42.22.Z - Works related to construction of telecommunications and electricity lines
43.12.Z - Site preparation
81.30.Z - Landscape service activities
78.30.Z - Other human resources provision
49.41.Z - Freight transport by road
46.77.Z - Wholesale of waste and scrap
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
43.32.Z - Joinery installation
43.31.Z - Plastering
43.29.Z - Other construction installation
43.21.Z - Electrical installation
43.13.Z - Test drilling and boring
25.61.Z - Treatment and coating of metals
43.11.Z - Demolition
42.21.Z - Works related to construction of transmission pipelines and distribution networks
33.20.Z - Installation of industrial machinery and equipment and outfit
33.17.Z - Repair and maintenance of other transport equipment
33.16.Z - Repair and maintenance of aircraft and spacecraft
33.15.Z - Repair and maintenance of ships and boats
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
27.90.Z - Manufacture of other electrical equipment
27.12.Z - Manufacture of electricity distribution and control apparatus
25.62.Z - Mechanical working of metal elements