43.12.Z - Site preparation
42.91.Z - Works related to construction of water projects
81.30.Z - Landscape service activities
52.24.C - Cargo handling in other reloading points
49.41.Z - Freight transport by road
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
43.99.Z - Other specialised construction activities not elsewhere classified
43.13.Z - Test drilling and boring
43.11.Z - Demolition
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
02.40.Z - Service activity related to forestry
42.22.Z - Works related to construction of telecommunications and electricity lines
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.13.Z - Works related to construction of bridges and tunnels
42.12.Z - Works related to construction of railways and underground railways
42.11.Z - Works related to construction of roads and motorways
41.20.Z - Building works related to erection of residential and non-residential buildings
41.10.Z - Realization of building projects related to erection of buildings