MALMPOL SPOLKA Z.O.O.

GHELLA S.P.A NUF

ACCIONA CONSTRUCCION S.A. NUF

ACCIONA INFRAESTRUCTURAS AND GHELLA ANS

COPUNO SWEDEN AB NUF

GLOBAL TUNNELLING EXPERTS (DANMARK) APS

BYGGING-UDDEMANN AB

HERRENKNECHT AG

BOHUS BERGENTREPRENAD AB

SICHUAN ROAD AND BRIDGE (SRBG) DEUTSCHLAND GMBH

GESTUNNEL SLU NUF

PRESISJONSBORING AS

AGTUNNEL AS

HERRENKNECHT IBERICA SA

HERRENKNECHT (SCHWEIZ) AG

HERRENKNECHT FRANCE SARL

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