43.21.Z - Electrical installation
47.42.Z - Retail sale of telecommunications equipment in specialised stores
43.91.Z - Roofing activities
43.99.Z - Other specialised construction activities not elsewhere classified
46.51.Z - Wholesale of computers, peripheral equipment and software
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
46.61.Z - Wholesale of agricultural machinery, equipment and supplies
46.73.Z - Wholesale of wood, construction materials and sanitary equipment
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
47.41.Z - Retail sale of computers, peripheral units and software in specialised stores
43.39.Z - Other building completion and finishing
47.43.Z - Retail sale of audio and video equipment in specialised stores
47.52.Z - Retail sale of hardware, paints and glass in specialised stores
47.54.Z - Retail sale of electrical household appliances in specialised stores
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
42.11.Z - Works related to construction of roads and motorways
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
43.13.Z - Test drilling and boring
43.12.Z - Site preparation
43.11.Z - Demolition
42.99.Z - Works related to construction of other civil engineering projects not elsewhere classified
42.91.Z - Works related to construction of water projects
42.22.Z - Works related to construction of telecommunications and electricity lines
42.21.Z - Works related to construction of transmission pipelines and distribution networks
42.13.Z - Works related to construction of bridges and tunnels
42.12.Z - Works related to construction of railways and underground railways
