National American University Holdings, Inc., through its subsidiary, owns and operates National American University (NAU) that provides professional and technical postsecondary education primarily designed for working adults and other non-traditional students in the United States. The company offers certificate, diploma, associate, baccalaureate, master's, and doctoral degree programs in business-related disciplines, such as accounting, management, business administration, and information technology; healthcare-related disciplines, including healthcare management; legal-related disciplines comprising paralegal, criminal justice, and professional legal studies; and higher education through online degree programs. The company also rents apartment units; and develops and sells condominium units. The company was founded in 1941 and is headquartered in Rapid City, South Dakota.