74.90.Z - Other professional, scientific and technical activities not elsewhere classified
41.10.Z - Realization of building projects related to erection of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
43.12.Z - Site preparation
63.99.Z - Other information service activities not elsewhere classified
64.99.Z - Other financial service activities, except insurance and pension funding n.e.c.
68.20.Z - Rental and operating of own or leased real estate
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
94.99.Z - Activities of other membership organisations n.e.c.