71.12.Z - Engineering activities and related technical consultancy
27.11.Z - Manufacture of electric motors, generators and transformers
27.12.Z - Manufacture of electricity distribution and control apparatus
33.14.Z - Repair and maintenance of electrical equipment
33.20.Z - Installation of industrial machinery and equipment and outfit
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
43.21.Z - Electrical installation
43.29.Z - Other construction installation
71.20.B - Other technical testing and analysis
72.19.Z - Other research and experimental development on natural sciences and engineering
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
