1. Carpentry
2. Masonry
3. Concrete Work
4. Steel Erection
5. Plumbing
6. Electrical Work
7. Painting and Decorating
8. Roofing
9. Flooring
10. Plastering and Drywall Installation
11. Tiling
12. Glazing (Windows and Glass Installation)
13. Welding and Metal Fabrication
14. Landscaping
15. HVAC (Heating, Ventilation, and Air Conditioning)
16. Excavation and Earthmoving
17. Paving
18. Scaffolding
19. Insulation Installation
20. Demolition

These trades encompass a wide range of skills and specialties essential for constructing and maintaining buildings and infrastructure.