Dairy Queen (DQ) is an American chain of soft serve ice cream and fast food restaurants owned by International Dairy Queen, Inc. (a subsidiary of Berkshire Hathaway since 1998) which also owns Orange Julius, and formerly owned Karmelkorn and Golden Skillet Fried Chicken. Its corporate offices are in Bloomington, Minnesota. The first DQ restaurant was in Joliet, Illinois, a suburb in Chicago. It was operated by Sherb Noble and opened on June 22, 1940. It served a variety of frozen products, including soft serve ice cream.