43.21.Z - Electrical installation
61.10.Z - Wired telecommunications activities
95.11.Z - Repair and maintenance of computers and peripheral equipment
63.11.Z - Data processing, hosting and related activities
62.09.Z - Other information technology and computer service activities
62.03.Z - Computer facilities management activities
62.02.Z - Computer consultancy activities
62.01.Z - Computer programming activities
61.90.Z - Other telecommunications activities
61.20.Z - Wireless telecommunications activities, excluding satellite telecommunications activities
33.16.Z - Repair and maintenance of aircraft and spacecraft
58.29.Z - Other software publishing
47.42.Z - Retail sale of telecommunications equipment in specialised stores
47.41.Z - Retail sale of computers, peripheral units and software in specialised stores
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
42.11.Z - Works related to construction of roads and motorways
