41.20.Z - Building works related to erection of residential and non-residential buildings
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
81.29.Z - Other cleaning activities
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods not elsewhere classified
77.32.Z - Rental and leasing of construction machinery and equipment
72.19.Z - Other research and experimental development on natural sciences and engineering
71.12.Z - Engineering activities and related technical consultancy
68.31.Z - Real estate agencies
68.10.Z - Buying and selling of own real estate
64.19.Z - Other monetary intermediation
49.41.Z - Freight transport by road
43.99.Z - Other specialised construction activities not elsewhere classified
43.13.Z - Test drilling and boring
43.12.Z - Site preparation
43.11.Z - Demolition
37.00.Z - Sewage disposal and treatment
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
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
41.10.Z - Realization of building projects related to erection of buildings
39.00.Z - Remediation activities and other waste management services
38.22.Z - Hazardous waste processing and neutralizing
38.21.Z - Treatment and disposal of non-hazardous waste
38.12.Z - Collection of hazardous waste
38.11.Z - Collection of non-hazardous waste