71.12.Z - Engineering activities and related technical consultancy
43.99.Z - Other specialised construction activities not elsewhere classified
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
74.10.Z - Specialised design activities
72.19.Z - Other research and experimental development on natural sciences and engineering
71.20.B - Other technical testing and analysis
71.11.Z - Architectural activities
70.22.Z - Business and other management consultancy activities
69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy
47.91.Z - Retail sale via mail order houses or via internet
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
36.00.Z - Water collection, treatment and supply
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
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
41.10.Z - Realization of building projects related to erection of buildings
37.00.Z - Sewage disposal and treatment
