Montana Southern Railway was created in 1917.
Montana Central Railway ended in 1907.
Columbus Southern Railway ended in 1896.
Abbeville Southern Railway ended in 1893.
Columbia Southern Railway ended in 1910.
Elkhorn Southern Railway ended in 1911.
Southern Railway in Mississippi ended in 1920.
Allegheny Southern Railway ended in 1984.
Southern Railway - U.S. - ended in 1990.
Chattanooga Southern Railway ended in 1895.
Pittsburgh Southern Railway ended in 1884.
Tidewater Southern Railway ended in 1987.