Φυσικό αέριο - παραγωγή και διανομή - Νορβηγία

DET NORSKE OLJESELSKAP ASA

STATOIL ASA

DNO ASA

TALISMAN ENERGY NORGE AS

ADD NOVATECH AS

AGA AS

GDF SUEZ E&P NORGE AS

PAGAR ØST AS

GASS-SERVICE AS

REVUS ENERGY ASA

NORSK HYDRO ASA

SENTRUM RØR AS

VENTILASJONSBYGG AS

NILS AKSNES & CO AS

TT-TEKNIKK AS

BERGER VENTILASJONSSERVICE AS

FLIS & BAD AS

AVANT ENTREPRENØR AS

H NYGÅRD AS

VARMEPUMPESERVICE AS

HERVIK RØR AS

KOKSTAD VENTILASJONSSERVICE AS

ANDERSEN HARRY RØRLEGGERFORRETNIN AS

TRONDHEIM LUFTTEKNIKK ING FIRMA AS

KVALHEIM VVS AS

TRONDHEIM KULDE AS

RØRLEGGER GUNNAR LARSEN AS

ØB RØR AS

ANTONSEN ØYSTEIN AUT RØRL MESTER AS

GRIDSETH RØR AS