Illinois - Area of significance: Communications
| Allerton, Robert, Estate |
| Automatic Electric Company Building |
| Boyce Building |
| Chicago Telephone Company Kedzie Exchange |
| Copley, Col. Ira C., Mansion |
| Ford Airport Hanger |
| Guyon Hotel |
| Hegeler-Carus Mansion |
| Louisville and Nashville Depot |
| Mobile and Ohio Railroad Depot |
| Potter House |
| Riverbank Laboratories |
| Robinson, J. L., General Store |
| South Loop Printing House District |
| Teich, Curt, and Company Building |
| United States Post Office-Chicago |
| Wells-Barnett, Ida B., House |
Data from United States Park Service and Wikidata
