72.19.Z - Other research and experimental development on natural sciences and engineering
26.70.Z - Manufacture of optical instruments, magnetic and optical media and photographic equipment
30.11.Z - Building of civilian ships and floating structures
30.30.Z - Manufacture of air and spacecraft and related machinery
33.12 - Repair and maintenance of machinery
33.13 - Repair and maintenance of electronic and optical equipment
33.15.Z - Repair and maintenance of civilian ships and boats
33.16.Z - Repair and maintenance of civilian air and spacecraft
63.11.Z - Data processing, hosting and related activities
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
