26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
33.13.Z - Repair and maintenance of electronic and optical equipment
33.20.Z - Installation of industrial machinery and equipment
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
46.69.Z - Wholesale of other machinery and equipment
47.91.Z - Intermediation service activities for non-specialised retail sale
47.99.Z - Other retail sale not in stores, stalls or markets
71.12.Z - Engineering activities and related technical consultancy
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods n.e.c.