Company lists · Data verified August 2026

Top 16 Armed security guard companies based in Chicago, United States

Name: Armed security guard companies based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 58 companies tracked

There are 58 armed security guard companies headquartered in Chicago, United States (RevenueBase, August 2026). RevenueBase tracks 2,093 professional contacts across them, including 270 with verified work emails and 636 with mobile numbers. New York is the largest hub.

This list covers armed security guard companies headquartered in Chicago, United States, 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.

58Companies

2,093Contacts tracked

270Verified emails

636Mobile numbers

Unlock all 58 companies Free account · no credit card · 2 minutes

The 16 largest armed security guard companies based in Chicago, United States

Ranked by team size

Top 16 of 58 armed security guard companies based in Chicago, United States, 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	Titan Security Group	Chicago, IL	1,001-5,000	1,133	219
2	Safety Service Systems Inc. S3, INC	Chicago, IL	501-1,000	140	1
3	Prudential Defense Solutions	Chicago, IL	1,001-5,000	62	3
4	Black Knight Security	Chicago, IL	201-500	48	6
5	Mfort Security Services	Chicago, IL	201-500	45	9
6	Extrity Services	Chicago, IL	51-200	35	5
7	Arms Security Corporation	Chicago, IL	501-1,000	25	4
8	Benford Protection Group	Chicago, IL	11-50	25	3
9	Lawdog Security & Investigations INC	Chicago, IL	51-200	19	3
10	Halo Security Group	Chicago, IL	201-500	18	5
11	Universal Security	Chicago, IL	201-500	13	2
12	Inner Valor, INC	Chicago, IL	201-500	13	1
13	Valle Services	Chicago, IL	11-50	10	4
14	Stark Security INC	Chicago, IL	11-50	7	2
15	Securidad Partners Inc. MBE	Chicago, IL	51-200	5	1
16	E'clat Security Group, Pllc	Chicago, IL	11-50	3	2

Showing 16 of 58 armed security guard companies based in Chicago, United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 270 reachable decision-makers.

Free account · no credit card

See all 58 companies

Armed security guard companies based in Chicago, United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 129 HQs

636Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Armed security guard companies by metro in the United States

Metro	Companies
Armed security guard companies in New York	129
Armed security guard companies in Los Angeles	126
Armed security guard companies in Houston	94
Armed security guard companies in Miami	79
Armed security guard companies in Chicago	58
Armed security guard companies in Atlanta	58
Armed security guard companies in Las Vegas	51

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 companies”, with match quality audited by blind human judging, and headquartered in Chicago, United States.
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 companies are there based in Chicago, United States?

There are 58 armed security guard companies headquartered in Chicago, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Titan Security Group, headquartered in Chicago, tops this list with the largest team on record.

Which city has the most armed security guard companies?

New York leads with 129 headquartered companies, followed by Los Angeles (126) and Houston (94).

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 270 verified decision-maker contacts tracked across these 58 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.

Ready to reach these companies? Verified emails and direct dials for all 58 armed security guard companies based in Chicago, United States. Start with a free account, no credit card.

Get the full list

Related lists

Armed security guard companies by geography

Browse the directory

Browse: Companies home · Armed security guard companies in United States · All United States lists · All Armed security guard companies lists · New lists

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.