Idaho Northern Railroad ended in 1910.
Syracuse Northern Railroad was created in 1868.
Autauga Northern Railroad was created in 2011.
Northern Adirondack Railroad was created in 1883.
Sacramento Northern Railroad was created in 1918.
Altoona Northern Railroad was created in 1912.
Dyersburg Northern Railroad was created in 1904.
Utah Northern Railroad was created in 1872.
Northern Indiana Railroad was created in 1837.
Burlington Northern Railroad was created in 1970.
Northern Pacific Railroad was created in 1864.
Wisconsin Northern Railroad was created in 2004.