26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
28.99.Z - Manufacture of other special-purpose machinery n.e.c.
33.14.Z - Repair and maintenance of electrical equipment
33.20.Z - Installation of industrial 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
71.20.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
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
