Pizza chains are restaurant businesses that specialize in making and selling pizza. They often have a standardized menu that includes various types of pizza, sides, and beverages. Popular chains like Domino's, Pizza Hut, and Papa John's operate in multiple locations, making it easy for customers to find their favorite pizza nearby. Many of these chains also offer delivery and takeout services. These pizza chains use a combination of fresh ingredients and efficient cooking methods to serve customers quickly. They often run promotions and loyalty programs to attract and retain customers. Additionally, some chains have expanded their menus to include items like pasta, salads, and desserts, catering to a wider audience.