Subsector

517 Telecommunications

Télécommunications

Official definition

This subsector comprises establishments primarily engaged in providing telecommunications and/or video entertainment services over their own networks, or over networks operated by others. The establishments of this subsector are grouped into industries on the basis of the nature of services provided (fixed or mobile), the type of network used to deliver those services (wireline or wireless), and the business model they employ (facilities-based or resale).

Classification Reference

Official classification fields for this page

Official classification fields taken from the current StatCan source bundle.

Characteristic Description
Official titleTelecommunications
ClassificationNAICS Canada 2022 Version 1.0
Publishing authorityStatistics Canada
Hierarchical levelSubsector
Parent code51 - Information and cultural industries
International correspondenceISIC Rev. 4; harmonized with US and Mexico NAICS at higher levels.
Sourcehttps://www.statcan.gc.ca/en/subjects/standard/naics/2022/v1/index
Source verification2026-07-17
Canada Business Context

Canada-wide tax and filing context

Canada-wide business, tax, and filing context from the local country pack and tax pack.

Characteristic Description
Tax authorityCanada Revenue Agency (CRA)
Business identifierBusiness Number (BN): 9-digit identifier with program account suffixes such as RT0001 for GST/HST, RP0001 for payroll, and RC0001 for corporate income tax.
Filing requirementsBusiness Number registration; Form T2125 (Statement of Business or Professional Activities) attached to T1; Form T2 (Corporation Income Tax Return); Form T5013; Form GST34
Sector authorityOffice of the Privacy Commissioner of Canada and Quebec Law 25 authorities

Exclusions

  • installation and maintenance of broadcasting and telecommunications systems by independent contractors (See 23 Construction)
  • pay and specialty television broadcasting (See 516211 Pay and specialty television (CAN))
  • radio and television broadcasting (See 5161 Radio and television broadcasting stations)

Classification Confidence Score

3 of 5 factors passing

6/ 10
Verified official sourcenaics-scian-2022-structure-v1-eng.csv (2026-07-17)
International crosswalkNo international correspondence found
Previous edition migrationNAICS 2017 to 2022 continuity confirmed
Complete hierarchy2 levels confirmed in hierarchy
Size or threshold documentedNot applicable for hub levels
Trade or export matchNo direct HS code correspondence in current bundle
Legacy crosswalkLegacy system (SIC 1980) retired in this region
Business Profiles

When you might need code 517

Professions specific to this sector are linked to this part of the Canadian classifier so the page speaks to real work teams.

01 517
Digital publisher

Use this page when the file covers online editorial products, digital subscriptions, content release planning, and ad placements. It helps confirm whether 517 Telecommunications is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

02 517
Telecom network product manager

Use this page when the file covers telecom offerings, subscriber products, network service packaging, and rollout plans. It helps confirm whether 517 Telecommunications is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

03 517
Film post-production coordinator

Use this page when the file covers edit suites, sound finishing, delivery masters, and post workflow. It helps confirm whether 517 Telecommunications is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

04 517
Data processing service operator

Use this page when the file covers hosted processing jobs, database runs, batch output, and managed platform services. It helps confirm whether 517 Telecommunications is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

Business Map

Business categories in this branch

A rotating set of business activity examples linked to this part of the Canadian hierarchy.

Streaming mediaData processingPlatform servicesTelecom operations

Source row

517Telecommunications

This page mirrors the source row from the structure CSV and the matching rows from the elements and crosswalk files.

Frequently asked questions

What does code 517 cover?

Telecommunications: This subsector comprises establishments primarily engaged in providing telecommunications and/or video entertainment services over their own networks, or over networks operated by others. The establishments of this subsector are grouped into industries on the...

Which level of the hierarchy is 517?

It is a subsector page in the NAICS Canada 2026 hierarchy.

What is the parent of 517?

It rolls up to 51 Information and cultural industries.

Should I stop at 517 or go lower?

3 lower-level item(s) sit under this branch: Wired and wireless telecommunications carriers(except satellite), Satellite telecommunications, Other telecommunications.

Are official inclusion notes attached to 517?

No inclusion rows are attached to this page in the local elements file.

Are there exclusion notes for 517?

Yes. 3 exclusion note(s) help separate this page from nearby codes.

Does 517 include illustrative examples?

No example rows are attached on this page in the local elements file.

What kinds of businesses often start from this page?

Examples in this branch include Streaming media, Data processing, Platform services, Telecom operations.

Is there an ISIC mapping for 517?

No ISIC correspondence row is attached to this page.

Does this page show a US NAICS reference?

No same-code US NAICS reference row is attached on this page.

Why are both English and French titles shown?

NAICS Canada is bilingual, so the page keeps both language titles visible for comparison and lookup.

Where does the page text come from?

From the local StatCan structure file, elements file, ISIC crosswalk, and the bundled US 6-digit reference workbook.