| AAOMR | American Academy of Oral and Maxillofacial Radiology |
| BAR | Bulgarian Association of Radiology |
| BIR | The British Institute of Radiology |
| CEPUR | Collège d'Enseignement Post Universitaire de Radiologie |
| CRS | Czech Radiological Society |
| DGBMT | Deutsche Gesellschaft für Biomedizinische Technik e.V. |
| DRG | Deutsche Röntgengesellschaft |
| EuroPACS | European Association for the Promotion of Information Exchange on PACS Research |
| | European Society of Paediatric Radiology |
| GI | Gesellschaft für Informatik |
| GMDS | Deutsche Gesellschaft für Medizinische Informatik, Biometrie und Epidemiologie e.V. |
| | Hungarian Society for Computer Assisted Radiology |
| IADMFR | The International Association of Dento-Maxillo-Facial Radiology |
| IAPR | International Association for Pattern Recognition |
| IEEE | The Institute of Electrical and Electronics Engineers |
| IMAC | Image Management and Communication |
| IPMI | Information Processing in Medical Imaging |
| JCR | Japanese College of Radiology |
| JRS | Japan Radiological Society |
| NVvR | Nederlandse Vereniging voor Radiologie |
| ÖRG | Österreichische Röntgengesellschaft |
| | Polish Section of the Polish-German Radiological Society |
| RCR | The Royal College of Radiologists |
| SFAUMB | Société Francophone pour l'Application des Ultrasons a la Médécine et a la Biologie |
| SFR | Société Française de Radiologie Médicale |
| SGMR | Schweizerische Gesellschaft für Medizinische Radiologie |
| SIRM | Associazione Italiana di Radiologia Medica |
| | Society for Computer Assisted Radiology, P.R. China |
| SPIE | The International Society for Optical Engineering |
| SRS | Slovak Radiological Society |
| | The Bulgarian Scientific Society of Roentgenology, Radiology and Radiobiology |
| WABT | World Academy for Biomedical Technologies |
| WHO | World Health Organization |