43.12.Z - Site preparation
41.20.Z - Building works related to erection of residential and non-residential buildings
42.11.Z - Works related to construction of roads and motorways
42.21.Z - Works related to construction of transmission pipelines and distribution networks
43.13.Z - Test drilling and boring
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.39.Z - Other building completion and finishing
43.99.Z - Other specialised construction activities not elsewhere classified
70.22.Z - Business and other management consultancy activities
71.12.Z - Engineering activities and related technical consultancy
71.20.B - Other technical testing and analysis
74.10.Z - Specialised design activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods not elsewhere classified
