71.12.Z - Engineering activities and related technical consultancy
43.21.Z - Electrical installation
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
74.10.Z - Specialised design activities
71.20.B - Other technical testing and analysis
71.11.Z - Architectural activities
45.20.Z - Maintenance and repair of motor vehicles, excluding motorcycles
43.99.Z - Other specialised construction activities not elsewhere classified
43.39.Z - Other building completion and finishing
43.29.Z - Other construction installation
41.20.Z - Building works related to erection of residential and non-residential buildings
43.13.Z - Test drilling and boring
43.12.Z - Site preparation
43.11.Z - Demolition
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
42.91.Z - Works related to construction of water projects
42.13.Z - Works related to construction of bridges and tunnels
42.12.Z - Works related to construction of railways and underground railways
42.11.Z - Works related to construction of roads and motorways
