43.21.Z - Electrical installation
43.39.Z - Other building completion and finishing
96.09.Z - Other personal service activities not elsewhere classified
80.20.Z - Security systems service activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
74.10.Z - Specialised design activities
71.20.B - Other technical testing and analysis
71.12.Z - Engineering activities and related technical consultancy
71.11.Z - Architectural activities
70.22.Z - Business and other management consultancy activities
68.20.Z - Rental and operating of own or leased real estate
68.10.Z - Buying and selling of own real estate
61.90.Z - Other telecommunications activities
61.30.Z - Satellite telecommunications activities
61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities
49.41.Z - Freight transport by road
43.99.Z - Other specialised construction activities not elsewhere classified
33.13.Z - Repair and maintenance of electronic and optical equipment
43.34.Z - Painting and glazing
43.33.Z - Floor and wall covering
43.32.Z - Joinery installation
43.31.Z - Plastering
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.12.Z - Site preparation
43.11.Z - Demolition
42.22.Z - Works related to construction of telecommunications and electricity lines
42.11.Z - Works related to construction of roads and motorways
41.20.Z - Building works related to erection of residential and non-residential buildings
38.11.Z - Collection of non-hazardous waste
33.19.Z - Repair and maintenance of other equipment
33.14.Z - Repair and maintenance of electrical equipment