Norfolk Southern Corporation is a holding company. The Company owns a freight railroad, Norfolk Southern Railway Company. The Company is engaged in the rail transportation of raw materials, intermediate products and finished goods primarily in the Southeast, East and Midwest and through interchange with rail carriers, to and from the rest of the United States. The Company also transports overseas freight through various Atlantic and Gulf Coast ports. It provides logistics services and offers an intermodal network in the eastern half of the United States. The Company's system reaches various individual industries, electric generating facilities, mines, distribution centers, transload facilities and other businesses located in its service area. The Company's general merchandise market group is composed of five commodity groupings: chemicals; metals and construction; agriculture, consumer products, and Government; automotive, and paper, clay and forest products.