Dairy Queen Flamethrower Burger TV Television Commercial from 2004. <br /> <br />Dairy Queen, often abbreviated 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. <br /> <br />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. <br /> <br />The company's corporate offices are located in the Minneapolis suburb of Edina, Minnesota.
