Kansas City Southern is a transportation holding company with domestic and international rail operations in North America. Co.'s subsidiary, The Kansas City Southern Railway Company, is a U.S. Class I railroad that serves several region in the midwest and southeast regions of the U.S. and has north/south rail route between Kansas City, MO and several main ports along the Gulf of Mexico in Alabama, Louisiana, Mississippi and Texas. Co.'s subsidiary, Kansas City Southern de Mexico, S.A. de C.V., operates a main commercial corridor of the Mexican railroad system and has as its main route a direct rail passageway between Mexico City and Laredo, TX.