Dairy Queen (DQ) is a chain of soft serve ice cream and fast-food restaurants owned by International Dairy Queen, Inc., a subsidiary of Berkshire Hathaway. International Dairy Queen, Inc., also owns Orange Julius and Karmelkorn. The first DQ restaurant was located in Joliet, Illinois. It was operated by Sherb Noble and opened for business on June 22, 1940. It served a variety of frozen products, such as soft serve ice cream. The company's corporate offices are located in the Minneapolis suburb of Edina, Minnesota. At the end of fiscal year 2014, Dairy Queen reported over 6,400 stores in more than 25 countries; about 4,500 of its stores (approximately 70%) were located in the United States.