71.12.Z - Engineering activities and related technical consultancy
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
26.60.Z - Manufacture of irradiation, electromedical and electrotherapeutic equipment
26.70.Z - Manufacture of optical instruments, magnetic and optical media and photographic equipment
33.13.Z - Repair and maintenance of electronic and optical equipment
46 - Wholesale trade
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
74.10.Z - Specialised design activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
