More than a few Chili's heat up this restaurant business. One of the world's largest casual dining companies, Brinker International operates and franchises about 1,660 Chili's Grill & Bar locations in more than 50 countries. Trailing only Applebee's as the largest full-service restaurant chain, Chili's specializes in southwestern-style dishes with a menu featuring fajitas, margarita grilled chicken, and its popular baby back ribs. About 660 of the eateries are operated by franchisees, including some 350 international locations. In addition to its flagship chain, Brinker operates Maggiano's Little Italy, a casual Italian chain with around 50 units, and it owns a stake in Romano's Macaroni Grill.