42.22.Z - Construction of utility projects for electricity and telecommunications
33.14.Z - Repair and maintenance of electrical equipment
42.11.Z - Construction of roads and motorways
42.21.Z - Construction of utility projects for fluids
42.99.Z - Construction of other civil engineering projects n.e.c.
43.21.Z - Electrical installation
43.99.Z - Other specialised construction activities n.e.c.
69.20.Z - Accounting, bookkeeping and auditing activities; tax consultancy
71.12.Z - Engineering activities and related technical consultancy
77.39.Z - Rental and leasing of other machinery, equipment and tangible goods n.e.c.