33.12.Z - Repair and maintenance of machinery
41.20.Z - Building works related to erection of residential and non-residential buildings
42.21.Z - Construction of utility projects for fluids
42.22.Z - Construction of utility projects for electricity and telecommunications
42.99.Z - Construction of other civil engineering projects n.e.c.
43.11.Z - Demolition
43.12.Z - Site preparation
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.31.Z - Plastering
43.32.Z - Joinery installation
43.33.Z - Floor and wall covering
43.34.Z - Painting and glazing
43.39.Z - Other building completion and finishing
43.91.Z - Masonry and bricklaying activities
43.99.Z - Other specialised construction activities n.e.c.
62.02.Z - Computer consultancy activities
62.03.Z - Computer facilities management activities
62.09.Z - Other information technology and computer service activities
63.11.Z - Data processing, hosting and related activities
71.11.Z - Architectural activities
71.12.Z - Engineering activities and related technical consultancy
81.21.Z - General cleaning of buildings
81.22.Z - Specialised building and industrial cleaning activities
81.29.Z - Other cleaning activities
95.11.Z - Repair and maintenance of computers and peripheral equipment
