42.22.Z - Construction of utility projects for electricity and telecommunications
43.50.Z - Specialised construction activities in civil engineering
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods n.e.c.
77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment
74.99.Z - All other professional, scientific and technical activities n.e.c.
71.12.Z - Engineering activities and related technical consultancy
71.12.B - Other activities in the field of engineering and related technical consulting
71.11.Z - Architectural activities
43.99.Z - Other specialised construction activities n.e.c.
43.91.Z - Masonry and bricklaying activities
18.12.Z - Other printing
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
43.13.Z - Test drilling and boring
43.12.Z - Site preparation
43.11.Z - Demolition
42.11.Z - Construction of roads and motorways
33.14.Z - Repair and maintenance of electrical equipment