42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
42.21.Z - Works related to construction of transmission pipelines and distribution networks
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
43.39.Z - Other building completion and finishing
43.34.Z - Painting and glazing
43.32.Z - Joinery installation
43.31.Z - Plastering
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
43.12.Z - Site preparation
43.11.Z - Demolition
42.91.Z - Works related to construction of water projects
42.22.Z - Works related to construction of telecommunications and electricity lines
25.11.Z - Manufacture of metal structures and parts of structures
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
33.20.Z - Installation of industrial machinery and equipment and outfit
33.19.Z - Repair and maintenance of other equipment
33.12.Z - Repair and maintenance of machinery
33.11.Z - Repair and maintenance of fabricated metal products
25.29.Z - Manufacture of other tanks, reservoirs and containers of metal
25.21.Z - Manufacture of central heating radiators and boilers
25.12.Z - Manufacture of metal elements of building woodwork
