33.20.Z - Installation of industrial machinery and equipment
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
27.12.Z - Manufacture of electricity distribution and control apparatus
27.90.Z - Manufacture of other electrical equipment
28.99.Z - Manufacture of other special-purpose machinery n.e.c.
33.13.Z - Repair and maintenance of electronic and optical equipment
43.99.Z - Other specialised construction activities n.e.c.
46.14.Z - Activities of agents involved in the wholesale of machinery, industrial equipment, ships and aircraft
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
74.90.Z - Other professional, scientific and technical activities not elsewhere classified