Pacific Railroad was created in 1849.
Western Pacific Railroad was created in 1916.
Southwest Pacific Railroad was created in 1866.
Texas Pacific Railroad was created in 1871.
Southern Pacific Railroad was created in 1865.
South Pacific Railroad was created in 1868.
Northwestern Pacific Railroad was created in 2007.
California Pacific Railroad was created in 1865.
Central Pacific Railroad was created in 1861.
Missouri Pacific Railroad was created in 1917.
Northern Pacific Railroad was created in 1864.
Pacific Electric Railroad Bridge was created in 1913.
Santa Fe Pacific Railroad was created in 1897.