Gas y petróleo: explotación

TT-TEKNIKK AS

SEAMETRIC INTERNATIONAL AS

SEAWELL AS

BERGER VENTILASJONSSERVICE AS

PETROLIA DRILLING ASA

FLIS & BAD AS

PETROLEUM GEO-SERVICES ASA

AWILCO OFFSHORE ASA

SEVAN MARINE ASA

SONGA OFFSHORE SE

NORSE ENERGY CORP. ASA

EASTERN DRILLING ASA

PETROJACK ASA

AKER DRILLING ASA

ENERGIKONTROLL AS

IVARØS INTERIØR OG VVS AS

BOSSUG AS

S H NESBAKK AS

MOSJØEN KULDE OG KLIMA SERVICE AS

JESSEN RØR AS

PIER OFFSHORE MANAGEMENT SERVICES AS

HEIMDAL RØR AS

VENTILASJON OG INNEKLIMA AS

ØEN KULDETEKNIKK AS

RØRLEGGERIET AS

GOLAR NOR OFFSHORE AS

TUNG INVEST AS

RØRLEGGER'N AUT. RØRLEGGERMESTER AS

B SKOTVOLL AS

S MOE AS