| 7110704 | Tunnels & Bridges Engineering Services | Other engineering services | Professional | |
| 7110706 | Road & Traffic Engineering Services | Other engineering services | Professional | |
| 7110709 | Airports Engineering Services | Other engineering services | Professional | |
| 7110711 | Railway Development Engineering Services | Consultancy -B- Engineering | Professional | |
| 7110712 | Vertical & Horizontal Transportation Systems Consultant | Consultancy –Technical | Professional | |
| 7110713 | Noise Control, Vibration & Acoustics Consultancy | Consultancy -B- Engineering | Professional | |
| 7110901 | Engineering Surveying Services | Other engineering services | Professional | |
| 7110907 | Structural Quantity Surveying Engineering Services | Consultancy -B- Engineering | Professional | |
| 7110908 | Projects Management Engineering & Technical Feasibility Studies Services | Consultancy -B- Engineering | Professional | |
| 7110910 | Environmental Engineering Services | Other engineering services | Professional | |
| 7110911 | Ship Engineering Services | Other engineering services | Professional | |
| 7110912 | Meteorology Engineering Consultancy | Consultancy -B- Engineering | Professional | |
| 7110916 | Foundations & Soil Mechanics Engineering Services | Other engineering services | Professional | |
| 7110918 | Archeological Restoration & Conservation Engineering Services | Other engineering services | Professional | |
| 7110923 | Power & Automatic Control Engineering Services | Other engineering services | Professional | |
| 7110924 | Electronic Engineering Services | Other engineering services | Professional | |
| 7110925 | Industrial Production Engineering Services | Other engineering services | Professional | |
| 7110926 | Building Mechanical Engineering Services | Other engineering services | Professional | |
| 7110927 | Hydraulic Engineering Services | Other engineering services | Professional | |
| 7110928 | Aeronautical Engineering Services | Other engineering services | Professional | |
