72.19.Z - Other research and experimental development on natural sciences and engineering
26.11.Z - Manufacture of electronic components
26.12.Z - Manufacture of loaded electronic boards
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
27.20.Z - Manufacture of batteries and accumulators
28.99.Z - Manufacture of other special-purpose machinery n.e.c.
33.20.Z - Installation of industrial machinery and equipment
38.31.Z - Incineration without energy recovery
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
85.60.Z - Educational support activities