NIDA's Fourth Annual Constituent Conference, held in late 1997, drew representatives from 47 constituent organizations. Thirty-two organizations attended the first conference in 1994.
- American Academy of Addiction Psychiatry
- American Academy of Child and Adolescent Psychiatry
- American Anthropological Association
- American Bar Association
- American College of Neuropsychopharmacology
- American College of Physicians
- American Foundation for AIDS Research
- American Medical Association
- American Methadone Treatment Association
- American Nurses Association
- American Psychiatric Association
- American Psychological Association
- American Psychological Society
- American Public Health Association
- American Society for Pharmacology and Experimental Therapeutics
- American Society of Addiction Medicine
- Association for Medical Education and Research in Substance Abuse
- Black Psychiatrists of America
- College on Problems of Drug Dependence
- Community Anti-Drug Coalitions of America
- Consortium of Social Science Associations
- Drug Strategies
- Employee Assistance Professionals Association, Inc.
- Entertainment Industries Council, Inc.
- Gay Men's Health Crisis
- Institute for the Advancement of Social Work Research
- Join Together
- Legal Action Center
- National Alliance for the Mentally Ill
- National Alliance of Methadone Advocates
- National Asian and Pacific American Families Against Substance Abuse
- National Association of Alcoholism and Drug Abuse Counselors
- National Association of Drug Court Professionals
- National Association of People With AIDS
- National Association of Social Workers
- National Association of State Alcohol and Drug Abuse Directors
- National Center on Addiction and Substance Abuse at Columbia University
- National Coalition of Hispanic Health and Human Services Organizations
- National Council of La Raza
- National Medical Association
- National Prevention Network
- Operation PAR
- Society for the Advancement of Women's Health Research
- Society for Applied Anthropology
- Society for Prevention Research
- Society for Research in Child Development
- Therapeutic Communities of America