FONAR Corporation, together with its subsidiaries, engages in the designing, manufacturing, selling, and servicing of magnetic resonance imaging (MRI) scanners for the detection and diagnosis of human diseases, abnormalities, other medical conditions, and injuries in the United States. It operates in two segments: Medical Equipment, and Physician Management and Diagnostic Services. The company offers an Upright MRI scanner, which allows patients to be scanned in weight-bearing conditions, such as standing, sitting, bending, or lying down.