71.12.B - Other activities in the field of engineering and related technical consulting
68.12.B - Construction projects related to the erection of non-residential buildings
74.99.Z - All other professional, scientific and technical activities n.e.c.
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
74.14.Z - Other specialised design activities
74.10.Z - Specialised design activities
72.19.Z - Other research and experimental development on natural sciences and engineering
72.10.Z - Research and experimental development on natural sciences and engineering
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
71.11.Z - Architectural activities
68.12.C - Execution of other construction projects
41.00.A - Construction of residential buildings
68.12.A - Construction projects related to the erection of residential buildings
43.29.Z - Other construction installation
43.24.Z - Other construction installation
43.21.Z - Electrical installation
42.22.Z - Construction of utility projects for electricity and telecommunications
41.20.Z - Building works related to erection of residential and non-residential buildings
41.10.Z - Realization of building projects related to erection of buildings
41.00.B - Construction of non-residential buildings
