Select Medical Holdings Corporation, through its subsidiary, Select Medical Corporation, operates specialty hospitals and outpatient rehabilitation clinics in the United States. The company’s 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, 2011, it operated 110 long term acute care hospitals and 9 inpatient rehabilitation facilities in 28 states. The Outpatient Rehabilitation segment operates clinics; and provides physical, occupational, and speech rehabilitation services. It offers medical rehabilitation services on a contract basis at nursing homes, hospitals, assisted living and senior care centers, schools, and worksites. This segment also provides specialized programs, such as functional programs for work related injuries, hand therapy, and athletic training services. As of December 31, 2011, it operated 954 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.