33.20.Z - Installation of industrial machinery and equipment and outfit
28.25.Z - Manufacture of industrial cooling and ventilation equipment
33.12.Z - Repair and maintenance of machinery
41.20.Z - Building works related to erection of residential and non-residential buildings
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
46.69.Z - Wholesale of other machinery and equipment
47.99.Z - Other retail sale not in stores, stalls or markets
71.11.Z - Architectural activities
71.12.Z - Engineering activities and related technical consultancy