08.12.Z - Operation of gravel and sand pits and mining of clay and kaolin
09.90.Z - Support activities for other mining and quarrying
23.61.Z - Manufacture of concrete products for construction purposes
23.62.Z - Manufacture of plaster products for construction purposes
23.63.Z - Manufacture of ready-mixed concrete
23.64.Z - Manufacture of mortars
23.65.Z - Manufacture of fibre cement
23.69.Z - Manufacture of other articles of concrete, plaster and cement
25.11.Z - Manufacture of metal structures and parts of structures
25.12.Z - Manufacture of doors and windows of metal
41.10.Z - Realization of building projects related to erection of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
42.11.Z - Construction of roads and motorways
42.12.Z - Construction of railways and underground railways
42.13.Z - Construction of bridges and tunnels
42.21.Z - Construction of utility projects for fluids
42.91.Z - Construction of water projects
42.99.Z - Construction of other civil engineering projects n.e.c.
43.11.Z - Demolition
43.12.Z - Site preparation
43.13.Z - Test drilling and boring
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.31.Z - Plastering
43.32.Z - Joinery installation
43.33.Z - Floor and wall covering
43.34.Z - Painting and glazing
43.39.Z - Other building completion and finishing
43.91.Z - Masonry and bricklaying activities
43.99.Z - Other specialised construction activities n.e.c.
46.13.Z - Activities of agents involved in the wholesale of timber and building materials
46.63.Z - Wholesale of mining, construction and civil engineering machinery
46.72.Z - Wholesale of motor vehicle parts and accessories
46.73.Z - Wholesale of motorcycles, motorcycle parts and accessories
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
46.75.Z - Wholesale of chemical products
47.52.Z - Retail sale of hardware, building materials, paints and glass
47.53.Z - Retail sale of carpets, rugs, wall and floor coverings
47.78.Z - Retail sale of other new goods
47.91.Z - Intermediation service activities for non-specialised retail sale
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
68.31.Z - Intermediation service activities for real estate activities
68.32.Z - Management of real estate on a fee or contract basis
70.22.Z - Business and other management consultancy activities
71.11.Z - Architectural activities
71.12.Z - Engineering activities and related technical consultancy
71.20 - Technical testing and analysis
72.19.Z - Other research and experimental development on natural sciences and engineering
74.10.Z - Specialised design activities
77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment
81.10.Z - Combined facilities support activities
81.21.Z - General cleaning of buildings
81.22.Z - Specialised building and industrial cleaning activities
81.29.Z - Other cleaning activities
81.30.Z - Landscape service activities
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
86.90.E - Other human health activities not elsewhere classified