Taco Bell is an American chain of fast-food restaurants based in Irvine, California. A subsidiary of Yum! Brands, Inc., they serve a variety of Tex-Mex foods including tacos, burritos, quesadillas, nachos, other specialty items, and a variety of "value menu" items. Taco Bell serves more than 2 billion customers each year in more than 6,500 restaurants mostly in the U.S., more than 80 percent of which are owned and operated by independent franchisees.