71.12.Z - Engineering activities and related technical consultancy
43.21.Z - Electrical installation
95.11.Z - Repair and maintenance of computers and peripheral equipment
80.20.Z - Security systems service activities
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
71.20.B - Other technical testing and analysis
71.11.Z - Architectural activities
62.09.Z - Other information technology and computer service activities
62.02.Z - Computer consultancy activities
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
46.51.Z - Wholesale of computers, peripheral equipment and software
43.29.Z - Other construction installation
43.22.Z - Plumbing, heat and air-conditioning installation
26.11.Z - Manufacture of electronic components
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
33.20.Z - Installation of industrial machinery and equipment and outfit
33.14.Z - Repair and maintenance of electrical equipment
33.13.Z - Repair and maintenance of electronic and optical equipment
33.12.Z - Repair and maintenance of machinery
27.90.Z - Manufacture of other electrical equipment
27.33.Z - Manufacture of installing equipment
27.12.Z - Manufacture of electricity distribution and control apparatus
26.20.Z - Manufacture of computers and peripheral equipment
