Φυσικό αέριο και πετρέλαιο - εκμετάλλευση

DET NORSKE OLJESELSKAP ASA

STATOIL ASA

DNO ASA

REVUS ENERGY ASA

TALISMAN ENERGY NORGE AS

GDF SUEZ E&P NORGE AS

ADD NOVATECH AS

AGA AS

PAGAR ØST AS

GASS-SERVICE AS

NORSK HYDRO ASA