Bon Secours Health System is a not-for-profit Catholic health system that owns, manages, or joint-ventures facilities in six states, primarily on the East Coast. Bon Secours Health System was founded in 1919 by the Sisters of Bon Secours. The system includes 20 hospitals, primarily along the East Coast. The system employs more than 24,000 people and has more than 2,500 physicians on medical staff. The system includes four Catholic hospitals and two non-Catholic hospitals. Bon Secours Health System is headquartered in Marriottsville, Maryland.