43.21.Z - Electrical installation
71.12.Z - Engineering activities and related technical consultancy
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
47.43.Z - Retail sale of audio and video equipment in specialised stores
61.10.Z - Wired telecommunications activities
61.30.Z - Satellite telecommunications activities
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
43.99.Z - Other specialised construction activities not elsewhere classified
71.20.B - Other technical testing and analysis
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.33.Z - Rental and leasing of office machinery and equipment, including computers
81.29.Z - Other cleaning activities
84.25.Z - Fire service activities
95.11.Z - Repair and maintenance of computers and peripheral equipment
95.12.Z - Repair and maintenance of (tele)communication equipment
95.21.Z - Repair and maintenance of consumer electronics
95.22.Z - Repair and maintenance of household appliances and home and garden equipment
42.11.Z - Works related to construction of roads and motorways
33.13.Z - Repair and maintenance of electronic and optical equipment
33.14.Z - Repair and maintenance of electrical equipment
33.15.Z - Repair and maintenance of ships and boats
33.16.Z - Repair and maintenance of aircraft and spacecraft
33.17.Z - Repair and maintenance of other transport equipment
33.19.Z - Repair and maintenance of other equipment
33.20.Z - Installation of industrial machinery and equipment and outfit
35.11.Z - Production of electricity
41.20.Z - Building works related to erection of residential and non-residential buildings
33.12.Z - Repair and maintenance of machinery
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
42.22.Z - Works related to construction of telecommunications and electricity lines
43.11.Z - Demolition
43.12.Z - Site preparation
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.34.Z - Painting and glazing