Metro de Medellin Limited: Expanding its transport portfolio February 1, 2011 | TA/ TSO Focus Metro de Medellin Limited, also known as Empresa de Transporte Masivo del Valle de Aburrá Ltda (ETMVA), is an unlisted public transport company that operates the Medellin metro in Colombia. It is equa... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password