71.12.Z - Engineering activities and related technical consultancy
42.22.Z - Works related to construction of telecommunications and electricity lines
77.32.Z - Rental and leasing of construction machinery and equipment
43.99.Z - Other specialised construction activities not elsewhere classified
43.39.Z - Other building completion and finishing
43.32.Z - Joinery installation
43.21.Z - Electrical installation
43.12.Z - Site preparation
43.11.Z - Demolition
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
42.91.Z - Works related to construction of water projects
27.12.Z - Manufacture of electricity distribution and control apparatus
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
41.20.Z - Building works related to erection of residential and non-residential buildings
35.11.Z - Production of electricity
33.14.Z - Repair and maintenance of electrical equipment
27.40.Z - Manufacture of electric lighting equipment
27.32.Z - Manufacture of other electronic and electric wires and cables
