71.12.Z - Engineering activities and related technical consultancy
43.12.Z - Site preparation
72.19.Z - Other research and experimental development on natural sciences and engineering
71.11.Z - Architectural activities
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.13.Z - Agents involved in the sale of timber and building materials
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.13.Z - Test drilling and boring
18.13.Z - Pre-press and pre-media services
43.11.Z - Demolition
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
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
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