23.70.B - Production of other stone products, as well as cutting, shaping, and finishing of stone
08.11.Z - Quarrying of ornamental stone, limestone, gypsum, slate and other stone
08.12.Z - Operation of gravel and sand pits and mining of clay and kaolin
09.90.Z - Support activities for other mining and quarrying
33.20.Z - Installation of industrial machinery and equipment
42.11.Z - Construction of roads and motorways
43.11.Z - Demolition
43.12.Z - Site preparation
43.24.Z - Other construction installation
43.33.Z - Floor and wall covering
46.13.Z - Activities of agents involved in the wholesale of timber and building materials
46.63.Z - Wholesale of mining, construction and civil engineering machinery
46.83.Z - Wholesale of wood, construction materials and sanitary equipment
47.12.Z - Other non-specialised retail sale
47.52.Z - Retail sale of hardware, building materials, paints and glass
49.41.Z - Freight transport by road
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
