Dairy Queen

In business since 1940, Dairy Queen is a chain of soft serve and fast-food restaurants owned by International Dairy Queen Inc. Based at Greenville, Ill., it offers a variety of ice-creams, dairy treats, such as sundaes, the Buster Bar, Original Blizzard flavor treats, the DQ sandwich and the Dilly Bar, to name a few. The company also provides various food items, including sandwiches, fries, burgers, wraps, hot dogs, grills and salads, along with cakes and beverages. International Dairy Queen Inc. is a part of Berkshire-Hathaway Inc and operates 5,700 restaurants across the United States, Canada and 22 other countries in the world.