72.19.Z - Other research and experimental development on natural sciences and engineering
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
33.12.Z - Repair and maintenance of machinery
33.14.Z - Repair and maintenance of electrical equipment
70.22.Z - Business and other management consultancy activities
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
74.10.Z - Specialised design activities
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms