| 1. Assembly Services |
| 2. Building, Civil Engineering Works and Consultancy Services |
| 3. Consulting Engineers or Designers |
| 4. Engineering Consultancy, Asset Management |
| 5. Engineering Equipment |
| 6. Engineering Technical Services |
| 7. Machine Builders |
| 8. Machinery, Plant and Equipment |
| 9. Mechanical Contractors |
| 10. Mechanical Engineering Design |