Restaurant Brands International operates quick service restaurants globally, with four segments: Tim Hortons, Burger King, Popeyes Louisiana Kitchen, and Firehouse Subs. Its restaurants offer various delicacies, such as flame-grilled hamburgers, sandwiches, donuts, muffins, pastries, soft drinks, and local specialties. With approximately 29,000 restaurants in 100 countries, the company has been serving customers since 1954 and is headquartered in Canada.