61.20.Z - Telecommunication reselling activities and intermediation service activities for telecommunication
33.14.Z - Repair and maintenance of electrical equipment
33.20.Z - Installation of industrial machinery and equipment
42.22.Z - Construction of utility projects for electricity and telecommunications
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
61.10.Z - Wired telecommunications activities
61.90.Z - Other telecommunications activities
62.02.Z - Computer consultancy activities
62.09.Z - Other information technology and computer service activities
95.11.Z - Repair and maintenance of computers and peripheral equipment
