A Portillo's In Glendale Heights, Illinois
Portillo's Restaurant Group, Inc. is an American fast casual restaurant chain primarily in the Midwestern United States that specializes in serving Chicago-style food such as hot dogs, Maxwell Street Polish, and Italian Beef. The company was founded by Dick Portillo in 1963 in Villa Park, Illinois under the name "The Dog House".
As of first quarter 2019, Portillo's consists of 67 locations in the Midwestern states of Illinois, Indiana, Minnesota, and Wisconsin and outside the Midwest in Arizona, California, and Florida. The majority of Portillo's restaurant locations are in the Chicago metropolitan area and northern Illinois; the chain also encompasses three locations each in central Illinois, the Indianapolis metropolitan area, and the Minneapolis-St. Paul metropolitan area; two locations each in the Milwaukee metropolitan area, Phoenix metropolitan area, Southern California, and the Tampa metropolitan area; and one location each in the Madison, Wisconsin metropolitan area and South Bend metropolitan area, Fort Wayne, Orlando, and the Quad Cities.