Assistance Dogs International, Inc. (ADI) is a coalition of nonprofit organizations that train and place Assistance Dogs. The purpose of ADI is to improve the areas of training, placement, and utilization of Assistance Dogs as well as staff and volunteer education.

An Aide for the Disabled, a Companion, and Nice and Furry
By Walecia Konrad, The New York Times
No longer just guides to the blind, service dogs are now helping people with many disabilities, but a well-trained dog can be a heavy cost.