Gaz ve petrol işleme

TT-TEKNIKK AS

PETROLEUM GEO-SERVICES ASA

PETROLIA DRILLING ASA

AWILCO OFFSHORE ASA

SONGA OFFSHORE SE

NORSE ENERGY CORP. ASA

PETROJACK ASA

STRØMMEN RØRLEGGERBEDRIFT AS

JKS RØR AS

LOMMEDALEN EIENDOMSSERVICE AS

K/S RØR AS

BYGGKLIMA SERVICE AS

VANN-TEKNIKK AS

LUFTKVALITET AS

ATEAM INNEKLIMASERVICE AS

MAXBAD AS

SENTRUM RØR AS

GUPEX AS

VVV RØRLEGGERFORRETNING AS

JUULS RØRSERVICE AS AUT RØRL FIRMA

HARA SKIP AS

AUT RØRLEGGERMESTER KNUT W RUSTAD AS

HELGE FLATEBY AS

ING EGIL RAKNERUD AS

DOLPHIN INTERNATIONAL AS

PGS OVERSEAS AS

TANGA RØR AS

GJESTVANG RØR AS

BA RØR AS

ROGNSTAD VVS AS