Alstom-led consortium to construct tram extension in Constantine July 30, 2015 | Middle East & Africa Company News Entreprise Metro d’Alger (EMA) has awarded a three-year contract to a consortium of Alstom, Corsan, Corviam and Cosider to construct the south extension of the tramway in Constantine. The extens... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password