74.10.Z - Specialised design activities
71.11.Z - Architectural activities
95.21.Z - Repair and maintenance of consumer electronics
95.12.Z - Repair and maintenance of (tele)communication equipment
95.11.Z - Repair and maintenance of computers and peripheral equipment
82.19.Z - Photocopying, document preparation and other specialised office support activities
82.11.Z - Office administrative service activities
80.20.Z - Security systems service activities
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
71.20.A - Food quality testing and analysis
71.12.Z - Engineering activities and related technical consultancy
35.30.Z - Steam, hot water and air conditioning manufacturing and supply
70.22.Z - Business and other management consultancy activities
70.21.Z - Public relations and communication activities
62.09.Z - Other information technology and computer service activities
62.03.Z - Computer facilities management activities
62.02.Z - Computer consultancy activities
62.01.Z - Computer programming activities
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
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