Norfolk Southern Corporation controls Norfolk Southern Railway Company. The major freight railway operates approximately 21,300 route miles in 22 Eastern states, the District of Columbia and Ontario, Canada. It serves all major Eastern United States ports and connects with rail partners in the West and Canada, linking customers to markets throughout the world. Norfolk Southern provides comprehensive logistics services and offers one of the most extensive intermodal networks in the Eastern United States. The company serves bulk transfer, lumber reload and paper distribution centers; coal loading, auto distribution and iron ore transload facilities; and sea and lake ports. Its operating revenue is generated from intermodal, automotive, chemical, construction, metal, agriculture, coal and paper industry applications. Norfolk Southern Corporation maintains its headquarters in Norfolk, Va.