33.20.Z - Installation of industrial machinery and equipment and outfit
25.61.Z - Treatment and coating of metals
25.62.Z - Mechanical working of metal elements
27.12.Z - Manufacture of electricity distribution and control apparatus
27.90.Z - Manufacture of other electrical equipment
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
42.21.Z - Works related to construction of transmission pipelines and distribution networks
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.32.Z - Joinery installation
43.39.Z - Other building completion and finishing
43.99.Z - Other specialised construction activities not elsewhere classified
71.12.Z - Engineering activities and related technical consultancy
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
