Consortium of Mostostal Warszawa SA (the leader), Acciona Infrastruktura SA, STRABAG Sp. z o.o., STRABAG AG, Ed. Züblin AG, DYWIDAG International GmbH, DYWIDAG Bau GmbH and Przedsiębiorstwo Budowy Kopalń Pebeka SA has placed the most interesting offer for the construction of the central section of the 2nd metro line.