26.12.Z - Manufacture of loaded electronic boards
26.20.Z - Manufacture of computers and peripheral equipment
26.30.Z - Manufacture of communication equipment
26.40.Z - Manufacture of consumer electronics
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
27.12.Z - Manufacture of electricity distribution and control apparatus
27.90.Z - Manufacture of other electrical equipment
28.23.Z - Manufacture of office machinery and equipment, except computers and peripheral equipment
28.29.Z - Manufacture of other general-purpose machinery n.e.c.
28.99.Z - Manufacture of other special-purpose machinery n.e.c.
32.50.Z - Manufacture of medical and dental instruments and supplies
33.12.Z - Repair and maintenance of machinery
33.13.Z - Repair and maintenance of electronic and optical equipment
33.14.Z - Repair and maintenance of electrical equipment
33.20.Z - Installation of industrial machinery and equipment
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
42.99.Z - Construction of other civil engineering projects n.e.c.
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
46.63.Z - Wholesale of mining, construction and civil engineering machinery
46.90.Z - Non-specialised wholesale trade
47.41.Z - Retail sale of computers, peripheral units and software in specialised stores
47.42.Z - Retail sale of telecommunications equipment in specialised stores
61.10.Z - Wired telecommunications activities
61.20.Z - Telecommunication reselling activities and intermediation service activities for telecommunication
61.30.Z - Satellite telecommunications activities
62.01.Z - Computer programming activities
62.02.Z - Computer consultancy activities
62.09.Z - Other information technology and computer service activities
63.11.Z - Data processing, hosting and related activities
68.10.Z - Buying and selling of own real estate
68.20.Z - Rental and operating of own or leased real estate
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
72.19.Z - Other research and experimental development on natural sciences and engineering
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
80.20.Z - Security systems service activities
82.30.Z - Organisation of conventions and trade shows
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
95.11.Z - Repair and maintenance of computers and peripheral equipment
95.12.Z - Repair and maintenance of (tele)communication equipment