81.21.Z - General cleaning of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
43.39.Z - Other building completion and finishing
78.10.Z - Activities of employment placement agencies
78.20.Z - Temporary employment agency activities
78.30.Z - Other human resources provision
81.10.Z - Combined facilities support activities
81.22.Z - Specialised building and industrial cleaning activities
81.29.Z - Other cleaning activities
82.11.Z - Office administrative service activities