• International Society for Magnetic Resonance in Medicine A nonprofit professional association devoted to furthering the development and application of magnetic resonance techniques in medicine and biology.

• International Society of Radiology A confederation of more than 50 national radiological societies. Its mission is defined broadly as education in radiology, the advancement of the practice, radiation science and protection.

• Los Angeles Radiological Society A professional society representing most radiologists in the Los Angeles area. Goal is to promote the highest standards of practice in diagnostic radiology and radiation oncology through an active continuing medical education program

• Mammography Compliance Consultants Support entity for independent traveling radiologic technologists emphasis in mammography and a voice for all interested in/affected by breast cancer with links to other sites.

• National Society of Radiology Practitioner Assistants Information regarding the radiology practitioner assistant profession and continuing education meetings.

• New York Roentgen Society A Chapter of the American College of Radiology and New York State Radiological Society that serves diagnostic radiologists, radiation oncologists and members of allied sciences in the New York City region.

• North American Society for Cardiac Imaging An International non-profit professional association dedicated to the advancement cardiovascular imaging and the application of imaging methods to the study of the heart and vascular diseases in both the experimental laboratory and clinical settings.

• Radiological Society of New Jersey A chapter of the American College of Radiology whose members include specialists in diagnostic radiology, radiation oncology, and radiation physics. Web site describes officers, committees, activities, membership, hot topics, links and job opportunities.

• Radiological Society of North America A nonprofit medical society with an international membership. Includes database of funding opportunities, radiology and radioGraphics journals.

• Radiology Business Managers Association Provides information about the RBMA, educational resources, various products and services, and discussion groups for members.

• Radiology Education Foundation A non profit organisation involved in radiology education. (India)

• Rochester Roentgen Ray Society A chapter of the American College of Radiology and New York State Radiological Society that is comprised of radiologists and which promotes the profession and science of radiology. (Rochester, Monroe County, NY)

• Romanian Medical Physicists Association Resources in medical physics with a link to the journals of medical physics.

• Royal Australian and New Zealand College of Radiologists Website promotes the advancement diagnostic radiology, diagnostic medical imaging, and radiation oncology.

• Society and College of Radiographers Represents the professional, educational and workplace interests of radiographers in the UK and overseas.

• Society for Computer Applications in Radiology Advances computer applications and information technology in medical imaging through education and research. It bridges the gap between engineers and scientists who develop the systems and radiologists and technologists who use them.

• Society for Pediatric Radiology This scientific, educational, and professional society provides online training program listings, job listings, links, forum, and more for radiologists performing medical imaging of pediatric patients.

• Society for the Advancement of Women's Imaging Seeks to support residency and fellowship training and sponsor educational and scientific meetings that focus on women's imaging.

• Society of Breast Imaging Newsletter, regulations and practice resources, education, job site and case of the month.

• Society of Cardiovascular and Interventional Radiology A professional society for physicians who specialize in interventional or minimally invasive procedures. (SCIVR name changed to Society of Interventional Radiologists.)