Vlexx GmbH (stylized in lowercase in its logo) is a rail transport company based in Mainz, Rhineland-Palatinate, Germany; it is a subsidiary of the Regentalbahn, which in turn has been part of the Italian state railway Ferrovie dello Stato (FS) since 2011 via its parent company Netinera. Vlexx operates local rail passenger transport exclusively with diesel railcars in Rhineland-Palatinate, Saarland and Hesse as well as a connection to France on the Winden-Wissembourg railway line into the Alsace to the railway station of Wissembourg.