71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
42.99.Z - Construction of other civil engineering projects n.e.c.
43.13.Z - Test drilling and boring
62.01.Z - Computer programming activities
62.02 - Computer consultancy activities
71.12.Z - Engineering activities and related technical consultancy
72.19.Z - Other research and experimental development on natural sciences and engineering
74.10.Z - Specialised design activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified