Railway | Mark | Start Year | End Year | Successor | Notes |
Ottoman Railway Company | ORC | 1856 | 1935 | Turkish State Railways | First railway in Anatolia |
Smyrne Cassaba & Prolongements | SCP | 1863 | 1935 | Turkish State Railways | |
Chemins de fer Orientaux | CO | 1868 | 1927 | TCDD, CFFH, BDZ and others | This major railway operated in the European part of the Ottoman Empire. |
Transcaucasus Railway | | 1872 | 1924 | Eastern Railway and Soviet Railways | Russian railway, operated a rail line into Kars. |
Chemins de fer Ottomans d'Anatolie | CFOA | 1880 | 1924 | Chemins de fer d'Anatolie Baghdad | |
Mersin-Tarsus-Adana Railway | MTA | 1886 | 1906 | Chemins du Fer Impérial Ottomans de Bagdad | |
Mudanya-Bursa Railway | CFMB | 1892 | 1931 | Turkish State Railways | Not connected to the national system. |
Berlin–Baghdad railway | CFIO | 1899 | 1924 | Chemins de fer d'Anatolie Baghdad | Baghdad Railway |
Anatolian Baghdad Railways | | 1924 | 1927 | Turkish State Railways | |
Samsun–Çarşamba railway | | 1924 | 1929 | Turkish State Railways | 750mm narrow gauge line. Not connected to the national network. |
Eastern Railway (Turkey) | | 1925 | 1927 | Turkish State Railways | 1,520mm broad gauge and 750mm narrow gauge line. Not connected to the national network until 1939. |
State Railways and Seaports Administration | | 1924 | 1927 | Turkish State Railways | |
Southern Railway (Turkey) | CD | 1933 | 1948 | Turkish State Railways | |
Ottoman Government | | 1872 | 1873 | Chemins de Fer Ottomans d'Anatolie | Operated a railway line from Istanbul to Izmit. |
Cillicia and Northern Syria Railway | CNS | 1918 | 1927 | Chemins de Fer Bozanti Alep Nissibine et Prolongements | |
Chemins de Fer Bozanti Alep Nissibine et Prolongements | BANP | 1927 | 1933 | Southern Railways | |