Burger King Corporation is an American fast food chain of hamburger fast food restaurants, headquartered in Miami-Dade County, Florida. The company was founded on July 23, 1953, as Insta-Burger King, a Jacksonville, Florida–based restaurant chain. After Insta-Burger King ran into financial difficulties, its two Miami-based franchisees David Edgerton (1927–2018) and James McLamore (1926–1996) purchased the company in 1959.

Krystal is an American regional fast food restaurant chain headquartered in Dunwoody, Georgia, with restaurants in the Southeastern United States and Puerto Rico. It is known for its small, square hamburgers, called sliders in places other than the Southeast, with steamed-in onions. Krystal moved its headquarters from Chattanooga, Tennessee, where it had been based since 1932, to the Atlanta suburb of Dunwoody in early 2013.

Zaxbys is an American chain of fast casual restaurants offering chicken fingers, sandwiches, chicken wings, appetizers, and salads. The chain operates primarily in the Southern United States and has more than 900 locations. Most Zaxbys restaurants are owned and operated through franchising.

Burger King Corporation is an American fast food chain of hamburger fast food restaurants, headquartered in Miami-Dade County, Florida. The company was founded on July 23, 1953, as Insta-Burger King, a Jacksonville, Florida–based restaurant chain. After Insta-Burger King ran into financial difficulties, its two Miami-based franchisees David Edgerton (1927–2018) and James McLamore (1926–1996) purchased the company in 1959.

Subway IP LLC, trading as Subway, is an American multinational fast food restaurant franchise that specializes in submarine sandwiches (subs) and wraps. It was founded by Fred DeLuca and financed by Peter Buck in 1965 as Pete's Super Submarine Sandwiches in Bridgeport, Connecticut. After several name changes, it was renamed Subway in 1972, and a franchise operation began in 1974 with a second restaurant in Wallingford, Connecticut.

Wingstop Inc. is an American international fast food chain that primarily sells buffalo wings. Wingstop locations are decorated with a 1930s and 1940s pre-jet aviation theme.

Little Caesar Enterprises Inc. (LCE) is an American multinational chain of pizza restaurants that was founded in 1959. Little Caesars is the third largest pizza chain by total sales in the United States behind Domino's and Pizza Hut. It operates and franchises pizza restaurants in the United States and internationally in Asia, Europe, North America, and South America. The company is owned by Ilitch Holdings, and headquartered in Detroit, Michigan.

Whataburger is an American regional fast food restaurant chain, headquartered and based in San Antonio, Texas, that specializes in hamburgers. Founded by Harmon Dobson and Paul Burton, it opened its first restaurant in Corpus Christi, Texas in 1950. Family-owned by the Dobsons until 2019, the chain is now managed by the private equity firm BDT & MSD Partners; the Dobson family still holds a small stake.