43.21.Z - Electrical installation
33.19.Z - Repair and maintenance of other equipment
43.39.Z - Other building completion and finishing
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.13.Z - Test drilling and boring
43.12.Z - Site preparation
43.11.Z - Demolition
42.22.Z - Works related to construction of telecommunications and electricity lines
41.20.Z - Building works related to erection of residential and non-residential buildings
41.10.Z - Realization of building projects related to erection of buildings
33.20.Z - Installation of industrial machinery and equipment and outfit
25.11.Z - Manufacture of metal structures and parts of structures
33.14.Z - Repair and maintenance of electrical 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
27.40.Z - Manufacture of electric lighting equipment
26.12.Z - Manufacture of electronic printed circuits
26.11.Z - Manufacture of electronic components
25.62.Z - Mechanical working of metal elements
25.61.Z - Treatment and coating of metals