Gāze un nafta - ieguve

SEAMETRIC INTERNATIONAL AS

SEAWELL AS

BERGER VENTILASJONSSERVICE AS

AKER DRILLING ASA

BOSSUG AS

RØRLEGGERIET AS

KCA DEUTAG MODULAR RIGS AS

RØRDYKK AS

TECHNOCEAN AS

OCTOPUS AS

VA-TEKNIKK VEST AS

ISLAND OFFSHORE SUBSEA AS

RØRKOMPANIET AS

AS ODDA VVS SENTER

KLIMA OG ENERGI SERVICE AS

S O LUND AS

RØRTEKNIKK AS

GODT & VARMT AS

OCEAN RIG 1 AS

J TOLLEFSEN AS

KÅRE NETELAND AS

RØRLEGGER HARALDSEID AS

SKUDE RØR AS

RØRHAB AS

COMFORT KARMØY AS

BERGE ENERGI AS

HAUGESUND VENTILASJON SERVICE AS

PETROLIA RIGS AS

ENERGI & MILJØ AS

AKER EXPLORATION ASA