71.12.B - Other activities in the field of engineering and related technical consulting
37.00.Z - Sewerage
41.00.A - Construction of residential buildings
41.00.B - Construction of non-residential buildings
42.21.Z - Construction of utility projects for fluids
42.99.Z - Construction of other civil engineering projects n.e.c.
43.12.Z - Site preparation
43.22.Z - Plumbing, heat and air-conditioning installation
43.23.Z - Installation of insulation
43.42.Z - Other specialised construction activities in construction of buildings
43.50.Z - Specialised construction activities in civil engineering
43.99.Z - Other specialised construction activities n.e.c.
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
68.12.C - Execution of other construction projects