Company lists · Data verified August 2026

Top 12 Armed security guard services based in Mississauga, Canada

Name: Armed security guard services based in Mississauga, Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 41 companies tracked

There are 41 armed security guard services headquartered in Mississauga, Canada (RevenueBase, August 2026). RevenueBase tracks 1,781 professional contacts across them, including 135 with verified work emails and 40 with mobile numbers. Toronto is the largest hub.

This list covers armed security guard services headquartered in Mississauga, 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.

41Companies

1,781Contacts tracked

135Verified emails

40Mobile numbers

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The 12 largest armed security guard services based in Mississauga, Canada

Ranked by team size

Top 12 of 41 armed security guard services based in Mississauga, 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	Regal Security INC	Mississauga, ON	1,001-5,000	360	18
2	ASP Incorporated	Mississauga, ON	1,001-5,000	326	76
3	RBG Security INC	Mississauga, ON	201-500	110	9
4	Xtreme Security INC	Mississauga, ON	1,001-5,000	104	7
5	Iron Horse Security	Mississauga, ON	1,001-5,000	100	7
6	Legacy Protection Services	Mississauga, ON	201-500	89	4
7	Pennine Security Solutions	Mississauga, ON	51-200	69	2
8	North American Security Services	Mississauga, ON	11-50	37	3
9	MGL Protection Services	Mississauga, ON	11-50	14	3
10	Immediate Response Service	Mississauga, ON	51-200	14	2
11	Vista Security & Investigations	Mississauga, ON	501-1,000	4	3
12	Stonewall Security Services INC	Mississauga, ON	51-200	3	1

Showing 12 of 41 armed security guard services based in Mississauga, Canada

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Armed security guard services based in Mississauga, Canada at a glance

As of Aug 28, 2026

51-200Median size (employees)

TorontoLargest hub · 95 HQs

40Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

11-50

51-200

201-500

501-1,000

1,001-5,000

Armed security guard services by metro in Canada

Metro	Companies
Armed security guard services in Toronto	95
Armed security guard services in Mississauga	41
Armed security guard services in Calgary	40
Armed security guard services in Vancouver	35
Armed security guard services in Surrey	34
Armed security guard services in Edmonton	34
Armed security guard services in Montreal	33
Armed security guard services in Ottawa	25

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 “armed security guard services”, with match quality audited by blind human judging, and headquartered in Mississauga, 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; 1 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 armed security guard services are there based in Mississauga, Canada?

There are 41 armed security guard services headquartered in Mississauga, Canada as of August 2026 (RevenueBase).

What is the largest company on this list?

Regal Security INC, headquartered in Mississauga, tops this list with the largest team on record.

Which city has the most armed security guard services?

Toronto leads with 95 headquartered companies, followed by Mississauga (41) and Calgary (40).

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 135 verified decision-maker contacts tracked across these 41 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.