American Dog Trainers Network:

American Kennel Club:

Assistance Dog United Campaign (ADUC):

Assistance Dogs International Inc. (ADI):

Delta Society:

International Association of Assistance Dog Partners (IAADP):

International Society of Canine Cosmetologists:

Power Paws Assistance Dogs:

Psychiatric Service Dog Society (PSDS):

The Land of Pure Gold Foundation:

Please Note: Working Like Dogs (WLD) does not endorse, approve or recommend these sources, and omissions do not in any way indicate bias on the part of WLD. This list is supplied solely as a resource for the reader to investigate and is not intended to be exhaustive nor all-inclusive. Agencies, organizations and suppliers change and form on a continual basis. Please use this list as a starting place for your own research.