74.10.Z - Specialised design activities
43.22.Z - Plumbing, heat and air-conditioning installation
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
72.19.Z - Other research and experimental development on natural sciences and engineering
71.20.B - Other technical testing and analysis
71.12.Z - Engineering activities and related technical consultancy
71.11.Z - Architectural activities
66.19.Z - Other activities auxiliary to financial services, except insurance and pension funding
61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities
61.10.Z - Wired telecommunications activities
49.41.Z - Freight transport by road
43.99.Z - Other specialised construction activities not elsewhere classified
43.91.Z - Roofing activities
43.29.Z - Other construction installation
09.10.Z - Support activities for petroleum and natural gas extraction
43.13.Z - Test drilling and boring
43.12.Z - Site preparation
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
42.21.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
09.90.Z - Support activities for other mining and quarrying
