Established in 1963, Portillo's Hot Dogs is a restaurant that serves chicken sandwiches, cheese and bacon burgers and onion rings. The restaurant provides onion rings, chicken tenders, and french and cheese fries. It offers a variety of beverages, including hot chocolate, bottled water, coffee, hot tea and soft drinks. Portillo's Hot Dogs provides salads and soups, as well as maintains more than 45 locations in California and Illinois. The restaurant is a part of the Portillo's Restaurant Group, which provides several banquet rooms that host various formal and informal events and can accommodate up to 150 people. The Portillo's Restaurant Group offers catering services.