Yum! Brands, Inc., or Yum! and formerly Tricon Global Restaurants, Inc., is an American fast food, Fortune 500 corporation, Yum! operates the brands Taco Bell, KFC, Pizza Hut, and WingStreet worldwide, except in China, where the brands are operated by a separate company, Yum China. Prior to 2011, Yum! also owned Long John Silver's and A&W Restaurants. Based in Louisville, Kentucky, it is one of the world's largest fast food restaurant companies in terms of system units—with 43,617 restaurants (including 2,859 that are company-owned and 40,758 that are franchised) around the world in over 135 countries and territories.