Company lists · Data verified August 2026

Top 16 Big data security companies based in Canada

Name: Big data security companies based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 45 companies tracked

There are 45 big data security companies headquartered in Canada (RevenueBase, August 2026). RevenueBase tracks 14,617 professional contacts across them, including 8,621 with verified work emails and 2,956 with mobile numbers. Toronto is the largest hub.

This list covers big data security companies headquartered in Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

45Companies

14,617Contacts tracked

8,621Verified emails

2,956Mobile numbers

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The 16 largest big data security companies based in Canada

Ranked by team size

Top 16 of 45 big data security companies based in Canada, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Fortinet	Ottawa, ON	10001+	14,326	8,520
2	datastealth.io	Mississauga, ON	51-200	83	45
3	KOM Software	Ottawa, ON	11-50	24	7
4	Eideticom	Calgary, AB	11-50	14	11
5	Cryptomill Cybersecurity Solutions	Toronto, ON	11-50	14	7
6	Cord3 Innovation Data-Centric Security	Ottawa, ON	11-50	12	9
7	Evizone LTD	Montreal, QC	11-50	12	1
8	TITUS	Ottawa, ON	201-500	10	2
9	Clickcontrol	Montreal, QC	11-50	8	8
10	KBE Intelligence	Toronto, ON	1-10	6	1
11	Edmonton IT Support And IT Services From RJ Systems	Edmonton, AB	1-10	4	2
12	Maintegrity INC	Calgary, AB	1-10	4	2
13	Secur-It Data Solutions	Toronto, ON	1-10	2	2
14	Cyber Protect Plus	Markham, ON	1-10	2	2
15	Leonovus INC	Ottawa, ON	11-50	1	1
16	Security Hounds International Corp	Edmonton, AB	1-10	1	1

Showing 16 of 45 big data security companies based in Canada

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Big data security companies based in Canada at a glance

As of Aug 28, 2026

11-50Median size (employees)

TorontoLargest hub · 10 HQs

2,956Contacts with mobile numbers

44Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

10001+

Big data security companies by metro

Metro	Companies
Big data security companies in Toronto	10
Big data security companies in Ottawa	8
Big data security companies in Calgary	4
Big data security companies in Vancouver	4
Big data security companies in Montreal	3
Big data security companies in Edmonton	2
Big data security companies in Markham	2
Big data security companies in Kitchener	1

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “big data security companies”, with match quality audited by blind human judging, and headquartered in Canada.
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: Contact records re-verify on a rolling cadence; 44 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many big data security companies are there based in Canada?

There are 45 big data security companies headquartered in Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Fortinet, headquartered in Ottawa, tops this list with the largest team on record.

Which city has the most big data security companies?

Toronto leads with 10 headquartered companies, followed by Ottawa (8) and Calgary (4).

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 8,621 verified decision-maker contacts tracked across these 45 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.