Company lists · Data refreshed September 2026

Top 9 Healthcare security companies based in Los Angeles, United States

RevenueBase identified 38 company matches for healthcare security companies associated with Los Angeles, United States as of September 2026 and tracks 462 professional contacts across them, including 44 with verified work emails and 121 with mobile numbers. Across the United States, Los Angeles is the largest hub for this category.

This list covers company matches for healthcare security companies associated with Los Angeles, 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 September 12, 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 Sep 12, 2026 How this list was built
38Companies
462Contacts tracked
44Verified emails
121Mobile numbers
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The 9 largest healthcare security companies based in Los Angeles, United States

Ranked by team size
Top 9 of 38 company matches for healthcare security companies based in Los Angeles, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 12, 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 matchLos Angeles, CA, United StatesHQ recorded Sep 12, 2026501-1,000102 contacts →

Exact match

“A security company committed to serving our clients at the highest level.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
2Exact matchLos Angeles, CA, United StatesHQ recorded Sep 12, 202651-20032 contacts →

Exact match

“Allied International Security offers armed/unarmed Guards, Patrol Services, CCTV Surveillance for businesses, construction sites, schools, etc.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
3Exact matchLos Angeles, CA, United StatesHQ recorded Sep 12, 202611-5028 contacts →

Exact match

“Ollivier Corporation specializes in physical and networked security solutions to secure company assets, personnel, facilities, data, and to prevent fraud.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
4Exact matchLos Angeles, CA, United StatesHQ recorded Sep 12, 2026201-50013 contacts →

Exact match

“At Aventus Security, we are more than just a security service provider – we are your partners in safeguarding what matters most.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
5Exact matchLos Angeles, CA, United StatesHQ recorded Sep 12, 202611-5010 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
6Exact matchLos Angeles, CA, United StatesHQ recorded Sep 12, 202611-506 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
7Exact matchLos Angeles, CA, United StatesHQ recorded Sep 12, 202651-2003 contacts →

Exact match

“Aable Security has been protecting Los Angeles since 1998 with one promise, dependable security you can trust.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
8Exact matchLos Angeles, CA, United StatesHQ recorded Sep 12, 202651-2001 contacts →

Exact match

“Next Level Protection Services is a premier private security company based in Greater Los Angeles, committed to delivering unmatched protection through professionalism, vigilance…”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
9Exact matchLos Angeles, CA, United StatesHQ recorded Sep 12, 202611-501 contacts →

Exact match

“Alpha Private Protection is a leading security firm dedicated to providing exceptional protection and peace of mind to businesses across various industries.”

Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase

Showing 9 of 38 healthcare security companies based in Los Angeles, United States

See the full list, filter by size, metro and specialty, and access 44 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Healthcare security companies based in Los Angeles, United States at a glance

As of Sep 12, 2026
9.5%Verified-email coverage
26.2%Mobile-number coverage
12.2Average contacts per company
51-200Median size (employees)
Sep 12, 2026Page data refreshed

Companies by employee count

1-10
4
11-50
12
51-200
13
201-500
4
501-1,000
2
1,001-5,000
2
5,001-10,000
1

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 15.0d

Company record updated

Median 76.0d

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 Los Angeles, United States whose business descriptions match “healthcare security 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 44 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 September 12, 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.

Healthcare security companies by metro in the United States

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 “healthcare security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many healthcare security companies are there based in Los Angeles, United States?

RevenueBase identified 38 company matches for healthcare security companies associated with Los Angeles, United States as of September 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?

Global Security Concepts tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most healthcare security companies?

Los Angeles leads the United States with 37 company records, followed by New York (30) and Miami (23).

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 44 professional contacts with verified work emails tracked across these 38 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 September 12, 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.