Don't ask for whom the Taco Bell tolls; it tolls for millions of diners seeking a tortilla-wrapped meal. A unit of fast-food behemoth YUM! Brands, Taco Bell is the #1 Mexican fast-food chain in the US, with about 6,200 locations. The restaurants feature a wide range of Mexican-style menu items including tacos, burritos, gorditas, quesadillas, and nachos. Taco Bell units can be found operating as free-standing units and as quick-service kiosks in such places as shopping malls and airports. Taco Bell also has 350 international locations in more than 20 countries. More than 20% of the restaurants are company-operated. Parent YUM! Brands, the world's #1 fast-food company, also operates KFC and Pizza Hut.