Founded in 1940, International Dairy Queen Inc. is one of the largest chains of fast-food restaurant franchises. It operates more than 6,000 stores in over 20 countries worldwide. The chain s stores serve The MooLatte beverages in vanilla and caramel flavors. Its stores menus include heart-shaped cakes, truffle and cheeseburgers. The company is a wholly owned subsidiary of Berkshire Hathaway. Its stores serve signature soft-serve ice cream. Dairy Queen s stores offer a fast-food menu that features french fries and processed chicken products in addition to frozen treats and hot dogs.