42.11.Z - Construction of roads and motorways
42.12.Z - Construction of railways and underground railways
43.13.Z - Test drilling and boring
43.99.Z - Other specialised construction activities n.e.c.
46.90.Z - Non-specialised wholesale trade
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
72.19.Z - Other research and experimental development on natural sciences and engineering
74.30.Z - Translation and interpretation activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
82.19.Z - Photocopying, document preparation and other specialised office support activities
82.99.Z - Other business support service activities not elsewhere classified