42.11.Z - Construction of roads and motorways
23.61.Z - Manufacture of concrete products for construction purposes
23.66.Z - Manufacture of other articles of concrete, cement and plaster
23.70.B - Production of other stone products, as well as cutting, shaping, and finishing of stone
25.53.Z - Machining of metals
33.12.Z - Repair and maintenance of machinery
42.13.Z - Construction of bridges and tunnels
42.21.Z - Construction of utility projects for fluids
42.22.Z - Construction of utility projects for electricity and telecommunications
42.91.Z - Construction of water projects
42.99.Z - Construction of other civil engineering projects n.e.c.
43.11.Z - Demolition
43.12.Z - Site preparation
43.13.Z - Test drilling and boring
43.22.Z - Plumbing, heat and air-conditioning installation
43.32.Z - Joinery 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
43.99.Z - Other specialised construction activities n.e.c.
46.90.Z - Non-specialised wholesale trade
68.11.Z - Buying and selling of own real estate
68.12.C - Execution of other construction projects
71.12.B - Other activities in the field of engineering and related technical consulting
77.11.Z - Rental and leasing of passenger cars and light motor vehicles, including motorcycles
77.12.Z - Rental and leasing of trucks
77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment