Founded in 1981, the Center for Diagnostic Imaging is a national network of imaging service providers and offers various types of diagnostic imaging, pain management and interventional radiology services. It offers a range of diagnostic examinations and therapeutic procedures in its various outpatient centers. The center provides magnetic resonance imaging, CT scans, positron emission tomography and scanning services. It also offers ultrasounds, mammography, bone density scanning, X-rays and nuclear medicine services. The center is a subsidiary of Onex Corporation, which is one of the largest global operators in the services, manufacturing and technology industries. The Center for Diagnostic Imaging s staff includes anesthesiologists and various radiologists with specialties in neurology, diagnosis, musculoskeletal and other related disciplines. It operates more than 30 physician-led and locally operated centers throughout the United States.