Portillo's Inc., together with its subsidiaries, engages in the ownership and operation of fast casual and quick service restaurants in the United States. The company offers Chicago-style hot dogs and sausages, Italian beef sandwiches, char-grilled burgers, chopped salads, crinkle-cut French fries, homemade chocolate cakes, and chocolate cake shakes. As of March 10, 2022, it operated in 70 locations across nine states. The company also offers its products through its website. Portillo's Inc. was founded in 1963 and is based in Oak Brook, Illinois.