71.12.Z - Engineering activities and related technical consultancy
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
33.20.Z - Installation of industrial machinery and equipment
70.22.Z - Business and other management consultancy activities
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
72.19.Z - Other research and experimental development on natural sciences and engineering
72.20.Z - Research and experimental development on social sciences and humanities
73.20.Z - Market research and public opinion polling
74.10.Z - Specialised design activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
