If you are dealing with a pet behavior problem, consider first consulting with your veterinarian. Many problems may be due to a treatable medical condition.
Dog Trainers:
Alpha House K9s
Bark Busters
Stone Hollow Dog Training, Inc.
Dog Behavior Issues:
Diamonds in the Ruff
Pet Expertise
Pet Care & Behavior Issues:
Humane Society of the United States
American Society for the Prevention of Cruelty to Animals
Pet Expertise