43.22.Z - Plumbing, heat and air-conditioning installation
33.12.Z - Repair and maintenance of machinery
35.30.Z - Steam and air conditioning supply
43.12.Z - Site preparation
43.21.Z - Electrical installation
43.24.Z - Other construction installation
43.35.Z - Other building completion and finishing
43.42.Z - Other specialised construction activities in construction of buildings
43.50.Z - Specialised construction activities in civil engineering
46.83.Z - Wholesale of wood, construction materials and sanitary equipment
46.84.Z - Wholesale of hardware, plumbing and heating equipment and supplies
46.87.Z - Wholesale of waste and scrap
46.90.Z - Non-specialised wholesale trade
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
68.20.Z - Rental and operating of own or leased real estate
71.12.B - Other activities in the field of engineering and related technical consulting