Company lists · Data refreshed September 2026

Top 25 Communications service providers based in Canada

Name: Communications service providers based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 161 companies tracked

RevenueBase identified 161 communications service providers headquartered in Canada as of September 2026 and tracks 12,592 professional contacts across them, including 3,672 with verified work emails. Toronto is the largest hub.

This list covers communications service providers headquartered in Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

161Companies

12,592Contacts tracked

3,672Verified emails

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The 25 largest communications service providers based in Canada

Ranked by team size

Top 25 of 161 communications service providers based in Canada, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to communications service providers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Videotron	Strong evidence	Montréal (québec), QC, CanadaHQ checked Sep 19, 2026	5,001-10,000	4,270 contacts →
	Strong evidence “Vidéotron s.e.n.c ( http://corpo.videotron.com/carrieres ), filiale à part entière de Quebecor Média inc, est une société intégrée de communications œuvrant dans les domaines de…” Source: RevenueBase Database · checked Sep 19, 2026
2	Cogeco Connexion	Indirect evidence	Montreal, QC, CanadaHQ checked Sep 19, 2026	1,001-5,000	1,807 contacts →
	Indirect evidence “Cogeco delivers 100% local support on a fibre-powered network.” Source: RevenueBase Database · checked Sep 19, 2026
3	Telus Communications	Indirect evidence	Vancouver, BC, CanadaHQ checked Sep 19, 2026	10001+	1,153 contacts →
	Indirect evidence “TELUS (TSX: T, T.A; NYSE: TU) is a leading national telecommunications company in Canada, with $9.6 billion of annual revenue and 12 million customer connections including 6.5…” Source: RevenueBase Database · checked Sep 19, 2026
4	Allstream	Strong evidence	Mississauga, ON, CanadaHQ checked Sep 19, 2026	501-1,000	475 contacts →
	Strong evidence “Allstream is a leader in business communications throughout Canada and the United States.” Source: RevenueBase Database · checked Sep 19, 2026
5	Bell Wholesale	Indirect evidence	Montreal, QC, CanadaHQ checked Sep 19, 2026	10001+	360 contacts →
	Indirect evidence “Bell Wholesale provides industry-leading voice, broadband and IP wholesale products and services across Canada, and in key points in the United States and Europe – helping…” Source: RevenueBase Database · checked Sep 19, 2026
6	Vianet	Indirect evidence	Sudbury, ON, CanadaHQ checked Sep 19, 2026	51-200	323 contacts →
	Indirect evidence “Internet & telecom provider offering services throughout Ontario, specializing in fibre optics, DSL, Cable, and local phone service.” Source: RevenueBase Database · checked Sep 19, 2026
7	Wind Mobile	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 19, 2026	1,001-5,000	294 contacts →
	Indirect evidence “WIND Mobile (Canada) is now Freedom Mobile.” Source: RevenueBase Database · checked Sep 19, 2026
8	Tbaytel	Indirect evidence	Thunder Bay, ON, CanadaHQ checked Sep 19, 2026	201-500	242 contacts →
	Indirect evidence “For over 110 years, Tbaytel has recognized the importance of evolution and innovation.” Source: RevenueBase Database · checked Sep 19, 2026
9	Uniserve Communications Corporation	Strong evidence	Vancouver, BC, CanadaHQ checked Sep 19, 2026	n/a	227 contacts →
	Strong evidence “Uniserve Communications Corporation is an unified communications company offering integrated voice and data services over multiple Internet protocol networks, including cable…” Source: RevenueBase Database · checked Sep 19, 2026
10	Wireless DNA INC	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 19, 2026	51-200	225 contacts →
	Indirect evidence “Wireless DNA is a Canadian telecommunications provider delivering reliable wireless and connectivity solutions for both businesses and consumers nationwide.” Source: RevenueBase Database · checked Sep 19, 2026
11	Valley Fiber LTD	Indirect evidence	Winkler, MB, CanadaHQ checked Sep 19, 2026	201-500	154 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026
12	Comwave	Strong evidence	Toronto, CanadaHQ checked Sep 19, 2026	201-500	136 contacts →
	Strong evidence “Comwave is Canada’s largest independent communications provider, serving Canada coast-to-coast.” Source: RevenueBase Database · checked Sep 19, 2026
13	Itel Networks INC	Indirect evidence	Kamloops, BC, CanadaHQ checked Sep 19, 2026	51-200	130 contacts →
	Indirect evidence “At iTel Networks, we've built the largest business internet, voice, and data footprint in Canada.” Source: RevenueBase Database · checked Sep 19, 2026
14	start.ca	Indirect evidence	London, ON, CanadaHQ checked Sep 19, 2026	51-200	96 contacts →
	Indirect evidence “Start.ca is a London-based high-speed internet service provider (ISP) offering reliable high speed internet access, voice and robust business services such as enterprise fibre…” Source: RevenueBase Database · checked Sep 19, 2026
15	Fibernetics	Indirect evidence	Cambridge, ON, CanadaHQ checked Sep 19, 2026	201-500	92 contacts →
	Indirect evidence “Fibernetics is one of Canada’s fastest growing telecommunications companies whose rapid success has been leveraged by a marriage of established legacy systems with emerging…” Source: RevenueBase Database · checked Sep 19, 2026
