42.22.Z - Construction of utility projects for electricity and telecommunications
33.14.Z - Repair and maintenance of electrical equipment
33.20.Z - Installation of industrial machinery and equipment
41.00.A - Construction of residential buildings
43.12.Z - Site preparation
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.31.Z - Plastering
43.41.Z - Roofing activities
43.42.Z - Other specialised construction activities in construction of buildings
43.99.Z - Other specialised construction activities n.e.c.
68.11.Z - Buying and selling of own real estate
68.12.A - Construction projects related to the erection of residential buildings
77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment