42.11.Z - Works related to construction of roads and motorways
42.21.Z - Works related to construction oftransmission pipelines and distribution networks
43.12.Z - Site preparation
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
71.12.Z - Engineering activities and related technical consultancy
71.20.B - Other technical testing and analysis
74.10.Z - Specialised design activities
77.32.Z - Rental and leasing of construction machinery and equipment
82.11.Z - Office administrative service activities