Φυσικό αέριο - παραγωγή και διανομή - Νορβηγία

STATOIL ASA

DET NORSKE OLJESELSKAP ASA

GDF SUEZ E&P NORGE AS

PAGAR ØST AS

GASS-SERVICE AS

NORSK HYDRO ASA

DNO ASA

REVUS ENERGY ASA

TALISMAN ENERGY NORGE AS

ADD NOVATECH AS

AGA AS

ØSTFOLD RØR AS

SIGMUND LOTHE AS

I LIE & SØNNER AS

RØRLEGGERFIRMA SUNDE & RUSTAD AS

LILLEHAMMER VENTILASJON AS

MODALSLI RØR AS

RØRLEGGER BRAGER AS

RØRLEGGERFIRMA KJELGAARD AS

AS STAFF & SØNNER

TERMO SENTERET AS

LILLESTRØM RØRLEGGERBEDRIFT AS

AS ARVE WELDINGH VVS

AS RØRLEGGER

BERGERSEN VANN OG VARME AS

DRØBAK RØRLEGGERSERVICE AS

FINN SIMENSTAD AS

BÆRUMS VERK RØRLEGGERBEDRIFT AS

WARMBRODT VVS AS

P S HÅLAND RØR AS