43.21.Z - Electrical installation
27.12.Z - Manufacture of electricity distribution and control apparatus
27.33.Z - Manufacture of installing equipment
27.40.Z - Manufacture of electric lighting equipment
27.90.Z - Manufacture of other electrical equipment
33.12.Z - Repair and maintenance of machinery
33.14.Z - Repair and maintenance of electrical equipment
33.20.Z - Installation of industrial machinery and equipment and outfit
43.29.Z - Other construction installation
47.41.Z - Retail sale of computers, peripheral units and software in specialised stores
47.99.Z - Other retail sale not in stores, stalls or markets
58.29.Z - Other software publishing
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
71.20.B - Other technical testing and analysis
