23.61.Z - Manufacture of concrete products for construction purposes
42.91.Z - Works related to construction of water projects
68.20.Z - Rental and operating of own or leased real estate
52.10.B - Warehousing and storage of other goods
49.41.Z - Freight transport by road
47.99.Z - Other retail sale not in stores, stalls or markets
46.90.Z - Non-specialised wholesale trade
43.99.Z - Other specialised construction activities not elsewhere classified
43.29.Z - Other construction installation
43.13.Z - Test drilling and boring
43.12.Z - Site preparation
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
23.63.Z - Manufacture of ready-mixed concrete
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
23.69.Z - Manufacture of other articles of concrete, plaster and cement
23.64.Z - Manufacture of mortars
