35.11.Z - Production of electricity from non-renewable sources
35.12.Z - Transmission of electricity
35.13.Z - Transmission of electricity
35.14.Z - Distribution of electricity
35.21.Z - Manufacture of gas
35.23.Z - Trade of gas through mains
35.30.Z - Steam and air conditioning supply
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 - Construction of roads and motorways
42.12.Z - Construction of railways and underground railways
42.13.Z - Construction of bridges and tunnels
42.21.Z - Construction of utility projects for fluids
42.22.Z - Construction of utility projects for electricity and telecommunications
42.91.Z - Construction of water projects
42.99.Z - Construction of other civil engineering projects n.e.c.
43.11.Z - Demolition
43.12.Z - Site preparation
43.13.Z - Test drilling and boring
43.99.Z - Other specialised construction activities n.e.c.
46.13.Z - Activities of agents involved in the wholesale of timber and building materials
46.18.Z - Activities of agents involved in the wholesale of other particular products
46.19.Z - Activities of agents involved in non-specialised wholesale
49.50.A - Pipelines transportation of natural gas" or "gas pipeline transportation
49.50.B - Pipelines transportation of other goods
59.20.Z - Sound recording and music publishing activities
63.99.Z - Other information service activities not elsewhere classified
68.10.Z - Buying and selling of own real estate
68.32.Z - Management of real estate on a fee or contract basis
69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy
70.21.Z - Public relations and communication activities
70.22.Z - Business and other management consultancy activities
71.11.Z - Architectural activities
71.12.Z - Engineering activities and related technical consultancy
71.20.A - Research and analysis related to food quality
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
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
73.11.Z - Activities of advertising agencies
73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (internet)
73.12.D - Intermediation in the sale of the place on advertising aims in other media
73.20.Z - Market research and public opinion polling
74.10.Z - Specialised design activities
74.30.Z - Translation and interpretation activities
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods n.e.c.
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
81.10.Z - Combined facilities support activities
82.11.Z - Office administrative service activities
82.19.Z - Photocopying, document preparation and other specialised office support activities
82.91.Z - Activities of collection agencies and credit bureaus
82.99.Z - Other business support service activities not elsewhere classified
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
85.60.Z - Educational support activities
