74.90.Z - Other professional, scientific and technical activities not elsewhere classified
58.19.Z - Other publishing activities, except software publishing
59.11.Z - Motion picture, video and television programme production 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
72.19.Z - Other research and experimental development on natural sciences and engineering
72.20.Z - Research and experimental development on social sciences and humanities
82.30.Z - Organisation of conventions and trade shows
85.60.Z - Educational support activities
94.99.Z - Activities of other membership organisations n.e.c.
