Tropical Smoothie Cafe, also referred to as Tropical Smoothie, is a restaurant franchise in the United States. It operates more than 1400 locations nationwide.

Pumpernickel Associates, LLC, doing business as Panera Bread, is an American multinational chain of bakery-café fast casual restaurants with over 2,000 locations, all of which are in the United States and Canada. Its headquarters are in Fenton, Missouri. The chain operates as Saint Louis Bread Company in the Greater St. Louis area, with over 100 locations.

Captain D's, LLC. is an American fast casual restaurant chain that specializes in seafood and is headquartered in Nashville, Tennessee. The chain was founded as Mr. D's Seafood and Hamburgers by Raymond L. Danner Sr. on August 15, 1969, in Donelson, Tennessee. The chain is currently owned by private-equity firm Centre Partners. Captain D's currently has more than 500 locations in the United States.

Taco Bell Corporation is an American multinational chain of fast food restaurants founded in 1962 by Glen Bell (1923–2010) in Downey, California. Taco Bell is a subsidiary of Yum! Brands, Inc. The restaurants serve a variety of Mexican-inspired foods, including tacos, burritos, quesadillas, nachos, novelty, and specialty items, and a variety of "value menu" items. As of 2023, Taco Bell serves over two billion customers each year, at 8,212 restaurants, more than 94 percent of which are owned and operated by independent franchisees and licensees.

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.

Jack's Family Restaurants is an American fast food restaurant chain, headquartered and based in Birmingham, Alabama. Restaurants feature sit-down dining, drive-thrus and takeout service. The menu features primarily burgers, fried chicken, breakfast and various other fast food items including french fries and soft drinks.

Culver Franchising System, LLC, doing business as Culver's, is an American fast-casual restaurant chain. The company was founded in 1984 by George, Ruth, Craig, and Lea Culver. The first location opened in Sauk City, Wisconsin, on July 18, 1984, under the name "Culver's Frozen Custard and ButterBurgers". The privately held company is headquartered in Prairie du Sac, Wisconsin. The chain operates primarily in the Midwestern United States, and has a total of 1,000 restaurants in 26 states as of April 2025.

McDonald's Corporation, doing business as McDonald's, is an American multinational fast food restaurant chain. As of 2024, it is the largest by revenue and second-largest by number of locations in the world, behind the Chinese chain Mixue Ice Cream & Tea.

Wendy's International, LLC, is an American international fast food restaurant chain founded by Dave Thomas on November 15, 1969, in Columbus, Ohio. Its headquarters moved to Dublin, Ohio, on January 29, 2006. On September 29, 2008, the company merged with Triarc, the publicly traded parent company of Arby's. As of December 31, 2018, Wendy's was the world's third-largest hamburger fast-food chain, following McDonald's and Burger King.

Wendy's International, LLC, is an American international fast food restaurant chain founded by Dave Thomas on November 15, 1969, in Columbus, Ohio. Its headquarters moved to Dublin, Ohio, on January 29, 2006. On September 29, 2008, the company merged with Triarc, the publicly traded parent company of Arby's. As of December 31, 2018, Wendy's was the world's third-largest hamburger fast-food chain, following McDonald's and Burger King.