The Middle Avenue Historic District is an industrial historic district located on two square blocks in downtown Aurora, Illinois. The district includes eleven buildings, eight of which are contributing buildings to its historic nature. The district formed in the early 20th century along a Chicago, Burlington and Quincy Railroad branch known as the Alley Job, and its buildings fall into three main categories: factories, distribution buildings, and warehouses. The district's factories include facilities operated by the Pictorial Printing Company and the typewriter ribbon company Miller-Bryant-Pierce. Distribution and office buildings in the district include multiple buildings owned by International Harvester and the McCredie Building, which was used by various coal businesses. The district a