| National Center for PTSD: Carries out a broad range of activities in research, training, and public information. |
| American Academy of Experts in Traumatic Stress: A multidisciplinary network of professionals who are committed to the advancement of intervention for survivors of trauma. |
| Association for Traumatic Stress Specialists Home Page: An international organization offering three distinct board certifications to individuals engaged in providing services, crisis intervention and response, and treatment to individuals experiencing traumatic stress. |
| ASTSS web site: A forum for the exchange of scientific and clinical information on the prevention and treatment of trauma. |
| Australian Centre for Posttraumatic Mental Health: Trauma related research, training and policy development. |
| Center for Motivation Intervention Studies: A private institution which carries out research, education, and consultation in the area of motivation for behavior change. Uses Prochaska's Stages of Change model for treatment of combat veterans with PTSD. |
| European Society for Traumatic Stress Studies - ESTSS: Home page of the European Society for Traumatic Stress Studies,ESTSS. |
| Gateway to PTSD Information: Gateway to four nonprofit sites that offer PTSD information and resources. |
| Green Cross Projects: International, membership-based, humanitarian assistance organization, non-profit corporation, which responds to emergency situations and disasters upon request. |
| International Society for Traumatic Stress Studies: Organization for the study of psychological trauma. |
| PTSD: For ex-service men or women who have served in Bosnia, Kosavo, Gulf or NI and are ill. Resources, information, and stress warning signs. |
| PTSD Alliance: For consumers and frontline professionals, offers resources on trauma-related causes and risk factors, symptoms, screening and diagnosis, treatment options, support, and links to member organizations. |
| PTSD Help - Guide to VA Benefits: Guide To VA Benefits For Veterans with PTSD. |
| PTSD Support Services: Offers services to organizations wishing to learn more about PSTD. |
| The Awareness Center: International Jewish Coalition Against Sexual Abuse/Assault (JCASA)dedicated to addressing childhood sexual abuse in Jewish communities worldwide. |
| The Traumatology Institute: Brings together health, mental health, and emergency services professionals from a wide array of disciplines to develop research, treatment approaches, and training programs in the field of Traumatology. |
| Trauma Research, Education, And Training Institute: Non-profit organization devoted to increasing psychotherapists' and other trauma workers' abilities to provide effective, ethical treatment for survivors of traumatic life experiences. |
| Traumatic Stress Institute: Organization devoted to treatment, training, and research about psychological trauma and its effects. |
| UK Trauma Group: Information on PTSD (Post Traumatic Stress Disorder) including how to cope with disasters, refugees, Post Traumatic Stress Disorder, rape, torture, other stress, and road accidents. |