SEM

Select Medical Holdings Corporation (NASDAQ:SEM) is a healthcare services company founded in 1996 and headquartered in Mechanicsburg, Pennsylvania. The company operates specialized medical facilities across the United States, focusing on post-acute care services including critical illness recovery hospitals, rehabilitation hospitals, outpatient rehabilitation clinics, and occupational health centers. Select Medical went public in 2009 and has grown through both organic expansion and strategic acquisitions. In November 2024, the company completed the spin-off of its Concentra occupational health division, allowing it to focus more intensively on its core post-acute care hospital and rehabilitation services business.