42.21.Z - Construction of utility projects for fluids
42.99.Z - Construction of other civil engineering projects n.e.c.
43.12.Z - Site preparation
43.99.Z - Other specialised construction activities n.e.c.
46.52.Z - Wholesale of electronic and telecommunications equipment and parts thereof
46.90.Z - Non-specialised wholesale trade
47.42.Z - Retail sale of telecommunications equipment in specialised stores
47.99.Z - Other retail sale not in stores, stalls or markets
61.20.Z - Telecommunication reselling activities and intermediation service activities for telecommunication
71.12.Z - Engineering activities and related technical consultancy
