71.12.Z - Engineering activities and related technical consultancy
23.19.Z - Manufacture and processing of other glass, including technical glassware
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
47.91.Z - Intermediation service activities for non-specialised retail sale
62.01.Z - Computer programming activities
62.03.Z - Computer facilities management activities
63.99.Z - Other information service activities not elsewhere classified
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
74.90.Z - Other professional, scientific and technical activities not elsewhere classified