Taco Bell, a part of Taco Bell Corp., is one of the leading Mexican-style, quick-service restaurant chains in the United States. Based in Tucson, Ariz., the restaurant offers a diverse menu of tacos, burritos, signature quesadillas, grilled stuffed burritos, nachos and other specialty items, such as Crunchwrap Supreme. In addition, it specializes in its proprietary "the Why Pay More!" value menu. Taco Bell Corp. operates more than 5,600 restaurants throughout the United States. Taco Bell Corp. is a part of Yum! Brands Inc.