42.22.Z - Works related to construction of telecommunications and electricity lines
43.39.Z - Other building completion and finishing
95.21.Z - Repair and maintenance of consumer electronics
95.12.Z - Repair and maintenance of (tele)communication equipment
95.11.Z - Repair and maintenance of computers and peripheral equipment
80.20.Z - Security systems service activities
77.32.Z - Rental and leasing of construction machinery and equipment
71.12.Z - Engineering activities and related technical consultancy
71.11.Z - Architectural activities
49.41.Z - Freight transport by road
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.63.Z - Wholesale of mining, construction and civil engineering machinery
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
46.51.Z - Wholesale of computers, peripheral equipment and software
43.99.Z - Other specialised construction activities not elsewhere classified
43.91.Z - Roofing activities
41.20.Z - Building works related to erection of residential and non-residential buildings
43.32.Z - Joinery installation
43.31.Z - Plastering
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.21.Z - Electrical installation
43.13.Z - Test drilling and boring
43.12.Z - Site preparation
43.11.Z - Demolition
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.13.Z - Works related to construction of bridges and tunnels
42.12.Z - Works related to construction of railways and underground railways
42.11.Z - Works related to construction of roads and motorways
