- Pipe fitter/fabricator
- Structural fitter/fabricator
- Vessel & Tank fitter
- Full tig , Tig & Arc welder
- Arc welder
- Saw welder
- MIG Welder
- Rigger, Erector
- Scaffolder
- Sand Blaster
- Spray Painter
- Electrician & Technician
- Instrument technician
- General & Mechanical fitter
- Mechanical technician
- Fire & Hole watcher
- Safety
- Piping & welding foreman, Supervisor, Engineer
- E & I foreman, Supervisor, Engineer
- Masson
- Carpenter
- Steel fixer
- Plumber
- Civil foreman, Supervisor, Engineer