| 1. Assembly Services |
| 2. Building, Civil Engineering Works and Consultancy Services |
| 3. Consulting Engineers or Designers |
| 4. Engineering Technical Services |
| 5. Fabrication Machining Services, to Specification |
| 6. Fabrications, Plate Working, Light |
| 7. Mechanical Contractors |
| 8. Mechanical Engineering Design |
| 9. Metallurgical and Engineering Services |
| 10. Stainless Steel Fabrications, Light Structural |