The city of Des Plaines is located in the county of Cook. It covers a total area of 37.3 sq. km. Industries related to advertising, aviation, architecture, automotive, finance, beverages, construction, chemicals, courier, finance, hotel, industrial and commercial machinery, real estate and logistics. Businesses related to trailer renting and leasing, truck repairing, wholesale distributing, contracting in sheet metal, rehabilitation services and real estate inspection and oil and lubrication, contribute to the local economy. Commercial spaces are utilized by museums, night clubs, machine shops and hardware stores.