41.20.Z - Building works related to erection of residential and non-residential buildings
41.10.Z - Realization of building projects related to erection of buildings
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.99.Z - Other specialised construction activities not elsewhere classified
46.63.Z - Wholesale of mining, construction and civil engineering machinery
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.90.Z - Non-specialised wholesale trade
47.52.Z - Retail sale of hardware, paints and glass in specialised stores
47.79.Z - Retail sale of second-hand goods in specialised stores
56.10.A - Restaurants and other eating places
68.10.Z - Buying and selling of own real estate
77.32.Z - Rental and leasing of construction machinery and equipment