Company lists · Data refreshed November 2026

Top 25 Security guard management software companies based in the United States

RevenueBase identified 1,395 company matches for security guard management software companies associated with the United States as of November 2026 and tracks 86,251 professional contacts across them, including 6,513 with verified work emails. Los Angeles is the largest hub.

This list covers company matches for security guard management software companies associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
1,395Companies
86,251Contacts tracked
6,513Verified emails
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The 25 largest security guard management software companies based in the United States

Ranked by team size
Top 25 of 1,395 company matches for security guard management software companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchParsippany, MI, United StatesHQ recorded Nov 5, 202610001+40,551 contacts →

Exact match

“Securitas knows Security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchRoswell, UT, United StatesHQ recorded Nov 5, 202610001+4,263 contacts →

Exact match

“U.S.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchSt. Petersburg, FL, United StatesHQ recorded Nov 5, 2026n/a4,040 contacts →

Exact match

“Excelsior Defense is a security and investigations company based out of St.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchPasadena, CA, United StatesHQ recorded Nov 5, 202610001+3,921 contacts →

Exact match

“Everywhere Security Matters™ Inter-Con is one of the largest and fastest-growing physical security and risk management companies in the world.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchChattanooga, VA, United StatesHQ recorded Nov 5, 20265,001-10,0002,341 contacts →

Exact match

“Walden Security is the nation's largest privately held, family-owned and operated, American-owned security company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchBethesda, United StatesHQ recorded Nov 5, 20265,001-10,0001,547 contacts →

Exact match

“Admiral Security Services provides professional armed and unarmed uniformed security officers, unparalleled site management and unwavering corporate support that exceeds client…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchDothan, AL, United StatesHQ recorded Nov 5, 20261,001-5,0001,277 contacts →

Exact match

“DSI Security Services offers armed and unarmed uniformed security guard services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchChicago, IL, United StatesHQ recorded Nov 5, 20261,001-5,0001,209 contacts →

Exact match

“At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchPittsburgh, PA, United StatesHQ recorded Nov 5, 20265,001-10,0001,168 contacts →

Exact match

“Founded in 1982, St.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchSmithtown, PA, United StatesHQ recorded Nov 5, 20265,001-10,000930 contacts →

Exact match

“Arrow Security stands as one of the nation's largest privately held security guard companies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchLos Angeles, CA, United StatesHQ recorded Nov 5, 20261,001-5,000697 contacts →

Exact match

“Professional Security Consultants, Inc.(PSC) is a world-class provider of security guard services, patrol, investigations, backgrounds, consulting, security screening & specialty…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchRichardson, NC, United StatesHQ recorded Nov 5, 20261,001-5,000544 contacts →

Exact match

“COMMITTED PEOPLE.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchNorth Miami Beach, NY, United StatesHQ recorded Nov 5, 20261,001-5,000450 contacts →

Exact match

“At Kent, we’re able to pull from an unequaled pool of business and security products and services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchFort Lauderdale, FL, United StatesHQ recorded Nov 5, 20261,001-5,000364 contacts →

Exact match

“Cambridge Security Services is a private security company that has been in business for more than 30 years.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchRaleigh, OH, United StatesHQ recorded Nov 5, 20261,001-5,000340 contacts →

Exact match

“United American Security was formed in 2010 to bring excellent regional security companies together.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchNorwalk, CT, United StatesHQ recorded Nov 5, 2026501-1,000305 contacts →

Exact match

“At Protos Security we believe in a modern security experience that never settles and dynamically adapts to the evolving needs of businesses.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchRichardson, TX, United StatesHQ recorded Nov 5, 2026501-1,000265 contacts →

Exact match

“GuardTexas is a Texas-owned security services provider delivering professional, dependable protection since 1976.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchBradenton, FL, United StatesHQ recorded Nov 5, 2026201-500244 contacts →

Exact match

“Protecting and securing communities with advanced software and technology-based systems.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchCosta Mesa, CA, United StatesHQ recorded Nov 5, 2026501-1,000221 contacts →

Exact match

“We are a privately owned California security services provider who is committed to excellence in service in every aspect of our business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchBethesda, MD, United StatesHQ recorded Nov 5, 2026201-500212 contacts →

Exact match

“An industry leader in managed access control security solutions and services since 1981, Datawatch Systems is trusted by building owners, property managers, and tenants across the…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Nov 5, 2026201-500206 contacts →

Exact match

“Since 1969, thousands of businesses across the country have entrusted their protection to DGA Security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchSmithtown, NY, United StatesHQ recorded Nov 5, 20261,001-5,000204 contacts →

Exact match

“Strategic Security Corp (SSC) is a nationwide leading provider of integrated security solutions specializing in security guard services, event security, consulting, executive…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchHampton, VA, United StatesHQ recorded Nov 5, 2026501-1,000200 contacts →

Exact match

“Top Guard Security provides uniformed unarmed and armed private security officer services and believes in a balanced approach to private security services management.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchSan Jose, CA, United StatesHQ recorded Nov 5, 2026n/a190 contacts →

Exact match

“Run your security operations seamlessly using Security Guard Web App and Mobile App for guards, security guard companies, and clients.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchFlint, MI, United StatesHQ recorded Nov 5, 2026501-1,000185 contacts →

Exact match

“Since 1981, Teachout Security Solutions has become well-known as industry-leading uniformed security services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 1,395 security guard management software companies based in the United States

See the full list, filter by size, metro and specialty, and access 6,513 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Security guard management software companies based in the United States at a glance

As of Nov 5, 2026
7.6%Verified-email coverage
61.8Average contacts per company
11-50Median size (employees)
3.9%Largest-city concentration · Los Angeles
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
382
11-50
461
51-200
335
201-500
123
501-1,000
48
1,001-5,000
23
5,001-10,000
6
10001+
8

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,395 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “security guard management software companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 6,513 professional contacts with verified work emails across the full matched dataset. 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 November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “security guard management software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many security guard management software companies are there based in the United States?

RevenueBase identified 1,395 company matches for security guard management software companies associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Securitas Security Services Usa, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most security guard management software companies?

Los Angeles leads with 55 company records, followed by New York (46) and Houston (32).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 6,513 professional contacts with verified work emails tracked across these 1,395 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 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 SmartSearch, 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.