Møller – Mærsk A/S, Ardent Oil Ltd., Dana Petroleum Denmark B.V., Danoil Exploration A/S, DONG E&P A/S, Dyas B.V., Edison International S.p.A., Hansa Hydrocarbons Limited, Hess Denmark ApS, Mærsk Olie & Gas A/S, Noreco Oil Denmark A/S, PA Resources UK Limited, RWE Dea AG, Shell Olie & Gasudvinding B.V.