| ABB |
Lloyds Register |
| AEA Technology |
Maersk Olie og Gas as |
| AES Andres |
Marathon Oil |
| Agip KCO |
MARIN |
| Aker Marine Contractors |
Marlow Ropes |
| Aker Stord |
McDermott Marine Construction |
| Alstom Energy |
Modec |
| Alstom Power |
Mustang Engineering |
| Amclyde |
MW Consultants |
| AMEC |
Nexen |
| Amerada Hess |
Noble Denton |
| Arup Energy |
Norsk Hydro |
| Atkins |
Oceaneering |
| Atlantia Offshore |
ode |
| Ballast Nedam |
Orcina |
| BG Tunisia |
OSG |
| BP UK |
Petrobras |
| BP Shipping |
Petrofac - London |
| BP America |
Petrofac - Sharjah |
| Bureau Veritas |
PTTEP |
| CAA |
Saipem |
| Chevron |
Samsung Heavy Industries |
| ConocoPhillips |
Scanrope |
| Cortland PSR |
Shell |
| Cuulong Joint Operating Company |
SLP Engineering |
| DSM High Performance Fibres |
SMOE |
| Enersea Transport LLC |
Sparrow Offshore |
| ENI Agip |
Statoil |
| ExxonMobil |
Stolt Offshore |
| Foster Wheeler |
Subsea 7 |
| Fugro |
Talisman |
| Gupco JV |
Technip |
| GVA Consultants |
Tecnomare |
| Harland and Wolff |
Total |
| Hyundai Heavy Industries |
Trident Offshore Ltd. |
| International Maratime Consultants |
UK Health and Safety Executive (HSE) |
| KBR - London |
Wood Group Energy |
| KBR - Singapore |
Woodside Energy |
| KBR - Houston |
Worley Parsons - Abu Dhabi |
| Kerr McGee |
Worley Parsons - London |
| Kvaerner Oil and Gas |
WS Atkins |