43.60.Z - Intermediation service activities for specialised construction services
33 - Repair, maintenance and installation of machinery and equipment
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
43.22.Z - Plumbing, heat and air-conditioning installation
43.99.Z - Other specialised construction activities n.e.c.
46.19.Z - Activities of agents involved in non-specialised wholesale
77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment