71.11.Z - Architectural activities
43.21.Z - Electrical installation
71.12.Z - Engineering activities and related technical consultancy
68.20.Z - Rental and operating of own or leased real estate
68.10.Z - Buying and selling of own real estate
46.77.Z - Wholesale of waste and scrap
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
43.99.Z - Other specialised construction activities not elsewhere classified
43.91.Z - Roofing activities
43.39.Z - Other building completion and finishing
43.34.Z - Painting and glazing
43.33.Z - Floor and wall covering
43.32.Z - Joinery installation
43.31.Z - Plastering
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
25.11.Z - Manufacture of metal structures and parts of structures
43.13.Z - Test drilling and boring
43.12.Z - Site preparation
43.11.Z - Demolition
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
42.13.Z - Works related to construction of bridges and tunnels
42.12.Z - Works related to construction of railways and underground railways
42.11.Z - Works related to construction of roads and motorways
41.20.Z - Building works related to erection of residential and non-residential buildings
41.10.Z - Realization of building projects related to erection of buildings
33.11.Z - Repair and maintenance of fabricated metal products
25.62.Z - Mechanical working of metal elements
25.61.Z - Treatment and coating of metals
25.12.Z - Manufacture of metal elements of building woodwork
