Company lists · Data refreshed September 2026
Top 25 Hospital security services based in the United States
RevenueBase identified 568 hospital security services headquartered in the United States as of September 2026 and tracks 14,972 professional contacts across them, including 3,231 with verified work emails and 4,758 with mobile numbers. New York is the largest hub.
This list covers hospital security services headquartered in the 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 3, 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 25 largest hospital security services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,055 contacts → | ||||
Partial evidence “Excelsior Defense is a security and investigations company based out of St.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,133 contacts → | ||||
Partial evidence “At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,057 contacts → | ||||
Indirect evidence “Founded in 1982, St.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 4 | 850 contacts → | ||||
Partial evidence “Security 101® is a nationwide leader in designing, installing, and maintaining advanced security systems tailored to the unique needs of organizations of all sizes.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 5 | 363 contacts → | ||||
Partial evidence “LenelS2 is a global leader in advanced physical security solutions, including access control, video surveillance and mobile credentialing.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 6 | 303 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 7 | 249 contacts → | ||||
Partial evidence “Minuteman Security & Life Safety is a leading provider of enterprise security system technology solutions.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 8 | 233 contacts → | ||||
Partial evidence “One of the largest privately held national electronic security system integrator in the USA, NAVCO keeps you one step ahead of ever-changing technology.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 9 | 207 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 10 | 182 contacts → | ||||
Partial evidence “AMAG Technology is a market leader in Physical Access Control, Identity Management and integrated security solutions.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 11 | 163 contacts → | ||||
Partial evidence “Security Guard and Technology Services.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 12 | 156 contacts → | ||||
Partial evidence “Since 1967, Vicon has been a leading provider of mission-critical security surveillance systems.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 13 | 147 contacts → | ||||
Partial evidence “With over two decades of trusted expertise since ENS Security stands above the competition as your premier destination for wholesale security solutions.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 14 | 143 contacts → | ||||
Partial evidence “For almost 40 years, VTI has been called upon and recognized by our industry for a full range of advanced physical security technologies.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 15 | 143 contacts → | ||||
Indirect evidence “At Kellington Protection Service “KPS”, we understand what is necessary to handle the new challenges and responsibilities constantly evolving in commercial and residential…” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 16 | 112 contacts → | ||||
Partial evidence “Brantley Security provides quality security services through quick response, experienced management and an unmatched attention to detail.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 17 | 85 contacts → | ||||
Indirect evidence “For over a decade Ramco has provided integrated and innovative access control solutions ranging from cameras, entry software, automated gate systems, guard service personnel…” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 18 | 80 contacts → | ||||
Partial evidence “Since 1987, JMG SECURITY SYSTEMS has proudly provided businesses throughout Southern California with top-of-the-line security system solutions.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 19 | 73 contacts → | ||||
Indirect evidence “Peak Alarm Company, Inc.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 20 | 68 contacts → | ||||
Partial evidence “DMAC Security is a professional security services provider offering armed and unarmed guards, mobile patrol, fire watch, and surveillance solutions.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 21 | 65 contacts → | ||||
Partial evidence “Our focus is on professionalism in service to our broad base of clients, ranging from Healthcare and Museums to Hospitality and Industry.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 22 | 62 contacts → | ||||
Partial evidence “Prudential Defense Solutions is a full‑service security provider offering professional guard services, door staff, and government‑contractor.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 23 | 61 contacts → | ||||
Partial evidence “A&H Security Services, is a certified NYC MBE security services provider who makes a difference in our community.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 24 | 59 contacts → | ||||
Partial evidence “RAE Security is a customer centric Security business.” Source: RevenueBase Database · checked Sep 3, 2026Thanks. The Data Team will review it. | |||||
| 25 | 58 contacts → | ||||
Partial evidence “Setronics, based near Boston, MA, is a leading security systems integrator and distributor that helps institutions and businesses protect people, premises, operations and assets…” Source: RevenueBase Database · checked Sep 3, 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: hospital security services. 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 hospital security services.
- Partial evidence
- Its own public description names part of hospital security services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name hospital security services. 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 25 of 568 hospital security services based in the United States
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Hospital security services based in the United States at a glance
As of Sep 3, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 hospital security services, 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 the United States whose own description of what they do matches “hospital security services”. 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 hospital security services), 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 hospital security services, and records with no verified work email. Companies headquartered outside United States 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, 3,231 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 3, 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.
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 hospital security services, 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 hospital security services are there based in the United States?
RevenueBase identified 568 hospital security services headquartered in the 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?
Unemployed, headquartered in St. Petersburg, tops this list with the largest team on record.
Which city has the most hospital security services?
New York leads with 13 headquartered companies, followed by Los Angeles (12) and Dallas (7).
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 3,231 verified decision-maker contacts tracked across these 568 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 3, 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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