Company lists · Data refreshed November 2026

Top 25 Surveillance services based in the United States

RevenueBase identified 3,985 company matches for surveillance services associated with the United States as of November 2026 and tracks 80,401 professional contacts across them, including 13,764 with verified work emails. New York is the largest hub.

This list covers company matches for surveillance services 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 6, 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 6, 2026 How this list was built
3,985Companies
80,401Contacts tracked
13,764Verified emails
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The 25 largest surveillance services based in the United States

Ranked by team size
Top 25 of 3,985 company matches for surveillance services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchRoswell, UT, United StatesHQ recorded Nov 6, 202610001+4,263 contacts →

Exact match

“U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSt. Petersburg, FL, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
3Exact matchPasadena, CA, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
4Exact matchHerndon, VA, United StatesHQ recorded Nov 6, 202610001+1,928 contacts →

Exact match

“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDothan, AL, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
7Exact matchParsippany, VA, United StatesHQ recorded Nov 6, 202610001+1,203 contacts →

Exact match

“SOS Security is a known innovator and leader in the security and protective services industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 20265,001-10,0001,168 contacts →

Exact match

“Founded in 1982, St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchWest Palm Beach, TN, United StatesHQ recorded Nov 6, 2026501-1,000927 contacts →

Exact match

“Security 101® is a nationwide leader in designing, installing, and maintaining advanced security systems tailored to the unique needs of organizations of all sizes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchReston, VA, United StatesHQ recorded Nov 6, 20261,001-5,000862 contacts →

Exact match

“L-3 National Security Solutions was acquired by CACI International Inc on February 1, 2016.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchUniontown, IL, United StatesHQ recorded Nov 6, 202610001+837 contacts →

Exact match

“Securitas knows Security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchWestwood, MA, United StatesHQ recorded Nov 6, 20261,001-5,000767 contacts →

Exact match

“Improving Security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAmerican Fork, UT, United StatesHQ recorded Nov 6, 2026501-1,000753 contacts →

Exact match

“LVT provides rapidly-deployable surveillance hardware that runs on our proprietary SaaS platform.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSan Antonio, TX, United StatesHQ recorded Nov 6, 2026201-500709 contacts →

Exact match

“Pro-Vigil is the smartest, fastest, most reliable, surveillance and monitoring solution, to enable you to focus on your core business, whether that’s in construction, an auto…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
16Exact matchHerndon, VA, United StatesHQ recorded Nov 6, 20261,001-5,000696 contacts →

Exact match

“OMNIPLEX World Services Corporation is a leader and innovator in delivering professional background investigations, intelligence support, and physical security services to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBoulder, CO, United StatesHQ recorded Nov 6, 20261,001-5,000602 contacts →

Exact match

“Established in 1978, BI Incorporated offers government agencies a complete continuum of electronic monitoring technologies and services for reliable community supervision of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchDallas, TX, United StatesHQ recorded Nov 6, 2026201-500593 contacts →

Exact match

“ECAM, a GardaWorld company, provides proactive live video surveillance solutions for businesses and properties in cities all across North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchGrand Rapids, MI, United StatesHQ recorded Nov 6, 20261,001-5,000592 contacts →

Exact match

“DK Security is unique in that it offers a single company for a wide ranging availability of security and investigative services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 2026501-1,000573 contacts →

Exact match

“Interface Systems combines AI-powered technologies with expert remote video monitoring from its US-based Interactive Security Operations Centers (iSOCs).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSan Juan, United StatesHQ recorded Nov 6, 20261,001-5,000540 contacts →

Exact match

“Founded in 1982, Ranger American is a professional security organization with an extensive background in the security and investigation fields.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSyracuse, NY, United StatesHQ recorded Nov 6, 2026501-1,000515 contacts →

Exact match

“Rapid Response Monitoring is a leading provider of professional monitoring services founded in 1992.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNorth Miami Beach, NY, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
24Exact matchSt. Paul, IA, United StatesHQ recorded Nov 6, 20261,001-5,000420 contacts →

Exact match

“American Security & Investigations has provided security and investigative services throughout the upper midwest since 1959.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSouthfield, OH, United StatesHQ recorded Nov 6, 2026501-1,000408 contacts →

Exact match

“Guardian Alarm is one of the largest independently-owned security companies protecting both homes and businesses throughout the Midwest.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 3,985 surveillance services based in the United States

See the full list, filter by size, metro and specialty, and access 13,764 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Surveillance services based in the United States at a glance

As of Nov 6, 2026
17.1%Verified-email coverage
20.2Average contacts per company
11-50Median size (employees)
2.3%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,765
11-50
1,357
51-200
573
201-500
141
501-1,000
71
1,001-5,000
38
5,001-10,000
5
10001+
14

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 3,985 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 “surveillance services” 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 13,764 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 6, 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 “surveillance services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many surveillance services are there based in the United States?

RevenueBase identified 3,985 company matches for surveillance services 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?

U.S. Security Associates, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most surveillance services?

New York leads with 93 company records, followed by Houston (83) and Los Angeles (77).

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 13,764 professional contacts with verified work emails tracked across these 3,985 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 6, 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.