Regional OSHA Offices and Contact Information
Region 5
Regional Office
John C. Kluczynski Federal Building
230 South Dearborn Street
Room 3244
Chicago, Illinois 60604
Online: Visit Website
Phone: (312) 353-2220
Fax: (312) 353-7774
Region 5 State Offices
- Illinois state offices*
- Indiana state offices*
- Michigan state offices*
- Minnesota state offices*
- Ohio state offices
- Wisconsin state offices
* This is one of the 28 OSHA-approved State Plans. Twenty-two State Plans (21 states and Puerto Rico) cover both private and state and local government workplaces. The other six State Plans (Connecticut, Illinois, Maine, New Jersey, New York, and the Virgin Islands) cover state and local government workers only.