Portillo's Inc., along with its affiliated companies, owns and operates a network of quick-service and fast-casual restaurants throughout the United States. The company's diverse menu prominently features classic Chicago-style hot dogs and sausages, savory Italian beef sandwiches, flame-grilled burgers, crisp chopped salads, signature crinkle-cut French fries, and celebrated homemade chocolate cakes and chocolate cake shakes. By March 10, 2022, Portillo's had expanded its presence to 70 locations across nine states.