33.11.Z - Repair and maintenance of fabricated metal products
09.10.Z - Support activities for petroleum and natural gas extraction
09.90.Z - Support activities for other mining and quarrying
30.11.Z - Building of civilian ships and floating structures
33.12.Z - Repair and maintenance of machinery
33.13.Z - Repair and maintenance of electronic and optical equipment
33.14.Z - Repair and maintenance of electrical equipment
33.15.Z - Repair and maintenance of civilian ships and boats
33.17.Z - Repair and maintenance of other civilian transport equipment
33.19.Z - Repair and maintenance of other equipment
33.20.Z - Installation of industrial machinery and equipment
42.13.Z - Construction of bridges and tunnels
42.99.Z - Construction of other civil engineering projects n.e.c.
43.11.Z - Demolition
43.99.Z - Other specialised construction activities n.e.c.
71.12.B - Other activities in the field of engineering and related technical consulting
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
81.21.Z - General cleaning of buildings
81.22.B - Other building and industrial facility cleaning not classified elsewhere
81.30.Z - Landscape service activities
