| Advent CGS | Malaysia |
| AIR LIQUIDE HOLDING Co Ltd | P.R. China |
| Alcatel | Malaysia |
| ARCO | Indonesia and Alaska |
| ARIAWEST (US West) | Indonesia |
| Aspec Engineering Pty ltd | Australia |
| AT&T | Singapore |
| Atma Jaya University | Indonesia |
| BAE System | Australia |
| Bakrie Brothers | Indonesia |
| BASF | Malaysia |
| BASF-YPC Co Ltd | P.R. China |
| BP | Indonesia and Alaska |
| CACT Operators Group | P.R. China |
| CALTEX | Australia |
| Caltex Pacific Indonesia | Indonesia |
| Chevron | Singapore |
| Chinese Culture University Taiwan | Taiwan |
| Conoco Phillips | Malaysia, Indonesia |
| Continental Sime Tyre | Malaysia |
| CORROCOAT | Australia |
| Crescent | Australia |
| Dames & Moore | Indonesia |
| Dow Coring (Zangjiagang) C. Ltd | P.R. China |
| DSM Nutritional Products | P.R. China |
| ElectraNet | Australia |
| Ericsson | Indonesia, Kuala Lumpur, Bangkok, Philippines |
| ESC Lille | Paris |
| FLUOR Corporation | CA USA |
| Forio Business Simulation | San Fransisco CA |
| Foster Wheeler | Singapore |
| Freeport McMoran | Indonesia |
| Gadjah Mada University | Indonesia |
| General Motors | Shanghai, Singapore, Bangkok, India, USA, Japan |
| GN ReSound | P.R. China |
| Goldman Sachs | Japan, Hongkong |
| Google | P.R. China |
| GRD Minproc | Australia |
| HESS | Malaysia |
| Hilton | Dubai UEA |
| Holden Auto | Australia |
| HUAWEI | P.R. China |
| Indocement | Indonesia |
| ING | Indonesia |
| Institute Teknologi Bandung | Indonesia |
| Intel China | P.R. China |
| IPS | Singapore |
| isess system | Lebanon |
| Jatis Solution | Indonesia |
| Kaltim Prima Coal | Indonesia |
| Knowles Electronics(Suzhou) | P.R. China |
| Lafarge Semen Andalas | Indonesia |
| Lucent Technologies | Indonesia, Kuala Lumpur, Phillipine |
| M M H E | Malaysia |
| MACMAHON | Australia |
| Marcus Evans | Malaysia |
| Medco E&P | Indonesia |
| Mincom | Indonesia |
| MISC Berhad | Malaysia |
| MMC Oil & Gas Engineering | Malaysia |
| Nacap | Thailand |
| NILSEN | Australia |
| Nokia | Asia Pacific, Europe |
| OGP Technical Service Sdn Bhd | Malaysia |
| Parahyangan University | Indonesia |
| Pertamina | Indonesia |
| Petronas Carigali | Malaysia |
| Petronas Carigali | Malaysia |
| Petronas Gas | Malaysia |
| Powertek Berhad | Malaysia |
| Radio Frequency System (RFS) | CA USA |
| Ranhill Worley | Malaysia |
| Rockwell Automation | Malaysia |
| Sabah Electricity | Malaysia |
| Saipem | Indonesia |
| Schlumberger | Malaysia |
| SCN Lavalin | Indonesia |
| Shanghai BASF Polyurethane | P.R. China |
| Shell | Malaysia |
| SIEMENS | Malaysia, Indonesia |
| Tetrapak/Indolaval | Indonesia |
| Tetrapark | Indonesia |
| TL Offshore | Malaysia |
| Turboservices | Malaysia |
| UN Projects Office | Malaysia |
| University of Tarumanangara | Indonesia |
| Unocal | Bangkok, Indonesia |
| VICO | Indonesia |
| Wiratman & Associates | Indonesia |
| World Bank | Indonesia |
