71.12.Z - Engineering activities and related technical consultancy
25.11.Z - Manufacture of metal structures and parts of structures
41.10.Z - Realization of building projects related to erection of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.11.Z - Demolition
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
46.14.Z - Agents involved in the sale of machinery, industrial equipment, ships and aircraft
71.11.Z - Architectural activities
85.59.B - Other out-of-school forms of education, not elsewhere classified
85.60.Z - Educational support activities
