71.12.Z - Engineering activities and related technical consultancy
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
42.12.Z - Construction of railways and underground railways
42.13.Z - Construction of bridges and tunnels
68.20.Z - Rental and operating of own or leased real estate
70.22.Z - Business and other management consultancy activities
71.11.Z - Architectural activities
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
74.90.Z - Other professional, scientific and technical activities not elsewhere classified