Astaldi-Gülermak JV to develop Warsaw Metro Line 2 extension, Poland March 22, 2018 | Europe Company News A joint venture of Astaldi and Gülermak has secured a EUR310-million contract from the Municipality of Warsaw to develop the metro Line 2 extension. The contract is expected to be signed after the com... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password