41.10 - Realization of building projects related to erection of buildings
41.20 - Building works related to erection of residential and non-residential buildings
42.22 - Construction of utility projects for electricity and telecommunications
43.11 - Demolition
43.12 - Site preparation
43.21 - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.99 - Other specialised construction activities n.e.c.
46.43.Z - Wholesale of electrical household appliances
46.51.Z - Wholesale of computers, peripheral equipment and software
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
47.54 - Retail sale of electrical household appliances
61.10 - Wired, wireless, and satellite telecommunication 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 - Computer consultancy activities
62.03 - Computer facilities management activities
62.09 - Other information technology and computer service activities
63.11.Z - Data processing, hosting and related activities
63.99 - Other information service activities not elsewhere classified
68.10 - Buying and selling of own real estate
68.20 - Rental and operating of own or leased real estate
71.11 - Architectural activities
71.12 - Engineering activities and related technical consultancy
74.10.Z - Specialised design activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment
77.33.Z - Rental and leasing of office machinery, equipment and computers
80.20 - Security systems service activities
95.11.Z - Repair and maintenance of computers and peripheral equipment
95.12.Z - Repair and maintenance of (tele)communication equipment