43.99.Z - Other specialised construction activities n.e.c.
25.53.Z - Machining of metals
25.62.Z - Manufacture of locks and hinges
33.19.Z - Repair and maintenance of other equipment
33.20.Z - Installation of industrial machinery and equipment
41.00.A - Construction of residential buildings
41.00.B - Construction of non-residential buildings
43.35.Z - Other building completion and finishing
43.41.Z - Roofing activities
43.42.Z - Other specialised construction activities in construction of buildings
81.10.Z - Combined facilities support activities
81.22.A - Cleaning of chimneys, fireplaces, stoves, and ventilation ducts
81.22.B - Other building and industrial facility cleaning not classified elsewhere
81.23.B - Other cleaning activities not classified elsewhere
82.30.Z - Organisation of conventions and trade shows
93.29.B - Other entertainment and recreational activities not elsewhere classified