Taco Bell Corporation, founded in 1962 and a subsidiary of Yum! Brands, is one of the leading Mexican-style restaurant chains in the United States. The restaurant serves tacos, burritos, signature quesadillas, grilled and stuffed burritos, nachos, and the Crunchwrap Supreme. It offers a variety of Big Bell Value Menu items that includes grilled and marinated chicken, pepper jack and cheddar melted cheese products. The company s Web site offers nutrition guides, restaurant locations and food details to customers. It operates more than 270 restaurants worldwide, including the United States, Canada, the Dominican Republic, Chile, Costa Rica, Guatemala, Puerto Rico, Ecuador, Asia, Europe, and the Philippines. Taco Bell Corporation is headquartered in Irvine, Calif.