71.12.Z - Engineering activities and related technical consultancy
46.69.Z - Wholesale of other machinery and equipment
46.90.Z - Non-specialised wholesale trade
47.91.Z - Intermediation service activities for non-specialised retail sale
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
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods n.e.c.
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works