| Sr | Code | Description |
| 1 | EE02 | Security, Safety Surveillance System |
| 2 | EE04 | Low Voltage Installation |
| 3 | EE07 | Telecommunication Installations |
| 4 | EE09 | IT & Software Engg |
| 5 | EE11(iii) | Solar Energy system |
| 6 | 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
|
| 7 | BC04 | General Buildings and Maintenance |
| 8 | CE04(ii) | Irrigation & Flood Control Systems |
| 9 | CE08 | Installation, maintenance and repair of oil and gas pipelines |
| 10 | CE10 | General Civil Engineering Works, Slope Protection System, Concrete Repairs, Soil Investigation and Stabilization, Landscaping & Horticulture, Reclamation Works, General Buildings and Maintenance, Waterproofing |
| 11 | EE01 | Sound System |
| 12 | EE03 | Building Automation System & Energy Generation System |
| 13 | EE06 | Specialized Lighting System |
| 14 | EE08 | External Telecommunication Works |
| 15 | EE10 | Miscellaneous Specialized |
| 16 | EE11(viiii) | General Electronics Works |
| 17 | BC02 | Restoration and Conservation |
| 18 | CE01 | Road and Pavements, Drainage & Retaining Structure, Signcraft Installation |
| 19 | CE04(iv) | Water Retaining Structures |
| 20 | CE09 | Sewerage Works, Water Supply |
| 21 | CE11(vii) | Infrastructure Development Works |
