Golden Corral is an American restaurant chain which offers an all-you-can-eat buffet and grill. It is a privately held company headquartered in the U.S. city of Raleigh, North Carolina, with locations in 43 U.S. states and Puerto Rico.

IHOP (acronym for International House of Pancakes, is an American multinational pancake house restaurant chain that specializes in American breakfast foods. It is owned by Dine Brands Global—a company formed after IHOP's purchase of Applebee's, with 99% of the restaurants run by independent franchisees. While IHOP's focus is on breakfast foods, it also offers a menu of lunch and dinner items. The company has 1,841 locations in the Americas (United States, Canada, Mexico, Panama, Peru, Ecuador and Guatemala), the Middle East (United Arab Emirates, Kuwait, Saudi Arabia and Qatar) and the South Asian Subcontinent (India and Pakistan), including 161 that are owned by area licensees and 1,680 that are franchised.

Wendy's 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. As of December 31, 2018, Wendy's was the world's third-largest hamburger fast-food chain with 6,711 locations, following Burger King and McDonald's. On April 24, 2008, the company announced a merger with Triarc Companies Inc., a publicly traded company and the parent company of Arby's. The merger was completed on September 29, 2008. Wendy's headquarters remained in Dublin. Following the merger, Triarc became known as Wendy's/Arby's Group, and later as the Wendy's Company following the sale of Arby's to Roark Capital Group. As of December 31, 2018, there are a total of 6,711 Wendy's outlets, including 353 that are company-owned and 6,358 that are franchised; 92% of all the locations are in North America. While the company determines standards for each store's exterior appearance, food quality, and menu, the store owners have control over hours of operations, interior decor, pricing, staff uniforms, and wages. The chain is known for its square hamburger patties served on circular buns, sea salt fries, and the Frosty, a form of soft-serve ice cream mixed with starches. The Wendy's menu consists primarily of hamburgers, chicken sandwiches, french fries, and beverages such as the Frosty. Since phasing out their Big Classic, the company does not have a signature sandwich, such as the Burger King Whopper or the McDonald's Big Mac.

Chick-fil-A, Inc. (a play on the American English pronunciation of "filet") is an American fast food restaurant chain and the largest chain specializing in chicken sandwiches. Headquartered in College Park, Georgia, Chick-fil-A operates 2,988 restaurants across 48 states, as well as in the District of Columbia and Puerto Rico. The company also has operations in Canada, and previously had restaurants in the United Kingdom and South Africa. The restaurant has a breakfast menu, and a lunch and dinner menu. The chain also provides catering services. Many of the company's values are influenced by the Christian religious beliefs of its late founder, S. Truett Cathy (1921–2014), a devout Southern Baptist. Reflecting a commitment to Sunday Sabbatarianism, all restaurants are closed for business on Sundays, Thanksgiving, and Christmas Day. During the Western Christian liturgical season of Lent, promotes fish sandwiches, following the Christian tradition of abstinence from meat during Lent. The company's conservative opposition to same-sex marriage has caused controversy, though the company began to loosen its stance on this issue from 2019. Despite numerous controversies and boycott attempts, the 2022 American Customer Satisfaction Index found that Chick-fil-A remained the country's favorite fast food chain for the eighth consecutive year.

McDonald's Corporation is an American multinational fast food chain, founded in 1940 as a restaurant operated by Richard and Maurice McDonald, in San Bernardino, California, United States. They rechristened their business as a hamburger stand, and later turned the company into a franchise, with the Golden Arches logo being introduced in 1953 at a location in Phoenix, Arizona. In 1955, Ray Kroc, a businessman, joined the company as a franchise agent and proceeded to purchase the chain from the McDonald brothers. McDonald's previous headquarters was based in Oak Brook, Illinois, but the company moved its global headquarters to Chicago in June 2018. McDonald's is also a real estate company through its ownership of around 70% of restaurant buildings and 45% of the underlying land (which it leases to its franchisees). McDonald's is the world's largest fast food restaurant chain, serving over 69 million customers daily in over 100 countries in more than 40,000 outlets as of 2021. McDonald's is best known for its hamburgers, cheeseburgers and french fries, although their menu also includes other items like chicken, fish, fruit, and salads. Their best-selling licensed item are their french fries, followed by the Big Mac. The McDonald's Corporation revenues come from the rent, royalties, and fees paid by the franchisees, as well as sales in company-operated restaurants. McDonald's is the world's second-largest private employer with 1.7 million employees (behind Walmart with 2.3 million employees), the majority of whom work in the restaurant's franchises. McDonald's has the sixth-highest global brand valuation. McDonald's has been subject to criticism over the health effects of its products, and its treatment of employees.

Pollo Campero is a Guatemalan fast-food restaurant chain, located in Guatemala, Honduras, El Salvador, Ecuador, Mexico, Spain, Bahrain, Belize, Haiti, Montserrat, the British Virgin Islands, Brazil, and Italy. The chain has nearly 400 locations, including more than 70 in the United States.