Company lists · Data refreshed September 2026
Top 20 Commercial security consultants based in Los Angeles, United States
RevenueBase identified 49 commercial security consultants headquartered in Los Angeles, United States as of September 2026 and tracks 1,027 professional contacts across them, including 98 with verified work emails. Across the United States, New York is the largest hub for this category (86 companies); Los Angeles has 49.
This list covers commercial security consultants headquartered in Los Angeles, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 20 largest commercial security consultants based in Los Angeles, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 626 contacts → | ||||
Strong evidence “Professional Security Consultants, Inc.(PSC) is a world-class provider of security guard services, patrol, investigations, backgrounds, consulting, security screening & specialty…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 91 contacts → | ||||
Partial evidence “Black Box Security Inc.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 32 contacts → | ||||
Indirect evidence “At BGI, we approach every project with a best practices philosophy and an aim to balance risks and threats with global market standards.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 32 contacts → | ||||
Partial evidence “Allied International Security offers armed/unarmed Guards, Patrol Services, CCTV Surveillance for businesses, construction sites, schools, etc.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 13 contacts → | ||||
Partial evidence “At Aventus Security, we are more than just a security service provider – we are your partners in safeguarding what matters most.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 12 contacts → | ||||
Partial evidence “American Global Security aims to place the bar high for personal protection solutions in California by using advanced methods, acquiring the greatest of expectations for our…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 11 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 9 contacts → | ||||
Partial evidence “If you need safety, you need D&S Security!” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 8 contacts → | ||||
Partial evidence “CCTV Sales, CCTV Installation, Security Consultation Services, Armed & Unarmed Uniformed Security Guards, Marked Vehicle Patrol Services, and Virtual Security Guards.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 5 contacts → | ||||
Indirect evidence “Established in 1983.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 5 contacts → | ||||
Indirect evidence “Low Ready Protection is a Veteran owned organization with over 20 years of industry experience.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 5 contacts → | ||||
Partial evidence “Founded by ex-Israeli Police Special Forces Officer, ITAC provides specialty security services and tactical training.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3 contacts → | ||||
Partial evidence “Aable Security has been protecting Los Angeles since 1998 with one promise, dependable security you can trust.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 2 contacts → | ||||
Indirect evidence “Triad Consulting was formed by long-time industry professionals with proven track records of excellence.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 2 contacts → | ||||
Partial evidence “We are here to offer our customers the best IT Services and Security solutions that help keep their businesses operational and cost effective.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 2 contacts → | ||||
Indirect evidence “US Armor Group’s Executive Team’s background include former Elite Military Special Operation and Law Enforcement Special Unit members, giving us the ability to address the threats…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 2 contacts → | ||||
Partial evidence “Digital Security Consulting offers information security consulting services to help our clients avoid costly breaches of security that often result in financial losses, a loss of…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 1 contacts → | ||||
Partial evidence “Next Level Protection Services is a premier private security company based in Greater Los Angeles, committed to delivering unmatched protection through professionalism, vigilance…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 1 contacts → | ||||
Indirect evidence “Strategic advisory services, risk assessments, physical protection, threat intelligence and training services.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1 contacts → | ||||
Indirect evidence “CTI Defense was founded based on the ever-growing need to safeguard our nation’s most critical technologies, supply chains, and infrastructure.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: commercial security consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names commercial security consultants.
- Partial evidence
- Its own public description names part of commercial security consultants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name commercial security consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 20 of 49 commercial security consultants based in Los Angeles, United States
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Commercial security consultants based in Los Angeles, United States at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Los Angeles, so it is reported there. Company counts and contact totals on this page are exact for Los Angeles, over 49 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among commercial security consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Los Angeles, United States whose own description of what they do matches “commercial security consultants”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names commercial security consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among commercial security consultants, and records with no verified work email. Companies headquartered outside Los Angeles are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 98 across the full list. 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 27, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Commercial security consultants by metro in the United States
- Commercial security consultants in New York86
- Commercial security consultants in Houston60
- Commercial security consultants in Miami53
- Commercial security consultants in Dallas41
- Commercial security consultants in Atlanta40
- Commercial security consultants in Chicago36
- Commercial security consultants in Washington32
- Commercial security consultants in Austin28
- Commercial security consultants in Phoenix27
- Commercial security consultants in Charlotte25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names commercial security consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many commercial security consultants are there based in Los Angeles, United States?
RevenueBase identified 49 commercial security consultants headquartered in Los Angeles, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Professional Security Consultants, INC, headquartered in Los Angeles, tops this list with the largest team on record.
Which city in the United States has the most commercial security consultants?
New York leads the United States with 86 headquartered companies, followed by Houston (60) and Miami (53). Los Angeles has 49.
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 98 verified decision-maker contacts tracked across these 49 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 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 Smart Search, 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.
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