Lubbock is home to Covenant Health, the region’s largest health system, offering the most comprehensive health care services available between Dallas and Phoenix. Lubbock’s health care hub serves a population of more than 1.2 million people. It is important to note that the health care sector is a vital component of the Lubbock economy. It employs more than 17,000 people, whose payroll ($543.3 million) and related contributions produce a $735.6 million impact to the Lubbock area. Furthermore, Texas Tech University Health Sciences Center (TTUHSC) is consistently ranked in the top 120 medical programs in the country and houses the TTUHSC School of Medicine, TTUHSC School of Nursing and TTUHSC School of Allied Health. Major health care facilities in Lubbock include: