Contact Us

To contact a County Materials' representative please call 800.289.2569 or submit an email to using the form below. For your convenience, links to product sample request forms are also provided.

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

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Corporate Headquarters

County Materials Corp.
205 North St., P.O. Box 100
Marathon, WI 54448-0100
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Office: (715) 848-1365
Toll Free: (800) 289-2569
HR Dept: (877) 492-5181
Fax: (715) 443-3691


County Materials Corp celebrates 70 years