71.12.Z - Engineering activities and related technical consultancy
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
33.12.Z - Repair and maintenance of machinery
33.20.Z - Installation of industrial machinery and equipment
41.20.Z - Building works related to erection of residential and non-residential buildings
43.21.Z - Electrical installation
43.99.Z - Other specialised construction activities n.e.c.
62.01.Z - Computer programming activities
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