| Gibca Petroleum Services (GIBCA Group) |
| GL Noble Denton |
| Global Process Systems LLC |
| Globat Maritime |
| Halcrow International Partnership |
| Hard Precast Buidling Systems |
| Industrial Support SVCS Co. Ltd |
| International Trading Circle LLC |
| ISS International SRL Abud Dhabi |
| J P Kenny (Abu Dhabi) Ltd. |
| Kellogg Brown & Root |
| Koltay Facades |
| Lahmeyer International GMBH |
| Mazroui Supplies, Contracts & Maintenance Est. |
| Metito |
| M-I Gulf Services LLC |
| Middle East Energy & Industrial Services Company LLC (MEISCO) |
| Mott Macdonald Ltd |
| Norr Group Consultants International Ltd |
| NSCC International Limited |
| OES Oilfield Services Group |
| Petronash FZE |
| Proline Engineering Consultants |
| Rj Engineering Systems Inc. |
| Spie Oil & Gas Services Middle East. L.L.C |
| Target Engineering Construction Co. |
| Tecton Engineering & Construction LLC |
| Thinet International |
| Toledo Electrical & Mechanical Works Company – L L C |
| Vibrant Electromechanical Services LLC |
| Voith Middle Est FZE |
| Worklogix Middle East LLC |
