Here are a list of links that may be useful:

American Kennel Club

American Red Cross

Association of Professional Dog Trainers

Community Emergency Response Teams

Fromm Family (Dog Food)

International Association of Canine Professionals

National Association Canine Scent Work

National Center for Homeopathy

Peaceful Pets Aquamation

Pure Vita (Dog Foods)

Schutzhund International Organization

United Schutzhund Clubs of America

United States Canine Scent Sports