42.11.Z - Construction of roads and motorways
33.14.Z - Repair and maintenance of electrical equipment
41.00.A - Construction of residential buildings
41.00.B - Construction of non-residential buildings
41.10.Z - Realization of building projects related to erection of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
42.21.Z - Construction of utility projects for fluids
43.12.Z - Site preparation
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.24.Z - Other construction installation
43.29.Z - Other construction installation
43.35.Z - Other building completion and finishing
43.39.Z - Other building completion and finishing
43.99.Z - Other specialised construction activities n.e.c.
68.12.A - Construction projects related to the erection of residential buildings