23.61.Z - Manufacture of concrete products for construction purposes
41.20.Z - Building works related to erection of residential and non-residential buildings
42.11.Z - Works related to construction of roads and motorways
42.21.Z - Works related to construction of transmission pipelines and distribution networks
43.33.Z - Floor and wall covering
43.99.Z - Other specialised construction activities not elsewhere classified
45.20.Z - Maintenance and repair of motor vehicles, excluding motorcycles
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
52.21.Z - Service activities incidental to land transportation
68.20.Z - Rental and operating of own or leased real estate
81.29.Z - Other cleaning activities