Since 2001 Wisconsin Natural Stone Supplier Navis Stone is a family-run company based in Waupun, Wisconsin specializing in natural stone supply. We offer a wide array of limestone products quarried in Wisconsin including outcropping, steps, flagstone, cut wall stone, and boulders. More Details Let’s Talk How can we help you?*Choose oneI have a sales or general questionI have an accounting questionName*Company (if applicable)Email* PhoneMessagePhoneThis field is for validation purposes and should be left unchanged.