71.12.B - Other activities in the field of engineering and related technical consulting
41.20.Z - Building works related to erection of residential and non-residential buildings
42.11.Z - Construction of roads and motorways
42.21.Z - Construction of utility projects for fluids
42.22.Z - Construction of utility projects for electricity and telecommunications
42.91.Z - Construction of water projects
42.99.Z - Construction of other civil engineering projects n.e.c.
43.11.Z - Demolition
43.12.Z - Site preparation
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
71.11.Z - Architectural activities
74.10.Z - Specialised design activities
74.14.Z - Other specialised design activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
74.99.Z - All other professional, scientific and technical activities n.e.c.