Burger King / Tim Hortons

Fast-food chain Burger King Worldwide Inc. and Canadian coffee-and-doughnut staple Tim Hortons Inc. agreed on Aug. 26 to an $11.4 billion tie-up that would create the world’s third-largest fast-food operation, with about $23 billion in sales and 18,000 restaurants in 100 countries. Each chain would continue to operate separately under its own brand and maintain separate franchisee networks.