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
42.22.Z - Construction of utility projects for electricity and telecommunications
43.11.Z - Demolition
43.12.Z - Site preparation
43.21.Z - Electrical installation
43.29.Z - Other construction installation
61.10.Z - Wired telecommunications activities
61.20.Z - Telecommunication reselling activities and intermediation service activities for telecommunication
61.30.Z - Satellite telecommunications activities
61.90.Z - Other telecommunications activities
62.01.Z - Computer programming activities
62.02.Z - Computer consultancy activities
62.03.Z - Computer facilities management activities
62.09.Z - Other information technology and computer service activities
63.11.Z - Data processing, hosting and related activities
63.12.Z - Web portals
63.99.Z - Other information service activities not elsewhere classified
69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy
70.20.Z - Business and other management consultancy activities
72.10.Z - Research and experimental development on natural sciences and engineering
72.20.Z - Research and experimental development on social sciences and humanities
74.30.Z - Translation and interpretation activities
