71.12.Z - Engineering activities and related technical consultancy
43.29.Z - Other construction installation
85.60.Z - Educational support activities
85.59.B - Other out-of-school forms of education, not elsewhere classified
81.30.Z - Landscape service activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
74.10.Z - Specialised design activities
72.19.Z - Other research and experimental development on natural sciences and engineering
71.20.B - Other technical testing and analysis
43.99.Z - Other specialised construction activities not elsewhere classified
43.39.Z - Other building completion and finishing
41.20.Z - Building works related to erection of residential and non-residential buildings
43.22.Z - Plumbing, heat and air-conditioning installation
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
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.11.Z - Works related to construction of roads and motorways