| Business | Phone |
| National Trust For Historic 53 W Jackson Blvd 350, Chicago 60604 | (312) 939-5547 |
| Historic Pullman Foundation 11141 S Cottage Grove Ave, Chicago 60628 | (773) 785-8901 |
| Hyde Park Historical Soc 5529 S Lake Park Ave, Chicago 60637 | (773) 493-1893 |
| Ridge Historical Society 10621 S Seeley Ave, Chicago 60643 | (773) 881-1675 |