In case of emergency call 1-800-321-OSHA

Regional Office

230 South Dearborn St.
Room 3244
Chicago, IL 60604
Phone: (312) 353-2220
Fax: (312) 353-7774

Appleton Area Office

1648 Tri Park Way
Appleton, WI  54914
Phone: (920) 734-4521
Fax:  (920) 734-2661

Eau Claire District Office

1310 W. Clairemont Ave.
Eau Claire, WI  54701
Phone: (715) 832-9019
Fax: (715) 832-1147

Madison Area Office

4802 E. Broadway
Madison, WI  53716
Phone: (608) 441-5388
Fax: (608) 441-5400

Milwaukee Area Office

Henry S. Reuss Building, Suite 1180
310 W. Wisconsin Ave.
Milwaukee, WI  53203
Phone: (414) 297-3315
Fax: (414) 297-4299