association of Sanctuaries
- Assists sanctuaries across the United States in providing quality rescue and care for displaced animals.
- http://www.taosanctuaries.org/

Last Chance for Animals (LCA)
- Opposes the use of animals for scientific curiosity, entertainment, clothing, and food.
- http://www.lastchanceforanimals.com/

The Institute for Animals and Society
- Think tank for animal rights intended to do independent policy analysis, curriculum development and training, and foster cooperation within the animal advocacy movement and between it and other social justice movements. Kim W. Stallwood, executive directo
- http://www.animalsandsociety.org/

International Society for Animal Rights
- Through education, legislation and direct action, ISAR is working to spread the spay/neuter message as a solution to dog and cat overpopulation. We believe animals have rights that are denied them.
- http://www.isaronline.org/

Friends of Animals
- An international animal rights and protection organization working to abolish animal abuse and to create a compassionate ethic in all relations between animals and people. Connecticut.
- http://friendsofanimals.org/

New England Federation of Humane Societies
- Includes educational resources, training, information, and networking opportunities to support the mission of animal protection organizations.
- http://www.newenglandfed.org/

Association of Veterinarians for Animal Rights
- Veterinarians promoting rights for all animals. Includes papers and publications on many animal welfare issues, membership information and useful links.
- http://www.avar.org/

Eastern Shore Sanctuary and Education Center
- Detailed information about chickens and other farmed animals, and resources concerning the links between animal exploitation and other social problems.
- http://www.bravebirds.org

Humane Society of the United States
- Includes descriptions of public-awareness campaigns, programs, legislation, activist alerts, and educational publications.
- http://www.hsus.org/

Doris Day Animal League
- Information about current campaigns, legislative updates, publications, Animal Guardian magazine, membership and web resources.
- http://www.ddal.org/

Northwest Animal Rights Network
- NARN is the largest grassroots animal activist organization in the northwestern United States, with a focus on educating people about animals, vegetarianism, and the environment in order to move people toward making more compassionate choices.
- http://www.narn.org/

Pets911 Animal and Pet Rescue
- Allows you to search to find lost pets and post a found pet in the USA. Also provides pet adoption information for dogs and cats as well as other related resources.
- http://www.1888pets911.org/

The American Society for the Prevention of Cruelty to Animals (ASPCA)
- Site includes their positions on the use and misuse of animals by humans. Details about their Animal Watch magazine, newsletter, action alerts, pet care tips and merchandise.
- http://www.aspca.org/

The Ark Trust
- Funds activist campaigns which raise awareness in the public about animal rights. "Our primary focus is to promote extensive and positive coverage of animal topics by the major media."
- http://www.arktrust.org/

Animal Protection Institute
- Advocating for the protection of animals from cruelty and exploitation. Issues and advocacy campaigns include animals used in agriculture, entertainment, and science; companion animals, marine life, wildlife and public lands, xenotransplantation and cloni
- http://www.api4animals.org/

In Defense of Animals (IDA)
- National non-profit dedicated to ending institutionalized exploitation and abuse of animals by defending their rights, welfare and habitat.
- http://www.idausa.org/