F. Daniel Jackson

American Medical Association engages in promoting the art and science of medicine and the betterment of public health. It offers services to physicians, residents, medical students, and patients. The company was founded by Nathan Smith Davis in 1847 and is headquartered in Chicago, IL.

The American College of Radiology is a national organization serving radiologists, radiation oncologists, interventional radiologists, and medical physicists with programs focusing on the practice of radiology and the delivery of comprehensive health care services. ACR devotes its programs to make imaging safe, effective, and accessible. The college publishes the journal of the American College of Radiology and the ACR bulletin. It also provides the national accreditation program for mammography. ACR also hosts the ACR career center for radiologists. The College was founded in 1923 and its office is located in Reston, VA.

Radiological Society of North America, Inc. provides health care services through education and research. Its professionals include radiologists, radiation oncologists, medical physicists and allied scientists. The company was founded in 1915 and is headquartered in Oak Brook, IL.

The Imaging Center, Inc. provides radiology and imaging services primarily to a practice group of physicians specializing in radiology. The company was founded in May 1999 and is headquartered in Cumberland, MD.