90.13.Z - Other arts creation activities
41.00.B - Construction of non-residential buildings
42.11.Z - Construction of roads and motorways
42.21.Z - Construction of utility projects for fluids
42.22.Z - Construction of utility projects for electricity and telecommunications
42.99.Z - Construction of other civil engineering projects n.e.c.
43.12.Z - Site preparation
43.21.Z - Electrical installation
68.12.B - Construction projects related to the erection of non-residential buildings
68.12.C - Execution of other construction projects
74.99.Z - All other professional, scientific and technical activities n.e.c.
77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment
81.23.B - Other cleaning activities not classified elsewhere