CHATTANOOGA, TN–April 26, 2011 (James Street Media Services)–JDK Real Estate, LLC, a member of the Kenco Family of Companies, has signed a lease with Chattem, Inc., the U.S. Consumer Healthcare Division of sanofi-aventis, for 689,450 square feet of warehouse space in Chattanooga, TN. Chattem has taken occupancy of the facility.