Company lists · Data refreshed November 2026

Top 25 Managed access control services based in the United States

RevenueBase identified 447 company matches for managed access control services associated with the United States as of November 2026 and tracks 7,471 professional contacts across them, including 2,748 with verified work emails. New York is the largest hub.

This list covers company matches for managed access control 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
447Companies
7,471Contacts tracked
2,748Verified emails
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The 25 largest managed access control services based in the United States

Ranked by team size
Top 25 of 447 company matches for managed access control 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 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
2Exact matchPittsford, MA, United StatesHQ recorded Nov 6, 2026201-500342 contacts →

Exact match

“LenelS2 is a global leader in advanced physical security solutions, including access control, video surveillance and mobile credentialing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSyosset, NY, United StatesHQ recorded Nov 6, 2026201-500306 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSparks, MD, United StatesHQ recorded Nov 6, 2026201-500256 contacts →

Exact match

“For over 50 years, Wittenbach has been a trusted leader in advanced security solutions in financial and commercial industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBethesda, MD, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
7Exact matchHawthorne, CA, United StatesHQ recorded Nov 6, 2026201-500196 contacts →

Exact match

“AMAG Technology is a market leader in Physical Access Control, Identity Management and integrated security solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-200166 contacts →

Exact match

“SwiftConnect connects identity and physical access, enabling secure, scalable entry across your environment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCincinnati, OH, United StatesHQ recorded Nov 6, 2026201-500160 contacts →

Exact match

“Security Guard and Technology Services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHammond, LA, United StatesHQ recorded Nov 6, 2026n/a160 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBurnsville, MN, United StatesHQ recorded Nov 6, 20261,001-5,000137 contacts →

Exact match

“For almost 40 years, VTI has been called upon and recognized by our industry for a full range of advanced physical security technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMooresville, NC, United StatesHQ recorded Nov 6, 202611-5097 contacts →

Exact match

“Access Control Technologies (ACT) has decades of expertise manufacturing, installing and maintaining gates.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBedford Heights, OH, United StatesHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“Bass Security is a national Locksmith and integrator of CCTV and Burglar/Fire alarm security solutions for your business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAnderson, United StatesHQ recorded Nov 6, 2026501-1,00088 contacts →

Exact match

“For over a decade Ramco has provided integrated and innovative access control solutions ranging from cameras, entry software, automated gate systems, guard service personnel…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCarrollton, TX, United StatesHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“CellGate is the industry leader in cloud-based Total Property Security Access solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchVan Nuys, CA, United StatesHQ recorded Nov 6, 20261,001-5,00075 contacts →

Exact match

“SKIDATA, always one step ahead: The best managers of international facility operations companies leave nothing to chance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDraper, UT, United StatesHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“ProdataKey is defining the future of access control.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Nov 6, 20261,001-5,00068 contacts →

Exact match

“Prudential Defense Solutions is a full‑service security provider offering professional guard services, door staff, and government‑contractor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSouth Orange, NJ, United StatesHQ recorded Nov 6, 2026501-1,00063 contacts →

Exact match

“Building Security Services (BSS) delivers people-first, tech-enabled protection for commercial properties across NJ & NYC.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-5062 contacts →

Exact match

“At Monarch, we help organizations create safer, smarter environments through cutting-edge security technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“RAE Security is a customer centric Security business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchJohnson City, TN, United StatesHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“Fleenor Security Systems, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMontebello, NY, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“ABOUT CARE SECURITY SYSTEMS Care Security Systems is proud to be a women-owned company and have more than 30 years’ experience in providing organizations with superior…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSyosset, FL, United StatesHQ recorded Nov 6, 202651-20057 contacts →

Exact match

“At Intelli-Tec Security Services, we provide tailored security solutions designed to protect what matters most to you.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchKansas City, MO, United StatesHQ recorded Nov 6, 202611-5057 contacts →

Exact match

“Kenton Brothers Systems for Security is a WBE certified, security systems supplier in Kansas City, Missouri.”

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

Showing 25 of 447 managed access control services based in the United States

See the full list, filter by size, metro and specialty, and access 2,748 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Managed access control services based in the United States at a glance

As of Nov 6, 2026
36.8%Verified-email coverage
16.7Average contacts per company
11-50Median size (employees)
3.6%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
194
11-50
181
51-200
52
201-500
10
501-1,000
5
1,001-5,000
5

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 447 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 “managed access control 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 2,748 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 “managed access control services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many managed access control services are there based in the United States?

RevenueBase identified 447 company matches for managed access control 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?

Security 101 tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most managed access control services?

New York leads with 16 company records, followed by Dallas (9) and Miami (9).

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 2,748 professional contacts with verified work emails tracked across these 447 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.