Established in 1963, Portillo s Hot Dogs is a chain of restaurants that specializes in fast food items and beverages. It is a part of The Portillo Restaurant Group, a privately owned company that operates more than 40 units and catering facilities in the Midwest. Portillo s Hot Dogs offers a selection of hot dogs, Italian beef, burgers, Caesar salad, soups and party packages. Its menu features chicken sandwiches, char-grilled sausage, french fries and onion rings, as well as soft drinks, shakes and malts. The restaurant also operates various banquet and catering facilities. In addition, it offers special gift card options and packages. Portillo s Hot Dogs maintains a location in Bolingbrook, Ill.