43.99.Z - Other specialised construction activities not elsewhere classified
41.10.Z - Realization of building projects related to erection of buildings
42.11.Z - Works related to construction of roads and motorways
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.22.Z - Works related to construction of telecommunications and electricity lines
42.91.Z - Works related to construction of water projects
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.11.Z - Demolition
43.12.Z - Site preparation
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
71.12.Z - Engineering activities and related technical consultancy
