71.12.Z - Engineering activities and related technical consultancy
43.39.Z - Other building completion and finishing
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.11.Z - Demolition
43.12.Z - Site preparation
43.13.Z - Test drilling and boring
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.31.Z - Plastering
43.32.Z - Joinery installation
43.33.Z - Floor and wall covering
43.34.Z - Painting and glazing
42.91.Z - Works related to construction of water projects
43.91.Z - Roofing activities
43.99.Z - Other specialised construction activities not elsewhere classified
71.11.Z - Architectural activities
72.11.Z - Research and experimental development on biotechnology
72.19.Z - Other research and experimental development on natural sciences and engineering
72.20.Z - Research and experimental development on social sciences and humanities
74.10.Z - Specialised design activities
74.20.Z - Photographic activities
74.30.Z - Translation and interpretation activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
85.60.Z - Educational support activities
38.21.Z - Treatment and disposal of non-hazardous waste
35.12.Z - Transmission of electricity
35.13.Z - Distribution of electricity
35.14.Z - Trade of electricity
35.21.Z - Manufacture of gaseous fuels
35.22.Z - Distribution of gaseous fuels through mains
35.23.Z - Trade of gaseous fuels through mains
35.30.Z - Steam, hot water and air conditioning manufacturing and supply
36.00.Z - Water collection, treatment and supply
37.00.Z - Sewage disposal and treatment
38.11.Z - Collection of non-hazardous waste
38.12.Z - Collection of hazardous waste
35.11.Z - Production of electricity
38.22.Z - Hazardous waste processing and neutralizing
38.31.Z - Dismantling of wrecks
38.32.Z - Recovery of sorted materials
39.00.Z - Remediation activities and other waste management services
41.10.Z - Realization of building projects related to erection of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
42.11.Z - Works related to construction of roads and motorways
42.12.Z - Works related to construction of railways and underground railways
42.13.Z - Works related to construction of bridges and tunnels
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