- Centre for Management Development (CMD) (formerly known as MINDEF Centre for Management Development) for 7 years
- Housing and Development Board (HDB) for 5 years
- Singapore Land Authority (SLA)
- National Environment Agency (NEA)
- Civil Aviation Authority of Singapore (CAAS)
- Institute of Technical Education (ITE)
- York Hotel
- Goodwood Park Hotel
- Sam Woh Corporation Pte Ltd
- SembCorp Marine Limited
- Tricor Singapore Pte Ltd
- Achieva Pte Ltd
- Trico Global
- DNV Energy Pte Ltd
- Yayasan Mendaki
- National Institue of Education
- Singapore Infocomm Technology Federation
- DSO National Laboratories
- and others...