The National Railway Transport Company (SNTF) was created in 1976, its activity concerns passenger transport, freigh transport , manages and maintains the national rail network which it owns.By its volume of activity and the size of its network, SNTF is the second railway company in Africa after the South African railways.

The SNTF is a decentralized organization which is made up by national and regional structures:

-The headquater of the company include the General Direction and the central management

-Four regional directions

-Four rail maintenance units

–Maintenance, storage and cleaning units located in Caroubier