MALMPOL SPOLKA Z.O.O.

SENKETUNNEL AS

GHELLA S.P.A NUF

ACCIONA CONSTRUCCION S.A.

ACCIONA INFRAESTRUCTURAS AND GHELLA ANS

COPUNO SWEDEN AB

GLOBAL TUNNELLING EXPERTS (DANMARK) APS

BYGGING-UDDEMANN AB

HERRENKNECHT AG

BOHUS BERGENTREPRENAD AB

SICHUAN ROAD AND BRIDGE (SRBG) DEUTSCHLAND GMBH

GESTUNNEL SLU

PRESISJONSBORING AS

AGTUNNEL AS

HERRENKNECHT IBERICA SA

HERRENKNECHT (SCHWEIZ) AG

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