| Sr | Code | Description |
| 1 | CE08 | Installation, maintenance and repair of oil and gas pipelines. |
| 2 | CE09 | Sewerage Works, Water Supply. |
| 3 | CE10 | General Civil Engineering Works, Slope Protection System, Concrete Repairs, Soil Investigation and Stabilization, Landscaping & Horticulture, Reclamation Works, General Buildings and Maintenance, Waterproofing. |
| 4 | CE01 | Road and Pavements, Drainage & Retaining Structure, Signcraft Installation. |
| 5 | BC01 | Construction of buildings and industrial plants using prefabricated components and systems. Construction of steel framed buildings and industrial plants. Airports Terminal buildings, Satellite buildings, cargo terminals, air traffic control towers, contact piers, passenger loading bridges . |
| 6 | BC02 | Building restoration and conservation |
| 7 | CE04(ii) | Irrigation & Flood Control Systems |
| 8 | CE04(iv) | Water Retaining Structures |
| 9 | CE11(i) | General engineering Works only |
| 10 | CE11(vii) | Infrastructure Development Works |
| 11 | CE11(ix) | General Building Works |
