61.90.Z - Other telecommunications activities
33.20.Z - Installation of industrial machinery and equipment
61.10.Z - Wired telecommunications activities
61.20.Z - Telecommunication reselling activities and intermediation service activities for telecommunication
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
71.12.Z - Engineering activities and related technical consultancy
