Alcohol and Drug Dependency Services, Inc. Located in Downtown Buffalo, NY. We will be your partner in recovery. Specialized treatment for adults, adolescents, and families. Alcohol and Drug Dependency Services is a private, not-for-profit corporation dedicated to the treatment of alcoholism and substance abuse and has provided treatment in the community of over 20 years. The substance abuse outpatient clinic provides counseling for adults, families and adolescents, ancillary services are available and include parenting classes, childcare, vocational counseling, and job development. The outpatient clinic provides a unique bi-lingual/bicultural program for Spanish speaking individuals.