43.22.Z - Plumbing, heat and air-conditioning installation
25.11.Z - Manufacture of metal structures and parts of structures
28.25.Z - Manufacture of non-domestic air conditioning equipment
33.11.Z - Repair and maintenance of fabricated metal products
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
33.19.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
42.99.Z - Construction of other civil engineering projects n.e.c.
43.21.Z - Electrical installation
43.23.Z - Installation of insulation
43.24.Z - Other construction installation
43.35.Z - Other building completion and finishing
43.50.Z - Specialised construction activities in civil engineering
43.91.Z - Masonry and bricklaying activities
43.99.Z - Other specialised construction activities n.e.c.
68.12.A - Construction projects related to the erection of residential buildings
68.12.B - Construction projects related to the erection of non-residential buildings
68.12.C - Execution of other construction projects
71.11.Z - Architectural activities
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
95.21.Z - Repair and maintenance of consumer electronics
95.22.Z - Repair and maintenance of household appliances and home and garden equipment