43.42.Z - Other specialised construction activities in construction of buildings
49.41.Z - Freight transport by road
68.12.A - Construction projects related to the erection of residential buildings
68.12.B - Construction projects related to the erection of non-residential buildings
68.12.C - Execution of other construction projects
68.32.C - Other real estate market services on a contractual basis not elsewhere classified
70.20.Z - Business and other management consultancy activities
71.12.B - Other activities in the field of engineering and related technical consulting
72.10.Z - Research and experimental development on natural sciences and engineering
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms
