The key to success is three-fold… a focus on customers, employees and business practices. The “best-in-class service” mind se ... t has resulted in a group of companies which has grown to over 100 locations across the United States and over 10,000 employees. Some of the DCI companies include Southern Tire Mart, KLLM Transport Services, Frozen Food Express, TL Wallace Construction, Forest Products Transports, DeepWell Energy Services, Pine Belt Chevrolet, Courtesy Ford, Southern Insurance Group, Duff Real Estate, Magnolia Grille and Magnolia Inn. read more