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
42.21.Z - Works related to construction oftransmission pipelines and distribution networks
42.22.Z - Works related to construction of telecommunications and electricity lines
43 - Specialised construction activities
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
68.10.Z - Buying and selling of own real estate
68.20.Z - Rental and operating of own or leased real estate
77.32.Z - Rental and leasing of construction machinery and equipment