43.22.Z - Plumbing, heat and air-conditioning installation
42.11.Z - Works related to construction of roads and motorways
49.41.Z - Freight transport by road
43.99.Z - Other specialised construction activities not elsewhere classified
43.91.Z - Roofing activities
43.31.Z - Plastering
43.29.Z - Other construction installation
43.21.Z - Electrical installation
43.12.Z - Site preparation
43.11.Z - Demolition
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
42.22.Z - Works related to construction of telecommunications and electricity lines
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.13.Z - Works related to construction of bridges and tunnels
42.12.Z - Works related to construction of railways and underground railways
25.11.Z - Manufacture of metal structures and parts of structures
41.20.Z - Building works related to erection of residential and non-residential buildings
35.30.Z - Steam, hot water and air conditioning manufacturing and supply
33.20.Z - Installation of industrial machinery and equipment and outfit
33.19.Z - Repair and maintenance of other equipment
33.14.Z - Repair and maintenance of electrical equipment
33.13.Z - Repair and maintenance of electronic and optical equipment
33.12.Z - Repair and maintenance of machinery
33.11.Z - Repair and maintenance of fabricated metal products
25.62.Z - Mechanical working of metal elements
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