42.12.Z - Works related to construction of railways and underground railways
41.20.Z - Building works related to erection of residential and non-residential buildings
42.11.Z - Works related to construction of roads and motorways
42.13.Z - Works related to construction of bridges and tunnels
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.11.Z - Demolition
43.12.Z - Site preparation
43.29.Z - Other construction installation
43.31.Z - Plastering
43.39.Z - Other building completion and finishing
43.99.Z - Other specialised construction activities not elsewhere classified
81.10.Z - Buildings service 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
