71.12.B - Other activities in the field of engineering and related technical consulting
30.30.Z - Manufacture of air and spacecraft and related machinery
41.10.Z - Realization of building projects related to erection of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
42.99.Z - Construction of other civil engineering projects n.e.c.
71.11.Z - Architectural activities
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
71.20.C - Other technical research and analyses
72.19.Z - Other research and experimental development on natural sciences and engineering
74.10.Z - Specialised design activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
74.99.Z - All other professional, scientific and technical activities n.e.c.
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
