Siemens and Stadler form a JV for a Berlin S-Bahn network contract September 17, 2012 | Europe Company News Germany-based Stadler Pankow and Siemens have formed a joint venture (JV) to bid for a contract to supply and maintain new trains for the Ring Line of the Berlin S-Bahn network in Germany. The move is... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password