33.20.Z - Installation of industrial machinery and equipment and outfit
42.22.Z - Works related to construction of telecommunications and electricity lines
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
72.19.Z - Other research and experimental development on natural sciences and engineering
71.12.Z - Engineering activities and related technical consultancy
62.01.Z - Computer programming activities
47.91.Z - Retail sale via mail order houses or via internet
47.78.Z - Other retail sale of new goods in specialised stores
46.69.Z - Wholesale of other machinery and equipment
46.14.Z - Agents involved in the sale of machinery, industrial equipment, ships and aircraft
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
25.11.Z - Manufacture of metal structures and parts of structures
42.21.Z - Works related to construction of transmission pipelines and distribution networks
41.20.Z - Building works related to erection of residential and non-residential buildings
33.14.Z - Repair and maintenance of electrical equipment
33.12.Z - Repair and maintenance of machinery
28.93.Z - Manufacture of machinery for food, beverage and tobacco processing
28.29.Z - Manufacture of other general-purpose machinery not elsewhere classified
28.25.Z - Manufacture of industrial cooling and ventilation equipment
27.12.Z - Manufacture of electricity distribution and control apparatus
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
25.62.Z - Mechanical working of metal elements
25.61.Z - Treatment and coating of metals
25.29.Z - Manufacture of other tanks, reservoirs and containers of metal