43.21.Z - Electrical installation
33.14.Z - Repair and maintenance of electrical equipment
33.20.Z - Installation of industrial machinery and equipment and outfit
42.22.Z - Works related to construction of telecommunications and electricity lines
43.22.Z - Plumbing, heat and air-conditioning installation
43.29.Z - Other construction installation
43.91.Z - Roofing activities
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
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
47.54.Z - Retail sale of electrical household appliances in specialised stores
62.01.Z - Computer programming activities
62.02.Z - Computer consultancy activities
71.12.Z - Engineering activities and related technical consultancy
74.10.Z - Specialised design activities
85.59.B - Other out-of-school forms of education, not elsewhere classified
