42.11.Z - Works related to construction of roads and motorways
36.00.Z - Water collection, treatment and supply
37.00.Z - Sewage disposal and treatment
42.12.Z - Works related to construction of railways and underground railways
42.13.Z - Works related to construction of bridges and tunnels
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.91.Z - Works related to construction of water projects
43.11.Z - Demolition
43.12.Z - Site preparation
43.22.Z - Plumbing, heat and air-conditioning installation
46.63.Z - Wholesale of mining, construction and civil engineering machinery
49.41.Z - Freight transport by road
77.12.Z - Rental and leasing of other motor vehicle, excluding motorcycles
77.32.Z - Rental and leasing of construction machinery and equipment
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods not elsewhere classified
82.11.Z - Office administrative service activities
82.19.Z - Photocopying, document preparation and other specialised office support activities