| Abu Dhabi Gas Industries Limited (GASCO) |
UAE |
| Abu Dhabi National Oil Company (ADNOC) |
UAE |
| AGIP KCO |
Kazakhstan |
| Aker KvaErner |
Norvey |
| Bechtel |
Saudi Arabia |
| Chiyoda Corporation |
Japan |
| Comart Spa ( Tozzi) |
Italy |
| Daelim Industrial CO |
korea |
| Daewoo E&C |
Korea |
| ENI S.p.a. |
Italy |
| GS Engineering |
korea |
| Hanwha Engineering & Construction |
korea |
| Hyunday Engineering CO |
korea |
| Ilsung Special Valve CO |
korea |
| JGC Corporation |
Japan |
| Kuwait National Petroleum Company (K.N.P.C.) |
Kuwait |
| Kuwait Oil Company (K.O.C.) |
Kuwait |
| Larsen & Toubro Limited |
India |
| Maire Tecnimont |
Italy |
| McDermott Midlle East Inc. |
UAE |
| Middle East Petroleum Services LLC |
Oman |
| National Petroleum Construction Company (N.P.C.C.) |
UAE |
| Petrofac International |
UAE |
| Petroleum Development Oman (PDO) |
Oman |
| Petronas |
Malesya |
| Qatar Gas |
Qatar |
| Rasgas Company Limited |
Qatar |
| Repsol |
Spain |
| Rosetti Marino Spa |
Italy |
| Sabic |
Saudi Arabia |
| Saipem S.p.a |
Italy |
| Samsung |
korea |
| Saudi Aramco |
Saudi Arabia |
| Silvani s.r.l. / Eusebi Impianti |
Italy |
| Single Buoy Moorings Inc. |
Switzerland |
| Sinopec International Petroleum Service |
China |
| SK Engineering |
korea |
| Snamprogetti Saudi Arabia |
Saudi Arabia |
| SNC Lavalin |
Canada |
| Sonatrach |
Algeria |
| Takreer - Oil Refinery Company |
UAE |
| Techint Company |
Italy |
| Technip |
France |
| Tecnicas Reunidas S.A. |
Spain |
| Total |
France |
| Transmark |
Holland |
| Tyco fire & security S.p.a. |
France / UK |
| Worley Parsons |
Australia |
| Zadco |
UAE |
