Papa John's International, Inc., trading as Papa Johns, is an American pizza restaurant chain. As of 2023, it is the fourth largest pizza delivery restaurant chain in the United States, with headquarters in the Louisville, Kentucky and Atlanta, Georgia metropolitan areas. Papa John's global presence has reached over 5,500 locations in 49 countries and territories, and it is the world's third-largest pizza delivery company.

Subway most commonly refers to:

Arby's Restaurant Group, Inc. doing business as Arby's is an American fast food sandwich restaurant chain with more than 3,300 restaurants. The flagship property of Inspire Brands, it ranked third in systemwide sales in the United States in the quick-service and fast-casual restaurant industries in 2012, behind Subway and Panera Bread. In October 2017, Food & Wine called Arby's "America's second largest sandwich chain ".

Firehouse Restaurant Group, Inc., doing business as Firehouse Subs, is an American multinational fast casual restaurant chain based in Jacksonville, Florida, that specializes in submarine sandwiches. It was founded in 1994 in Jacksonville, Florida by former firefighter brothers Chris and Robin Sorensen. It is a subsidiary of Restaurant Brands International, which also owns the chains Burger King, Popeyes, and Tim Hortons.

Chick-fil-A, Inc. is an American fast food restaurant chain and the largest chain specializing in chicken sandwiches. Headquartered in College Park, Georgia, Chick-fil-A operates restaurants across 48 states, as well as in the District of Columbia and Puerto Rico. The company also has operations in Canada and the United Kingdom, and previously had restaurants in South Africa. Chick-fil-A has announced plans to open stores in both the UK and Singapore in late 2025. The restaurant has a breakfast, a lunch, and a dinner menu. The chain also provides catering services.

KFC Corporation, doing business as KFC, is an American multinational fast food restaurant chain specializing in Southern fried chicken and chicken sandwiches. Headquartered in Louisville, Kentucky, it is the world's second-largest restaurant chain after McDonald's, with over 31,980 locations globally in 150 countries, as of September 2025. The chain is a subsidiary of Yum! Brands, a restaurant company that also owns the Pizza Hut and Taco Bell chains.

Popeyes Louisiana Kitchen, Inc. is an American multinational chain of Southern fried chicken restaurants founded in 1972 in New Orleans and headquartered in Miami. It is currently a subsidiary of Toronto-based Restaurant Brands International. As of 2021, Popeyes has 3,705 restaurants, which are located in more than 46 states and the District of Columbia, Puerto Rico, and 30 countries worldwide. About 50 locations are company-owned while the other approximately 98% are franchised.

Sonic Corporation, founded as Sonic Drive-In and more commonly known as Sonic, is an American drive-in fast-food chain owned by Inspire Brands, the parent company of Arby's, Jimmy John's, Buffalo Wild Wings, Baskin-Robbins, and Dunkin'. Sonic, founded by Troy N. Smith Sr., opened its first location in 1953, under the name Top Hat Drive-In. Originally a walk-up root beer stand outside a log-cabin steakhouse selling soda, hamburgers, and hot dogs, Sonic currently has over 3,400 locations in the United States.