42.21.Z - Works related to construction of transmission pipelines and distribution networks
43.12.Z - Site preparation
80.20.Z - Security systems service activities
71.12.Z - Engineering activities and related technical consultancy
71.11.Z - Architectural activities
49.41.Z - Freight transport by road
43.99.Z - Other specialised construction activities not elsewhere classified
43.33.Z - Floor and wall covering
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
02.40.Z - Service activity related to forestry
43.11.Z - Demolition
42.22.Z - Works related to construction of telecommunications and electricity lines
41.20.Z - Building works related to erection of residential and non-residential buildings
33.20.Z - Installation of industrial machinery and equipment and outfit
33.14.Z - Repair and maintenance of electrical equipment
23.69.Z - Manufacture of other articles of concrete, plaster and cement
23.63.Z - Manufacture of ready-mixed concrete
23.61.Z - Manufacture of concrete products for construction purposes