ALLIANCE MARINE SERVICES LTD

KCA DEUTAG DRILLING OFFSHORE SERVICES AS

VETCO GRAY SCANDINAVIA AS

APC AS

TRANSOCEAN NORWAY OPERATIONS AS

NORAM DRILLING AS

COSL OFFSHORE MANAGEMENT AS

KCA DEUTAG DRILLING GMBH

ARCHER NORGE AS

EXPRO HOLDINGS NORWAY AS

ISLAND DRILLING MANAGEMENT AS

ENHANCED DRILLING HOLDING AS

COSL NORWEGIAN AS

PETROLIA INVEST AS

WELLPARTNER AS

GEOPHYSICAL QUALITY SERVICES LIMITED

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