- Welders
- Fabricators
- Duct man
- Electrician
- Insulator
- Pipe Fitter
- Plumbers
- Glass Fitters
- Scaffolders
- Time Keepers
- Skilled Helpers
- Ordinary Helpers
- Riggers
- Grinders
- Painters
- Masons
- Carpenters
- Steel Fixers
- Heavy duty drivers
- Light duty drivers
- Store keepers