74.90.Z - Other professional, scientific and technical activities not elsewhere classified
39.00.Z - Remediation activities and other waste management service activities
58.1 - Publishing of books, newspapers and other publishing activities, except software publishing
70.2 - Business and other management consultancy activities
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
72.1 - Research and experimental development on natural sciences and engineering
82.3 - Organisation of conventions and trade shows
82.9 - Business support service activities n.e.c.
85.5 - Other education