- Health and Safety Executive, UK
- Institution of Occupational Safety and Health (IOSH),UK
- NEBOSH, UK
- The International Marine Contractors Association (IMCA)
- International Register of Certified Auditors, UK
- International Labour Organization (ILO)
- Workplace Safety and Health Council (WSHC), Singapore
- Occupational Safety and Health Administrator, USA
- Worksafe Victoria, Australia
- Ministry of Manpower, Singapore
- The International Association of Oil & Gas Producers (OGP)
- Flinders Practice Pte Ltd, Singapore
- Alexandra Hospital, Singapore
- HSE Diving Information Sheets
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