1872 - 1881 - Atlantic, Gulf & West India Transit Company
1881 - 1883 - Florida Transit Railroad Company
1883 - 1885 - Florida Transit & Peninsular Railroad Company
1885 - 1888 - Florida Railway & Navigation Company
1888 - 1903 - Florida Central & Peninsular Railroad Company (1)
1903 - 1915 - Seaboard Airline Railway
1915 - 1932 - Seaboard Air Line Railway Company
1932 - Tracks from Archer to Cedar Key removed, ending, except for brief periods during the Civil War, the continuous line between Fernandina Beach and Cedar Key Florida.
(1) The Florida Central & Peninsular Railroad Company was assumed by the Seaboard Airline Railway in 1900, but continued operation under the Florida Central & Peninsular name.