42.22.Z - Construction of utility projects for electricity and telecommunications
43.50.Z - Specialised construction activities in civil engineering
81.22.B - Other building and industrial facility cleaning not classified elsewhere
62.90.Z - Other information technology and computer service activities
62.20.B - Other activities related to it consulting and it asset management
62.20.A - Cybersecurity activities
61.90.B - Other telecommunications activities not elsewhere classified
61.90.A - Internet communication services
61.20.Z - Telecommunication reselling activities and intermediation service activities for telecommunication
61.10.B - Other activities in wired, wireless, and satellite telecommunications
61.10.A - Internet traffic exchange services
55.20.Z - Holiday and other short-stay accommodation
49.41.Z - Freight transport by road
43.99.Z - Other specialised construction activities n.e.c.
43.91.Z - Masonry and bricklaying activities
33.12.Z - Repair and maintenance of machinery
43.42.Z - Other specialised construction activities in construction of buildings
43.41.Z - Roofing activities
43.35.Z - Other building completion and finishing
43.24.Z - Other construction installation
43.23.Z - Installation of insulation
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
43.12.Z - Site preparation
43.11.Z - Demolition
42.99.Z - Construction of other civil engineering projects n.e.c.
41.00.B - Construction of non-residential buildings
41.00.A - Construction of residential buildings
33.20.Z - Installation of industrial machinery and equipment
