| A/S Norske Shell |
| Accenture |
| AkerBP |
| Arntzen de Besche Advokatfirma AS |
| Bayerngas Norge AS |
| Cairn |
| Centrica Energi |
| ConocoPhillips Norge |
| DEA E&P Norge |
| Deloitte |
| Det Norske Oljeselskap ASA |
| DONG Norge AS |
| ENGIE E&P Norge |
| Eni Norge AS |
| EY |
| ExxonMobil Exploration & Production Norway AS |
| Fabi AS |
| Faroe Petroleum Norge AS |
| Finansdepartementet |
| Gassco AS |
| Advokatfirmaet Harboe & Co |
| Hess Norge AS |
| Idemitsu Petroleum Norge a.s. |
| Kluge Advokatfirma |
| KPMG as |
| Lundin Norway AS |
| Oljeskattekontoret |
| OMV (Norge) AS |
| Point Resources AS |
| Petoro AS |
| Point Resources |
| PriceWaterhouseCoopers |
| Repsol Exploration Norge AS |
| Schjødt Advokatfirma |
| Statoil |
| TMF Group |
| Total E&P Norge AS |
| Upstream Accounting Excellence AS |
| Wintershall Norge AS |
| I tillegg enkeltmedlemmer |
