43.21.Z - Electrical installation
61.90.Z - Other telecommunications activities
43.91.Z - Roofing activities
43.99.Z - Other specialised construction activities not elsewhere classified
46.19.Z - Agents involved in the sale of a variety of goods
46.90.Z - Non-specialised wholesale trade
47.41.Z - Retail sale of computers, peripheral units and software in specialised stores
47.42.Z - Retail sale of telecommunications equipment in specialised stores
47.78.Z - Other retail sale of new goods in specialised stores
47.99.Z - Other retail sale not in stores, stalls or markets
61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities
43.39.Z - Other building completion and finishing
62.01.Z - Computer programming activities
62.02.Z - Computer consultancy activities
62.03.Z - Computer facilities management activities
62.09.Z - Other information technology and computer service activities
63.11.Z - Data processing, hosting and related activities
71.11.Z - Architectural activities
80.20.Z - Security systems service activities
95.11.Z - Repair and maintenance of computers and peripheral equipment
42.22.Z - Works related to construction of telecommunications and electricity lines
23.62.Z - Manufacture of plaster products for construction purposes
27.12.Z - Manufacture of electricity distribution and control apparatus
33.13.Z - Repair and maintenance of electronic and optical equipment
33.14.Z - Repair and maintenance of electrical equipment
41.20.Z - Building works related to erection of residential and non-residential buildings
42.12.Z - Works related to construction of railways and underground railways
42.13.Z - Works related to construction of bridges and tunnels
42.21.Z - Works related to construction of transmission pipelines and distribution networks
23.61.Z - Manufacture of concrete products for construction purposes
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
43.22.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
