Employee safety is critically important in everything we do. County Materials’ safety programs are driven by a strong commitment from top-level management, and safe behaviors and activities are part of our organization's core values. We continue to make significant strides in safety and wellness by implementing innovative programs and partnering with our employees, with regulators, and with our communities.

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