43.21.Z - Electrical installation
33.11.Z - Repair and maintenance of fabricated metal products
33.13.Z - Repair and maintenance of electronic and optical equipment
33.14.Z - Repair and maintenance of electrical equipment
33.19.Z - Repair and maintenance of other equipment
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.31.Z - Plastering
43.32.Z - Joinery installation
43.33.Z - Floor and wall covering
43.34.Z - Painting and glazing
43.39.Z - Other building completion and finishing
80.20.Z - Security systems service activities
95.12.Z - Repair and maintenance of (tele)communication equipment