Skilled Workers:
- Electricians
- Air-con Workers
- Plumbers
- Carpenters
- Welders (3G - 6G)
- Pipe Fitters
- Riggers & Signalmen
- Excavator Operators
- Drivers
- Brick Layers
- Tilers
- Plasterers
- Formwork Carpenters
- Scaffolding Workers
- Painters
- Lifting / Safety Supervisors
- Foremen / Supervisors
- General Workers
* Ex-Singapore or Newly-Passed trade test workers

Technical Personnel:
- Site Engineers
- Electrical Engineers
- Mechanical Engineers
- M&E Technicians
- E&I Technicians
- Draftsmen
- Quantity Surveyors
- Mechanics
- Machinists