Norfolk Southern is a transportation company that operates as one of the largest rail carriers of metal and automotive products in North America. It has more than 150 bulk transfer facilities, over 100 lumber reload centers and nearly 50 intermodal terminals. The company also has more than 3,000 locomotives and nearly 95,000 freight cars. Norfolk Southern serves the automotive, coal, real estate, agriculture, chemical and metal industries. The company also has a ports and international department that assists port partners in developing, maintaining and growing their rail-supported cargos. It provides rail services to approximately 20 seaports, nearly seven riverports and over eight Great Lake ports throughout the eastern half of the United States. Norfolk Southern also has an industrial development department that provides project management, engineering and site assistance services. It has various subsidiaries that include Lambert's Point Docks, Pocohontas Land Corporation and Norfolk Southern Railway companies.