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.
43.22.Z - Plumbing, heat and air-conditioning installation
43.39.Z - Other building completion and finishing
47.19.Z - Other retail sale in non-specialised stores
47.91.Z - Intermediation service activities for non-specialised retail sale
47.99.Z - Other retail sale not in stores, stalls or markets
70.22.Z - Business and other management consultancy activities
71.12.Z - Engineering activities and related technical consultancy
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
72.19.Z - Other research and experimental development on natural sciences and engineering
74.10.Z - Specialised design activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment
77.33.Z - Rental and leasing of office machinery, equipment and computers
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods n.e.c.
81.21.Z - General cleaning of buildings
81.22.Z - Specialised building and industrial cleaning activities
81.29.Z - Other cleaning activities
