Approve the renewal of annual contract for RFQ/P #46-004 Demand Services for On-Call Concrete Contractors for various County departments to Chattahoochee Group, Inc. of Clermont, GA, The Dickerson Group, Inc. of Lawrenceville, GA, Lagniappe Development Co., Inc. of Buford, GA, and Ryals Brothers, LLC of Lula, GA. The estimated annual cost is $167,487.00.