- Alcoholics Anonymous
- American Academy of Child and Adolescent Psychiatry
- American Association of Suicidology
- American Association for Marriage and Family Therapy
- American Foundation for Suicide Prevention (AFSP)
- American Psychoanalytic Association
- American Psychological Association (APA)
- American Psychological Society
- Brain Disorders Network
- Canadian Association for Suicide Prevention
- National Alliance for Research on Schizophrenia and Depression (NARSAD)
- National Alliance for the Mentally Ill
- National Depressive and Manic Depressive Association
- National Foundation for Depressive Illness
- National Institute of Mental Health
- Society for Light Treatment and Biological Rhythms
- Suicide Awareness/Voices of Education (SA/VE)
- The Samaritans

