42.11.Z - Works related to construction of roads and motorways
43.31.Z - Plastering
81.29.Z - Other cleaning activities
81.21.Z - General cleaning of buildings
77.32.Z - Rental and leasing of construction machinery and equipment
52.21.Z - Service activities incidental to land transportation
49.41.Z - Freight transport by road
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.13.Z - Agents involved in the sale of timber and building materials
43.99.Z - Other specialised construction activities not elsewhere classified
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
25.11.Z - Manufacture of metal structures and parts of structures
43.22.Z - Plumbing, heat and air-conditioning installation
43.12.Z - Site preparation
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
42.91.Z - Works related to construction of water projects
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.12.Z - Works related to construction of railways and underground railways
41.20.Z - Building works related to erection of residential and non-residential buildings
37.00.Z - Sewage disposal and treatment
33.12.Z - Repair and maintenance of machinery
33.11.Z - Repair and maintenance of fabricated metal products
25.12.Z - Manufacture of metal elements of building woodwork
