70.22.Z - Business and other management consultancy activities
33.20.Z - Installation of industrial machinery and equipment
41.1 - Realization of building projects related to erection of buildings
43.9 - Other specialised construction activities
71.1 - Architectural and engineering activities and related technical consultancy
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
74.10.Z - Specialised design activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
82.99.Z - Other business support service activities not elsewhere classified