Definition / Belongs to this divisionThis division includes:
- operation, maintenance and upkeep services providing access to wireless telecommunications (telecommunications) infrastructure (voice, data, text, voice and video transmission equipment)
- maintenance and operation activities related to pager, mobile and other wireless telecommunication networks

Transmitters transmit radio waves in the atmosphere with radiation in all directions, either in one technology or in combination.
also belongs to this sectorThis division also includes:
- the acquisition of access and network capacity from network owners and operators and the use of this capacity to provide wireless business telecommunications services (excluding satellite)
- Internet access provided by the wireless infrastructure manager
It does not belong to this sectorThis division excludes:
- resale of telecommunications services, see 61.90

Definition / Belongs to this divisionThis division includes the publication of journals and other periodicals that appear less than four times a week. Such information may be published in printed or electronic form, including online publication. This division also includes the publishing of radio and television newspapers.

Definition / Belongs to this divisionThis division includes:
- publishing of the following products (including online publishing):
- catalog
- photo, engraving and postcard
- greeting card
- form
- poster, reproduction of a work of art
- advertising material
- other printed matter
- publishing statistics and other information online
It does not belong to this sectorThis division excludes:
- publishing of advertising newspapers, see 58.13
- online software provision, user hosting and application services (ASP), see 63.11