Southside Railroad - Virginia - was created in 1846.
Virginia Central Railroad was created in 1850.
Augusta Southern Railroad was created in 1893.
Valdosta Southern Railroad was created in 1951.
Georgia Southern Railroad was created in 1875.
Vicksburg Southern Railroad was created in 2006.
California Southern Railroad was created in 1880.
Pittsburgh Southern Railroad was created in 1878.
Charlotte Southern Railroad was created in 1999.
Southern Pacific Railroad was created in 1865.
Chattanooga Southern Railroad was created in 1896.
Southern Midland Railroad was created in 1863.