• Testing Services

    Specializing in Aggregates, Concrete & Construction Materials County Materials’ Testing Laboratory specializes in comprehensive sampling, testing and failure analysis for aggregates, concrete and related construction materials.
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Contact Us

(800) 289-2569

205 North Street
P.O. Box 100
Marathon, WI 54448


You are welcome to schedule a meeting with key project personnel and tour our laboratory. Should you have questions or wish to request aditional information, please contact Mike Strong or Chris Kirchner.

Contact Us

For more information about this product or service, please contact our Marathon, WI office at (800) 289-2569.