41.10.Z - Realization of building projects related to erection of buildings
42.22.Z - Works related to construction of telecommunications and electricity lines
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
52.21.Z - Service activities incidental to land transportation
49.41.Z - Freight transport by road
43.99.Z - Other specialised construction activities not elsewhere classified
43.39.Z - Other building completion and finishing
43.12.Z - Site preparation
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
42.91.Z - Works related to construction of water projects
08.12.Z - Operation of gravel and sand pits; mining of clays and kaolin
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
33.20.Z - Installation of industrial machinery and equipment and outfit
08.92.Z - Extraction of peat