38.11.Z - Collection of non-hazardous waste
38.12.Z - Collection of hazardous waste
42.11.Z - Works related to construction of roads and motorways
42.12.Z - Works related to construction of railways and underground railways
43.99.Z - Other specialised construction activities not elsewhere classified
49.20.Z - Freight rail transport
49.31.Z - Urban and suburban passenger land transport
71.12.Z - Engineering activities and related technical consultancy
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
81.10.Z - Combined facilities support activities
81.21.Z - General cleaning of buildings
81.29.Z - Other cleaning activities
81.30.Z - Landscape service activities
96.09.Z - Other personal service activities not elsewhere classified