T.S.T.- Transportes Sul do Tejo S.A., is a company designed for the transport of passengers on buses. The activity of the company is carried out in a region that corresponds to the limits of the Setúbal Peninsula, consisting of the councils of Alcochete, Almada, Barreiro, Moita, Montijo, Palmela, Seixal, Sesimbra and Setúbal, covering an area of approximately 1600 Kms2, and serving a population of around 1 million inhabitants.