71.12.Z - Engineering activities and related technical consultancy
43.91.Z - Roofing activities
77.32.Z - Rental and leasing of construction machinery and equipment
77.12.Z - Rental and leasing of other motor vehicle, excluding motorcycles
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
71.11.Z - Architectural activities
68.20.Z - Rental and operating of own or leased real estate
49.41.Z - Freight transport by road
47.91.Z - Retail sale via mail order houses or via internet
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.72.Z - Wholesale of metals and metal ores
46.13.Z - Agents involved in the sale of timber and building materials
43.99.Z - Other specialised construction activities not elsewhere classified
41.20.Z - Building works related to erection of residential and non-residential buildings
43.39.Z - Other building completion and finishing
43.34.Z - Painting and glazing
43.33.Z - Floor and wall covering
43.32.Z - Joinery installation
43.31.Z - Plastering
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
43.12.Z - Site preparation
43.11.Z - Demolition
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
42.11.Z - Works related to construction of roads and motorways
