25.53.Z - Machining of metals
25.51.Z - Coating of metals
25.52.Z - Heat treatment of metals
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
43.23.Z - Installation of insulation
43.24.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
43.35.Z - Other building completion and finishing
52.21.B - Other land transport supporting services
52.24.A - Cargo handling in seaports
52.24.B - Cargo handling in inland ports
52.24.C - Cargo handling at other transshipment points
81.21.Z - General cleaning of buildings
81.22.B - Other building and industrial facility cleaning not classified elsewhere
95.31.A - Mechanical repair and servicing of motor vehicles, excluding motorcycles
95.31.B - Bodywork and paint repair, as well as maintenance of motor vehicles, excluding motorcycles
95.31.C - Vehicle detailing services, excluding motorcycles
95.32.Z - Repair and maintenance of motorcycles