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Company lists · Data verified August 2026

Top 25 Armed security guard companies based in the United States

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 3,808 companies tracked

There are 3,808 armed security guard companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 148,404 professional contacts across them, including 10,829 with verified work emails and 43,542 with mobile numbers. New York is the largest hub.

This list covers armed security guard companies headquartered in the 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.

3,808Companies
148,404Contacts tracked
10,829Verified emails
43,542Mobile numbers
Unlock all 3,808 companies Free account · no credit card · 2 minutes

The 25 largest armed security guard companies based in the United States

Ranked by team size
Top 25 of 3,808 armed security guard companies based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1Security Industry SpecialistsMiami, FL5,001-10,0002,503241
2Andy Frain ServicesAurora, IL5,001-10,0002,265199
3Walden SecurityCharlotte, NC5,001-10,0002,167153
4Whelan SecurityMetairie, LA5,001-10,0001,78458
5HSSDenver, CO5,001-10,0001,72862
6Sunstates SecurityDallas, TX5,001-10,0001,629251
7Admiral Security ServicesBethesda, MD5,001-10,0001,438244
8Weiser Security Services, INCNew Orleans, LA1,001-5,0001,389134
9DSI Security ServicesDothan, AL1,001-5,0001,186125
10Titan Security GroupChicago, IL1,001-5,0001,133219
11PER MAR Security ServicesDavenport, IA1,001-5,0001,122203
12St. Moritz Security Services, INCDallas, TX5,001-10,0001,057187
13First Coast SecurityTampa, FL1,001-5,000920109
14Arrow SecurityHartford, CT5,001-10,000836126
15BAY Alarm CompanyHayward, CA1,001-5,000795387
16SecuramericaAtlanta, GA5,001-10,0007834
17Northeast Security INCWestwood, MA1,001-5,000744185
18DK SecurityGrand Rapids, MI1,001-5,00057031
19Ranger AmericanSan Juan1,001-5,00051134
20Imperial SecurityMemphis, TN1,001-5,0004521
21Valor Security ServicesMarietta, GA1,001-5,0004513
22Star Protection Agency, LLCLas Vegas, NV1,001-5,0004504
23Summit Security Services, INCNew Haven, CT1,001-5,0004281
24Security Engineers, INCNashville, TN1,001-5,00041463
25Elite Security & StaffingMiami Gardens, FL5,001-10,00037527

Showing 25 of 3,808 armed security guard companies based in the United States

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Armed security guard companies based in the United States at a glance

As of Aug 28, 2026
11-50Median size (employees)
New YorkLargest hub · 129 HQs
43,542Contacts with mobile numbers
50Emails re-verified in last 30 days

Companies by employee count

1-10
1,130
11-50
1,287
51-200
833
201-500
294
501-1,000
131
1,001-5,000
70
5,001-10,000
20

Armed security guard companies by metro

MetroCompanies
Armed security guard companies in New York129
Armed security guard companies in Los Angeles126
Armed security guard companies in Houston94
Armed security guard companies in Miami79
Armed security guard companies in Chicago58
Armed security guard companies in Atlanta58
Armed security guard companies in Las Vegas51

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 the 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; 50 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 the United States?

There are 3,808 armed security guard companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Security Industry Specialists, headquartered in Miami, 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 10,829 verified decision-maker contacts tracked across these 3,808 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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Related lists

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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.

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