Ericsson	Indonesia, Kuala Lumpur, Bangkok, Philippines
AT&T	Singapore
Nokia	Asia Pacific, Europe
Dames & Moore	Indonesia
UN Projects Office	Malaysia
General Motors	Shanghai, Singapore, Bangkok, India, USA, Japan
Lucent Technologies	Indonesia, Kuala Lumpur, Phillipine
Unocal	Bangkok, Indonesia
IPS	Singapore
Caltex Pacific Indonesia	Indonesia
VICO	Indonesia
Freeport McMoran	Indonesia
Bakrie Brothers	Indonesia
ARIAWEST (US West)	Indonesia
BP	Indonesia and Alaska
ARCO	Indonesia and Alaska
SCN Lavalin	Indonesia
Holden Auto	Australia
Wiratman & Associates	Indonesia
Tetrapak/Indolaval	Indonesia
University of Tarumanangara	Indonesia
Institute Teknologi Bandung	Indonesia
Atma Jaya University	Indonesia
Gadjah Mada University	Indonesia
Parahyangan University	Indonesia
Mincom	Indonesia
ESC Lille	Paris
Pertamina	Indonesia
Petronas Carigali	Malaysia
Shell	Malaysia
Turboservices	Malaysia
MISC Berhad	Malaysia
Powertek Berhad	Malaysia
HESS	Malaysia
BASF	Malaysia
Sabah Electricity	Malaysia
Alcatel	Malaysia
Marcus Evans	Malaysia
SIEMENS	Malaysia, Indonesia
Continental Sime Tyre	Malaysia
Conoco Phillips	Malaysia, Indonesia
Indocement	Indonesia
Lafarge Semen Andalas	Indonesia
Medco E&P	Indonesia
Tetrapark	Indonesia
World Bank	Indonesia
ING	Indonesia
Jatis Solution	Indonesia
Saipem	Indonesia
Goldman Sachs	Japan, Hongkong
Chevron	Singapore
Foster Wheeler	Singapore
Nacap	Thailand
GRD Minproc	Australia
Kaltim Prima Coal	Indonesia
BAE System	Australia
Hilton	Dubai UEA
CALTEX	Australia
ElectraNet	Australia
Rockwell Automation	Malaysia
TL Offshore	Malaysia
Petronas Gas	Malaysia
Petronas Carigali	Malaysia
Ranhill Worley	Malaysia
OGP Technical Service Sdn Bhd	Malaysia
CORROCOAT	Australia
M M H E	Malaysia
Crescent	Australia
Advent CGS	Malaysia
MACMAHON	Australia
Schlumberger	Malaysia
Aspec Engineering Pty ltd	Australia
MMC Oil & Gas Engineering	Malaysia
NILSEN	Australia