43.22.Z - Plumbing, heat and air-conditioning installation
33.12.Z - Repair and maintenance of machinery
33.14.Z - Repair and maintenance of electrical equipment
41.10.Z - Realization of building projects related to erection of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
42.91.Z - Works related to construction of water projects
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
43.21.Z - Electrical installation
46.14.Z - Agents involved in the sale of machinery, industrial equipment, ships and aircraft
46.19.Z - Agents involved in the sale of a variety of goods
46.63.Z - Wholesale of mining, construction and civil engineering machinery
46.69.Z - Wholesale of other machinery and equipment
71.12.Z - Engineering activities and related technical consultancy
72.19.Z - Other research and experimental development on natural sciences and engineering
81.21.Z - General cleaning of buildings