- American Foundation for Suicide Prevention is the leading national not-for-profit organization exclusively dedicated to understanding and preventing suicide through research, education and advocacy, and to reaching out to people with mental disorders and those impacted by suicide.
- Society for the Prevention of Teen Suicide: The mission of the Society for the Prevention of Teen Suicide is to reduce the number of youth suicides and attempted suicides by encouraging overall public awareness through the development and promotion of educational training programs for teens, parents and educators.
- To Write Love on Her Arms is a non-profit movement dedicated to presenting hope and finding help for people struggling with depression, addiction, self-injury and suicide. TWLOHA exists to encourage, inform, inspire and also to invest directly into treatment and recovery.
- The Trevor Project is the leading national organization providing crisis intervention and suicide prevention services to lesbian, gay, bisexual, transgender, and questioning youth.
- National Suicide Prevention Lifeline provides free and confidential emotional support to people in suicidal crisis or emotional distress 24 hours a day, 7 days a week. Since its inception, the Lifeline has engaged in a variety of initiatives to improve crisis services and advance suicide prevention.
- Half of Us, mtvU, and The Jed Foundation want to initiate a public dialogue to raise awareness about the prevalence of mental health issues and connect students to the appropriate resources to get help.
- Center for Disease Control and Prevention is an online governmental resource providing reliable health information on a large variety of topics, including suicide.
- WISQARS Fatal Injury Reports (online form) gathers information about fatal injuries for census purposes and it is hosted by the Center for Disease Control and Prevention.