Company lists · Data refreshed September 2026
Top 25 Network support outsourcing companies based in Canada
RevenueBase identified 302 network support outsourcing companies headquartered in Canada as of September 2026 and tracks 2,903 professional contacts across them, including 1,149 with verified work emails. Toronto is the largest hub.
This list covers network support outsourcing companies 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 29, 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.
The 25 largest network support outsourcing companies based in Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 876 contacts → | ||||
Partial evidence “NTG CLARITY is a leader in delivering network, telecom, IT and infrastructure solutions to network service providers and medium and large enterprises.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 137 contacts → | ||||
Strong evidence “Operating for 20+ years, Innovatia Technical Services Inc.(ITSI) is a technology outsourcing support partner, assisting clients with workflow & knowledge processes and technical…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 115 contacts → | ||||
Indirect evidence “SysGen Solutions Group is a client-centric IT consulting firm serving small to mid-sized businesses.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 76 contacts → | ||||
Partial evidence “TCS delivers end-to-end Connected IT Solutions, Outsourced IT Support and Managed IT Services so that our clients can focus on their core operations while ensuring their…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 63 contacts → | ||||
Indirect evidence “Spécialisée en services techniques informatiques et solutions technologiques pour PME, notre équipe dessert l’ensemble de la province du Québec.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 51 contacts → | ||||
Indirect evidence “CDMS Inc No matter what your IT environment is, Managed IT Solutions are an important tool for any company concerned with its daily challenges.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 49 contacts → | ||||
Partial evidence “Offering an accessible alternative to outsourcing giants, OS4 Techno specializes in customized hybrid outsourcing by function.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 40 contacts → | ||||
Strong evidence “NeoLore provides personalized client network support solutions backed up by comprehensive Management and Support Systems that deliver efficient and cost effective Information…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 38 contacts → | ||||
Indirect evidence “We are a leading IT services provider based out of Ottawa, Montreal and Toronto.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 26 contacts → | ||||
Partial evidence “Red Rhino Networks provides proactive IT service to manage your computer network.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 25 contacts → | ||||
Indirect evidence “As your trusted IT service provider, Consys Group will assess your needs, help you choose the best hardware and software to provide a hassle-free IT experience.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 25 contacts → | ||||
Partial evidence “Direct Tec offers strategic business IT support and services that is backed by a team of experts you can rely on.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 23 contacts → | ||||
Indirect evidence “Notre mission est d’être votre partenaire en soutien informatique, plutôt qu’un simple fournisseur.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 21 contacts → | ||||
Partial evidence “Since 1986, Tenecom has been providing unsurpassed network solutions, with an emphasis on small to medium sized businesses.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 20 contacts → | ||||
Partial evidence “While we could go on about how we’ve been in business for over 20 years, supporting small to midsize businesses (20 – 100 employees) around Calgary, Red Deer and Edmonton, we’ll…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 19 contacts → | ||||
Indirect evidence “Southampton is an IT solutions company with offices in Moncton, NB and Dartmouth, NS.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 19 contacts → | ||||
Indirect evidence “With over 50 years’ combined experience, Ascentech provides a wide range of services including desktop acquisition and management, server upgrades and maintenance, application…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 19 contacts → | ||||
Indirect evidence “Your Trusted Partner for Award-Winning IT Solutions For nearly two decades, Avenir IT has been the go-to choice for businesses in Winnipeg and Western Canada, delivering fast…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 19 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 18 contacts → | ||||
Indirect evidence “Technical Action Group (TAG) is an Ontario-based managed IT and cybersecurity firm serving SMBs across the continent.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 18 contacts → | ||||
Strong evidence “Libra IT providing your business with IT support including IT outsourcing and PC computer support.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 16 contacts → | ||||
Indirect evidence “You rely on IT to run your business – but IT is not your business.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 16 contacts → | ||||
Indirect evidence “At The Syscomm Group, we're all about trust and respect.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 15 contacts → | ||||
Partial evidence “Pure IT - Calgary's source for IT outsourcing.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 15 contacts → | ||||
Indirect evidence “Compete in today's evolving and global market without having the cost of employing and managing your own IT department.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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: network support outsourcing companies. 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 network support outsourcing companies.
- Partial evidence
- Its own public description names part of network support outsourcing companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name network support outsourcing companies. 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 302 network support outsourcing companies based in Canada
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Network support outsourcing companies based in Canada at a glance
As of Sep 29, 2026Companies by employee count
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 302 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 network support outsourcing companies, 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 “network support outsourcing companies”. 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 network support outsourcing companies), 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 network support outsourcing companies, 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, 1,149 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 29, 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.
Network support outsourcing companies by metro
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 network support outsourcing companies, 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 network support outsourcing companies are there based in Canada?
RevenueBase identified 302 network support outsourcing companies 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?
NTG Clarity, headquartered in Markham, tops this list with the largest team on record.
Which city has the most network support outsourcing companies?
Toronto leads with 33 headquartered companies, followed by Calgary (22) and Montreal (20).
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 1,149 verified decision-maker contacts tracked across these 302 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 29, 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.
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