The division of the American Counseling Association that most closely aligns with the interests of a counselor who specializes in working in substance abuse/dependency is

international Association of Addictions and Offender Counselors (IAAOC)

Explanation:

The International Association of Addictions and Offender Counselors (IAAOC) is an organization of professional counselors and other interested individuals who work in the addictions or forensic / criminal justice fields and recommend for the appropriate treatment for such individual or group of individuals.

It is an organization of professional, students, corrections counselors and counselor educators who are concerned with positively impacting the lives of individuals exhibiting addictive and/or criminal behaviors. They are saddled with the responsibility of providing leadership in and advancement of the professions of addiction and offender counseling.

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