Current Affiliates

Aabar Petroleum Investment Company
Afren plc
Anadarko Petroleum Corp (UK)
Anglo American Plc
AngloGold Ashanti
ATP Oil & Gas (UK) Ltd
BG Group Plc
BHP Billiton Petroleum Ltd
Bow Valley Petroleum (UK) Ltd
BP Exploration Operating Co Ltd
Cairn Energy India
C&C Reservoirs Ltd
Centrica Plc
CGG Veritas Ltd
Chevron North Sea Limited
Citrus Partners LLP 
CNR International (UK) Ltd.
ConocoPhillips
Desire Petroleum Plc
Dong E&P (UK) Ltd
ENI UK Limited
EOG Resources United Kingdom Ltd
E.ON Ruhrgas UK
Equipoise Solutions Ltd
ExxonMobil International Ltd
Fairfield Energy Ltd
Fugro Robertson Ltd
Gaffney Cline & Associates Ltd.
GWP Consultants
GETECH
Hannon Westwood LLP
Hardy Oil & Gas Plc
Helix RDS Ltd
Hess Limited
HSBC Insurance Brokers Ltd
Hunt Oil
Ikon Science Ltd
Jefferies Randall & Dewey Ltd
Lafarge Aggregates Ltd
Landmark EAME Ltd
Lynx Information Systems Ltd
Maersk Oil North Sea Ltd
Marathon Oil UK Ltd
Marubeni Oil & Gas UK Ltd
MND Exploration and Production Ltd
Nautical Petroleum Plc
NDA
Neftex Petroleum Consultants 
Nexen Petroleum UK Limited
Noble Energy (Europe) Limited
NPA Group
OMV (UK) Ltd
Ophir Energy Company Ltd
Paras Consulting
Petro-Canada UK Ltd
Petrofac Energy Developments Ltd
PGL
PGS Exploration (UK) Ltd.
Premier Oil Plc
Radioactive Waste Management Directorate of NDA
Ramboll Whitbybird
Rio Tinto Mining & Exploration Ltd
Rock Deformation Research
RWE Dea UK Ltd
Samson North Sea Ltd
Schlumberger Evaluation & Production Services Ltd
Senergy Ltd
Shell UK Exploration and Production Ltd
Statoil (UK) Ltd.
Sterling Energy UK Ltd
Talisman Energy (UK) Ltd
Total E&P UK Plc
Tullow Oil UK Ltd
  Valiant Petroleum Ltd
Venture Production plc