Established in 1940, International Dairy Queen Inc. operates fast-food restaurants throughout the United States, Canada and 22 other countries. The company provides a variety of dishes, including cheeseburger, hot dog, chicken wrap, regular French fries, onion rings, side salad, medium drink, small sundae, small soft cone as well as cakes and beverages. In addition to providing dieticians services, the restaurant carries several apparel, including T-shirts, sweatshirts and hats. International Dairy Queen Inc. is a subsidiary of Berkshire Hathaway Inc.