| Organization |
Location |
| ABB Offshore Systems | UK |
| Advanced Geotechnology | Canada |
| ARCO | USA |
| Baker Oil Tools | USA |
| BP | UK |
| Centre for Integrated Petroleum Research | Norway |
| Chinese Academy of Sciences | China |
| CNR | Italy |
| Conoco Phillips | USA |
| ENEL | Italy |
| EON Ruhrgas | Germany |
| ESSO | USA |
| ETHZ | Switzerland |
| Exxon Mobil | USA |
| Forschungszentrum Julich | Germany |
| Gas Research Institute | USA |
| Geoscience Limited | UK |
| Hughes Christensen | USA |
| Institut Francais du Petrole | France |
| Institute of Applied Geosciences | Netherlands |
| Ishikawajima-Harima | Japan |
| Japan Petroleum Exploration | Japan |
| Norges Geotekniske Institutt | Norway |
| Norsk Hydro | Norway |
| Petrobras | Brasil |
| Pipeline Engineering GmbH | Germany |
| Shell | Netherlands |
| Schlumberger | USA |
| Sintef | Finland |
| Statoil | Norway |
| Syncrude | Canada |
| Tokyo Gas | Japan |
| Total FINA ELF | France |
| Toyo Engineering | Japan |
| University of Alaska | USA |