Hewlett Packard Singapore Pte Ltd (world-wide)
Celestical Pte Ltd (world-wide)
Siemens Pte Ltd (world-wide)
Amtek Engineering Ltd (Singapore)
Venture Corporation Ltd (Singapore / Malaysia)
Singapore Technologies - Ordnance Development Engineering Pte Ltd
Fu Yu Corporation Ltd (world-wide)
Fischer Tech Ltd (world-wide)
Sunningdale Group Ltd (world-wide)
Chosen Holdings Ltd (world-wide)
Summit Engineering Center Co, Ltd (Thailand)
Toyota Manufacturing Corporation (China)
Shanghai General Motor Corporation (China)