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To contact us, please call 800-444-5523. Or, fill out the form below and we will reply as soon as possible.


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    Our Location

    Geo-Synthetics Systems LLC (GSI)
    2401 Pewaukee Road
    Waukesha, WI 53188

    Come Work at GSI

    For every open position, we look for just the right person to join our staff of innovators. Whether you’re an experienced professional or just starting out, our focus on growth means great career opportunities for the right colleagues. There’s never been a better time to join our team.