41.20.Z - Building works related to erection of residential and non-residential buildings
33.14.Z - Repair and maintenance of electrical equipment
42.22.Z - Works related to construction of telecommunications and electricity lines
43.11.Z - Demolition
43.12.Z - Site preparation
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.31.Z - Plastering
43.33.Z - Floor and wall covering
43.34.Z - Painting and glazing
43.39.Z - Other building completion and finishing
43.99.Z - Other specialised construction activities not elsewhere classified
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.77.Z - Wholesale of waste and scrap
47.19.Z - Other retail sale in non-specialised stores
96.09.Z - Other personal service activities not elsewhere classified