68.12.C - Execution of other construction projects
41.00.A - Construction of residential buildings
41.00.B - Construction of non-residential buildings
42.13.Z - Construction of bridges and tunnels
42.22.Z - Construction of utility projects for electricity and telecommunications
43.21.Z - Electrical installation
43.42.Z - Other specialised construction activities in construction of buildings
43.50.Z - Specialised construction activities in civil engineering
68.11.Z - Buying and selling of own real estate
68.12.A - Construction projects related to the erection of residential buildings
68.12.B - Construction projects related to the erection of non-residential buildings
71.12.B - Other activities in the field of engineering and related technical consulting
71.20.C - Other technical research and analyses
72.10.Z - Research and experimental development on natural sciences and engineering