Available throughout the terminal. In center of lower level hall. No smoking in the terminal. The major rental companies have desks on the lower level. Taxi rank on forecourt outside the terminal exit.
Bus services are available to downtown and many other area destinations.
Transportation from O'Hare Airport. There is a business center near the terminal beneath the Hilton Airport hotel. 773 601-1743 for information. Additionally, passengers on American Airlines have the use of the Executive Center in the terminal.