74.10.Z - Specialised design activities
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
27.40.Z - Manufacture of electric lighting equipment
27.90.Z - Manufacture of other electrical equipment
33.12.Z - Repair and maintenance of machinery
33.13.Z - Repair and maintenance of electronic and optical equipment
33.14.Z - Repair and maintenance of electrical equipment
62.01.Z - Computer programming activities
62.02.Z - Computer consultancy activities
62.03.Z - Computer facilities management activities
62.09.Z - Other information technology and computer service activities
63.99.Z - Other information service activities not elsewhere classified
71.12.Z - Engineering activities and related technical consultancy
71.20.B - Other technical testing and analysis
72.19.Z - Other research and experimental development on natural sciences and engineering
74.20.Z - Photographic activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
