43.12.Z - Site preparation
01.61.Z - Support activities for crop production
02.40.Z - Service activity related to forestry
33.12.Z - Repair and maintenance of machinery
42.11.Z - Works related to construction of roads and motorways
42.13.Z - Works related to construction of bridges and tunnels
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
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.99.Z - Other specialised construction activities not elsewhere classified
45.20.Z - Maintenance and repair of motor vehicles, excluding motorcycles
49.41.Z - Freight transport by road
81.29.Z - Other cleaning activities
81.30.Z - Landscape service activities