Contact Us

To contact a County Materials' representative please call 800.242.7733 or submit an email to using the form below.

Directions & contact information for our individual locations can be found in the Locations section.

Corporate Headquarters

205 North St., P.O. Box 100
Marathon, WI 54448-0100

Office: (715) 848-1365
HR Dept: (877) 492-5181
Fax: (715) 443-3691

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