| Argentine Society for Psychotrauma: Provides details of training and open access to relevent articles from the Ibero American Journal. Available in English and Spanish. |
| Dissociation Australia: Provides a service to locate a therapist, information on research, training, and dissociative disorders. |
| Psychotraumatology Institute Europe: Aims to foster continuing education, research of chronic traumatization, and dissociative disorders. |
| The European Society for Trauma and Dissociation: Promotes an increase in the knowledge of trauma, dissociation and all disorders related to chronic traumatization. |
| The International Society for the Study of Dissociation: Designed for mental health professionals, this organization is devoted to research, training, and treatment of dissociative disorders. |
| The New England Society for the Treatment of Trauma and Dissociation: Provides resources for professionals interested in dissociative disorders through the organisation of meetings and continual professional development opportunites. |
| UK Society for the Study of Dissociation: The study of this condition and its links with complex trauma, attachment, and PTSD. It describes information on training, conferences and an expanded area for members. |