43.21.Z - Electrical installation
27.40.Z - Manufacture of electric lighting equipment
33.12.Z - Repair and maintenance of machinery
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
42.22.Z - Works related to construction of telecommunications and electricity lines
43.11.Z - Demolition
43.12.Z - Site preparation
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.39.Z - Other building completion and finishing
71.12.Z - Engineering activities and related technical consultancy
80.20.Z - Security systems service activities
82.99.Z - Other business support service activities not elsewhere classified
95.11.Z - Repair and maintenance of computers and peripheral equipment
