72.19.Z - Other research and experimental development on natural sciences and engineering
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
33.20.Z - Installation of industrial machinery and equipment
61.20.Z - Telecommunication reselling activities and intermediation service activities for telecommunication
62.01.Z - Computer programming activities
63.99.Z - Other information service activities not elsewhere classified
71.11.Z - Architectural activities
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
95.12.Z - Repair and maintenance of (tele)communication equipment
96.09.Z - Other personal service activities not elsewhere classified