72.10.Z - Research and experimental development on natural sciences and engineering
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
61.10.Z - Wired telecommunications activities
61.20.Z - Telecommunication reselling activities and intermediation service activities for telecommunication
61.90.B - Other telecommunications activities not elsewhere classified
62.02.Z - Computer consultancy activities
62.03.Z - Computer facilities management activities
62.20.A - Cybersecurity activities
62.20.B - Other activities related to it consulting and it asset management
63.10.D - Other services related to computing infrastructure, data processing, website management (hosting), and related activities
63.11.Z - Data processing, hosting and related activities
71.12.Z - Engineering activities and related technical consultancy
61.10.B - Other activities in wired, wireless, and satellite telecommunications
71.20.C - Other technical research and analyses
72.11.Z - Research and experimental development on biotechnology
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
74.99.Z - All other professional, scientific and technical activities n.e.c.
80.20.Z - Security systems service activities
85.52.Z - Cultural education
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
95.10.Z - Repair and maintenance of computers and communication equipment
95.11.Z - Repair and maintenance of computers and peripheral equipment
95.12.Z - Repair and maintenance of (tele)communication equipment
47.40.Z - Retail sale of information and communication equipment
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
26.60.Z - Manufacture of irradiation, electromedical and electrotherapeutic equipment
32.50.A - Production of dental equipment, instruments, and dental products
32.50.B - Other medical devices, instruments, and products manufacturing
32.50.Z - Manufacture of medical and dental instruments and supplies
32.99.Z - Other manufacturing n.e.c.
33.13.Z - Repair and maintenance of electronic and optical equipment
43.21.Z - Electrical installation
47.12.Z - Other non-specialised retail sale
47.19.Z - Other retail sale in non-specialised stores
26.30.Z - Manufacture of communication equipment
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
47.54.Z - Retail sale of electrical household appliances
47.74.Z - Retail sale of medical and orthopaedic goods
47.76.Z - Retail sale of flowers, plants, seeds, fertilisers, pet animals and pet food in specialised stores
47.89.Z - Retail sale via stalls and markets of other goods
47.91.Z - Intermediation service activities for non-specialised retail sale
47.99.Z - Other retail sale not in stores, stalls or markets
61.10.A - Internet traffic exchange services