The American Society for the Prevention of Cruelty to Animals. An independent organization offering national programs in humane education, public awareness, government advocacy, shelter support, animal medical services and placement.
www.aspca.org

The Humane Society of the United States. The organization dedicated to creating a world where our relationship with animals is guided by compassion.
www.hsus.org

Petfinder. A pet adoption database that lets you search by zip code, breed, size, gender or age for adoptable animals and link to local shelters.
www.petfinder.org

Pets911. An independent organization assisting in finding, adopting, and helping pets.
www.pets911.com

Save-A-Pet. An independent non-profit pet adoption charity that helps shelters, humane societies, and pet rescue groups.
www.1-800-save-a-pet.com