74.10.Z - Specialised design activities
43.21.Z - Electrical installation
41.10.Z - Realization of building projects related to erection of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
42.11.Z - Works related to construction of roads and motorways
42.12.Z - Works related to construction of railways and underground railways
42.13.Z - Works related to construction of bridges and tunnels
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.22.Z - Works related to construction of telecommunications and electricity lines
42.91.Z - Works related to construction of water projects
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.11.Z - Demolition
43.12.Z - Site preparation
43.13.Z - Test drilling and boring
33.20.Z - Installation of industrial machinery and equipment and outfit
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.31.Z - Plastering
43.32.Z - Joinery installation
43.33.Z - Floor and wall covering
43.34.Z - Painting and glazing
43.39.Z - Other building completion and finishing
43.91.Z - Roofing activities
43.99.Z - Other specialised construction activities not elsewhere classified
71.11.Z - Architectural activities
71.12.Z - Engineering activities and related technical consultancy
28.41.Z - Manufacture of metal forming machinery
28.12.Z - Manufacture of fluid power equipment
28.13.Z - Manufacture of other pumps and compressors
28.14.Z - Manufacture of other taps and valves
28.15.Z - Manufacture of bearings, gears, gearing and driving elements
28.21.Z - Manufacture of ovens, furnaces and furnace burners
28.22.Z - Manufacture of lifting equipment and gripping devices
28.23.Z - Manufacture of office machinery and equipment, except computers and peripheral equipment
28.24.Z - Manufacture of power-driven hand tools
28.25.Z - Manufacture of industrial cooling and ventilation equipment
28.29.Z - Manufacture of other general-purpose machinery not elsewhere classified
28.30.Z - Manufacture of agricultural and forestry machinery
28.11.Z - Manufacture of engines and turbines, except aircraft, vehicle and cycle engines
28.49.Z - Manufacture of other mechanical tools
28.91.Z - Manufacture of machinery for metallurgy
28.92.Z - Manufacture of machinery for mining, quarrying and construction
28.93.Z - Manufacture of machinery for food, beverage and tobacco processing
28.94.Z - Manufacture of machinery for textile, apparel and leather production
28.95.Z - Manufacture of machinery for paper and paperboard production
28.96.Z - Manufacture of machinery for working rubber or plastics and for manufacture of the articles from these materials
28.99.Z - Manufacture of other special-purpose machinery not elsewhere classified
33.12.Z - Repair and maintenance of machinery
33.14.Z - Repair and maintenance of electrical equipment
33.19.Z - Repair and maintenance of other equipment
