RJ Tide Construction Is The Full-Service Concrete Contractor For All Your Commercial, Institutional, Industrial, And Residential Needs. Our Foundation Crews Will Install Concrete Foundations Of Any Size From The Smallest Addition To The Largest Building, From The Most Complex Projects To The Simplest. Our Flatwork Crews Are The Best In Siouxland. We Provide The Highest Quality Flatwork Workmanship With ACI Certified Finishers. No job too big or too small.