Εξόρυξη πετρελαίου και αερίου - υπηρεσίες

GEFRO OILFIELD SERVICES AS

ODFJELL DRILLING MANAGEMENT AS

GRENLAND MMO AS

NOBLE DRILLING SERVICES NORGE AS

DEEP OCEAN ASA

STENA DRILLING AS

INDUSTRIKONSULT A/S

AKER STORD AS

TECHNO DIVE AS

OCEAN RIG ASA

WEPCO AS

SEMCO MARITIME DRIFT AS

EGELAND INVEST AS

INDEPENDENT OIL & RESOURCES ASA

DEEP SEA MANAGEMENT AS

WEATHERFORD NORGE AS

SONSUB AS

WELLCON AS

POLYCREST AS

SUB SEA SERVICES AS

SEADRILL WELL SERVICES AS

SEADRILL OFFSHORE AS

ODFJELL DRILLING AS

ODFJELL OFFSHORE AS

SEAWELL ENGINEERING AS

PROSAFE SE