16	Câble Axion	Indirect evidence	Magog, QC, CanadaHQ checked Sep 19, 2026	51-200	89 contacts →
	Indirect evidence “THE # 1 CHOICE OF REGIONAL POPULATIONS Founded in 1984, Câble Axion stands out as the 1 choice of consumers for the excellence of its customer service in the 3 regions it covers…” Source: RevenueBase Database · checked Sep 19, 2026
17	Cloudli Communications	Strong evidence	Montréal, CanadaHQ checked Sep 19, 2026	51-200	74 contacts →
	Strong evidence “Cloudli is a leading provider of next generation voice, messaging, and data communications solutions for businesses and consumers.” Source: RevenueBase Database · checked Sep 19, 2026
18	Wightman	Indirect evidence	Clifford, ON, CanadaHQ checked Sep 19, 2026	51-200	69 contacts →
	Indirect evidence “We’re a local telecommunications company that believes in treating people like people!” Source: RevenueBase Database · checked Sep 19, 2026
19	Rally Internet	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 19, 2026	51-200	45 contacts →
	Indirect evidence “Rooted in our core belief that fast, reliable Internet should be accessible and affordable to all, at Rally, we keep things simple by offering a premium fibre Internet service at…” Source: RevenueBase Database · checked Sep 19, 2026
20	Carry Telecom	Strong evidence	Toronto, ON, CanadaHQ checked Sep 19, 2026	11-50	45 contacts →
	Strong evidence “Carry Telecom is an independent ISP having interconnections with Bell Canada, Rogers Communications and Cogeco Communications.” Source: RevenueBase Database · checked Sep 19, 2026
21	Kelcom	Indirect evidence	Windsor, ON, CanadaHQ checked Sep 19, 2026	11-50	42 contacts →
	Indirect evidence “KELCOM - RevolutionIP 1.” Source: RevenueBase Database · checked Sep 19, 2026
22	Selectcom Telecom	Indirect evidence	Montréal, QC, CanadaHQ checked Sep 19, 2026	51-200	36 contacts →
	Indirect evidence “Established in 2002, Selectcom Telecom is one of Canada’s leading providers of voice, data and IP telephony solutions.” Source: RevenueBase Database · checked Sep 19, 2026
23	NRBN	Indirect evidence	Niagara Falls, ON, CanadaHQ checked Sep 19, 2026	11-50	30 contacts →
	Indirect evidence “Niagara Regional Broadband Network Limited (NRBN) is the Niagara Region's leading service provider of high-performance data and voice solutions.” Source: RevenueBase Database · checked Sep 19, 2026
24	Open Connection	Strong evidence	North Vancouver, BC, CanadaHQ checked Sep 19, 2026	51-200	30 contacts →
	Strong evidence “Open Connection has been around to service your personal and business communication needs since 1986.” Source: RevenueBase Database · checked Sep 19, 2026
25	Telehop Communications INC	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 19, 2026	11-50	28 contacts →
	Indirect evidence “Established in 1993, Telehop is a full-service long distance and wireless provider and has grown into one of the largest alternative telecommunications providers to both…” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: communications service providers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names communications service providers.
Partial evidence: Its own public description names part of communications service providers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name communications service providers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 161 communications service providers based in Canada

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Communications service providers based in Canada at a glance

As of Sep 19, 2026

29.2%Verified-email coverage

78.2Average contacts per company

11-50Median size (employees)

15.5%Largest-city concentration · Toronto

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 161 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among communications service providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Canada whose own description of what they do matches “communications service providers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names communications service providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among communications service providers, and records with no verified work email. Companies headquartered outside Canada are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 3,672 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Communications service providers by metro

Communications service providers in Toronto25

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names communications service providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many communications service providers are there based in Canada?

RevenueBase identified 161 communications service providers headquartered in Canada as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Videotron, headquartered in Montreal Quebec, tops this list with the largest team on record.

Which city has the most communications service providers?

Toronto leads with 25 headquartered companies, followed by Montreal (17) and Mississauga (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,672 verified decision-maker contacts tracked across these 161 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.