| Sr | Code | Description |
| 1 | BC02 | Building restoration and conservation |
| 2 | CE01 | Road and Pavements, Drainage & Retaining Structure, Signcraft Installation. |
| 3 | CE09 | Sewerage Works, Water Supply. |
| 4 | CE11(i) | General engineering Works only |
| 5 | CE11(ix) | General Building Works |
| 6 | EE01 | Sound System |
| 7 | EE03 | Building Automation System & Energy Generation System |
| 8 | EE06 | Specialized Lighting System |
| 9 | EE08 | External Telecommunication Works |
| 10 | EE10 | Miscellaneous Specialized |
| 11 | EE11(ii) | Solar Energy |
| 12 | EE11(vi) | Solar Installation |
| 13 | EE11(viii) | Wind and Solar Energy |
| 14 | EE11(xix) | For renewable energy works only |
| 15 | EE11(xvii) | Solar Works |
| 16 | EE11(xxv) | Solar Power |
| 17 | ME02 | Installation,
commissioning and
maintenance of fire
detection, alarm &
suppression system,
and its allied
equipment. |
| 18 | ME05 | Workshop, Mill, Quarry System |
| 19 | ME07(ix) | TG set |
| 20 | ME07(x) | auto Door & Gates |
| 21 | CE02 | Bridge Structures, Piling. |
| 22 | CE06 | Tunneling and underpinning works |
| 23 | ME03 | Lifts and Escalators Compressor Generators |
| 24 | 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 . |
| 25 | BC04 | General Buildings and Maintenance |
| 26 | CE08 | Installation, maintenance and repair of oil and gas pipelines. |
| 27 | CE10 | General Civil Engineering Works, Slope Protection System, Concrete Repairs, Soil Investigation and Stabilization, Landscaping & Horticulture, Reclamation Works, General Buildings and Maintenance, Waterproofing. |
| 28 | CE11(iv) | FOR LIGHT GUAGE PRE-ENGINEERING GALVANIZED STEEL STRUCTURES ONLY |
| 29 | CE11(vii) | Infrastructure Development Works |
| 30 | EE02 | Security, Safety Surveillance System |
| 31 | EE04 | Low Voltage Installation |
| 32 | EE07 | Telecommunication Installations |
| 33 | EE09 | IT & Software Engg |
| 34 | EE11(i) | Solar |
| 35 | EE11(iii) | Solar Energy system |
| 36 | EE11(vi) | General Electrical Works Only |
| 37 | EE11(vv) | Installation of Solar Power LED Street Lighting System |
| 38 | EE11(xvi) | For Power Houses-Electrical Works |
| 39 | EE11(xxiv) | Digital Signal Processing, Transmission and Surveillance System |
| 40 | ME01 | Installation, Commissioning maintenance and repairs of air conditioning, refrigeration, cold rooms and ventilation system. Construction of steel framed buildings and industrial plants. Airports Terminal buildings, Satellite buildings, cargo terminals, air traffic control towers, contact piers, passenger loading bridges . |
| 41 | ME04 | Building Automation System |
| 42 | ME06 | Specialized Fabrication and Treatment, Medical Equipment, Kitchen and Laundry Equipment, Heat Recovery System, Pollution Control System, Miscellaneous Mechanical Equipment, Chiller for Power Generation, Specialized Plant |
| 43 | ME07(v) | General Mechanical Works only |
| 44 | BC03 | High Rise Buildings |
| 45 | CE04 | Dams/Water Retaining Structures and Irrigation & Flood Control Systems |
| 46 | EE05 | High Voltage Installation |
