Select Medical Holdings Corporation, through its subsidiary, Select Medical Corporation, operates specialty hospitals and outpatient rehabilitation clinics in the United States. It operates in two segments, Specialty Hospitals and Outpatient Rehabilitation. The Specialty Hospitals segment offers long term acute care hospital services and inpatient acute rehabilitative hospital care. This segment provides services for various medical conditions, such as respiratory failure, neuromuscular disorders, traumatic brain and spinal cord injuries, strokes, non-healing wounds, cardiac disorders, renal disorders, and cancer. As of December 31, 2012, the company operated 110 long term acute care hospitals and 12 inpatient rehabilitation facilities in 28 states. The Outpatient Rehabilitation segment operates clinics that provides physical, occupational, and speech rehabilitation services. It also offers medical rehabilitation services on a contract basis at nursing homes, hospitals, assisted living and senior care centers, schools, and worksites, as well as to residents. In addition, this segment provides specialized programs comprising functional programs for work related injuries, hand therapy, and athletic training services. As of December 31, 2012, the company operated 979 outpatient rehabilitation clinics in 32 states and the District of Columbia. Select Medical Holdings Corporation was founded in 1996 and is headquartered in Mechanicsburg, Pennsylvania.