National American University Holdings, Inc. owns and operates National American University (NAU) that provides postsecondary education services primarily for working adults and other non-traditional students in the United States. The company operates through two segments, NAU and Other. The NAU segment offers associate, bachelorís, masterís, and doctoral degree and diploma programs in business-related disciplines, such as accounting, applied management, business administration, and information technology; and in healthcare-related disciplines, including nursing and healthcare management. It also provides courseware development, technical support, and online class hosting services to various colleges, technical schools, and training institutions in the United States and Canada. This segment offers its courses through educational sites and online in Colorado, Indiana, Kansas, Minnesota, Missouri, Nebraska, New Mexico, Oklahoma, Oregon, South Dakota, and Texas; and operates distance learning service center in Texas, as well as distance learning operations and central administration offices in Rapid City, South Dakota. As of May 31, 2015, it had 2,182 students taking classes at its physical locations; 5,929 students taking classes online; and 1,408 students taking classes at physical campus locations and online. The Other segment engages in real estate business. This segment rents apartment units; and develops and sells condominium units in the Fairway Hills Planned Residential Development area of Rapid City, South Dakota. National American University Holdings, Inc. was founded in 1941 and is headquartered in Rapid City, South Dakota.