06.10.Z - Extraction of crude petroleum
06.20.Z - Extraction of natural gas
08.12.Z - Operation of gravel and sand pits and mining of clay and kaolin
09.10.Z - Support activities for petroleum and natural gas extraction
09.90.Z - Support activities for other mining and quarrying
33.11.Z - Repair and maintenance of fabricated metal products
33.12.Z - Repair and maintenance of machinery
33.14.Z - Repair and maintenance of electrical equipment
33.20.Z - Installation of industrial machinery and equipment
38.32.Z - Landfilling or permanent storage
39.00.Z - Remediation activities and other waste management service activities
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
42.22.Z - Construction of utility projects for electricity and telecommunications
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.
68.10.Z - Buying and selling of own real estate
71.11.Z - Architectural activities
71.12.Z - Engineering activities and related technical consultancy
74.10.Z - Specialised design activities
81.10.Z - Combined facilities support activities
81.21.Z - General cleaning of buildings
81.22.Z - Specialised building and industrial cleaning activities
91.03.Z - Operation of historical sites and buildings and similar visitor attractions