Oil & Gas
- Shell Pandan
- ExxonMobil Singapore
- Caltex Singapore
- Prosafe
Petrochemicals
- Chemical Industries FE
- Chevron Oronite Singapore
- Chevron Phillips
- Lipico Technologies
Pharmaceuticals
- MSD (Schering Plough)
- GlaxoSmithKline
- Sanofi
- Wyeth
Power & Utilities
- Tuas Power
- Seraya Power
- Senoko Power
- Sembcorp Utilities
Others
- Public Utilities Board
- Linde Syngas
- ST Microelectronics