74.90.Z - Other professional, scientific and technical activities not elsewhere classified
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.22.Z - Works related to construction of telecommunications and electricity lines
43.22.Z - Plumbing, heat and air-conditioning installation
43.39.Z - Other building completion and finishing
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
49.41.Z - Freight transport by road
68.10.Z - Buying and selling of own real estate
68.20.Z - Rental and operating of own or leased real estate
71.12.Z - Engineering activities and related technical consultancy
77.32.Z - Rental and leasing of construction machinery and equipment
