Select Medical Holdings Corporation is an operator of both specialty hospitals and outpatient rehabilitation clinics in the United States. As of June 30, 2009, the Company operated 87 long-term acute care hospitals and five inpatient rehabilitation facilities in 25 states, and 948 outpatient rehabilitation clinics in 37 states and the District of Columbia. The Company operates two business segments: specialty hospital and outpatient rehabilitation segments, which accounted for approximately 69% and 31%, respectively, of its net operating revenues during the year ended December 31, 2008. Its specialty hospital segment consists of hospitals designed to serve the needs of long-term stay acute patients and hospitals designed to serve patients who require intensive inpatient medical rehabilitation. Its outpatient rehabilitation business consists of clinics and contract services that provide physical, occupational and speech rehabilitation services.