Company lists · Data refreshed September 2026

Top 25 Access control security companies worldwide

RevenueBase identified 8,348 company matches for access control security companies worldwide as of September 2026 and tracks 122,620 professional contacts across them, including 31,155 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for access control security companies worldwide, 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 27, 2026. Country and city lists for access control security companies follow the table.

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 27, 2026 How this list was built
8,348Companies
122,620Contacts tracked
31,155Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest access control security companies worldwide

Ranked by team size
Top 25 of 8,348 company matches for access control security companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchStockholm, SwedenHQ recorded Sep 27, 202610001+6,268 contacts →

Exact match

“Let’s create a safer and more open world – together!”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchSt. Petersburg, FL, United StatesHQ recorded Sep 27, 2026n/a4,038 contacts →

Exact match

“Excelsior Defense is a security and investigations company based out of St.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchAustin, TX, United StatesHQ recorded Sep 27, 20261,001-5,0003,240 contacts →

Exact match

“HID powers the trusted identities of the world's people, places and things.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchDublin 7, IrelandHQ recorded Sep 27, 202610001+3,024 contacts →

Exact match

“Allegion (NYSE: ALLE) is a global pioneer in seamless access, with leading brands like CISA®, Interflex®, LCN®, Schlage®, SimonsVoss® and Von Duprin®.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 27, 20261,001-5,0002,157 contacts →

Exact match

“CLEAR is a security identity company making experiences safer and easier-physically and digitally.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchOak Brook, United StatesHQ recorded Sep 27, 20265,001-10,0002,105 contacts →

Exact match

“Chamberlain Group (CG) is a global leader in intelligent access and Blackstone portfolio company.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchDothan, AL, United StatesHQ recorded Sep 27, 20261,001-5,0001,190 contacts →

Exact match

“DSI Security Services offers armed and unarmed uniformed security guard services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchChicago, IL, United StatesHQ recorded Sep 27, 20261,001-5,0001,138 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 · Sep 27, 2026 · View company records in RevenueBase
9Exact matchWarsaw, PolandHQ recorded Sep 27, 202610001+1,068 contacts →

Exact match

“Solid Security to doświadczenie, wiedza oraz profesjonalizm działań na rynku ochrony osób i mienia.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchGothenburg, SwedenHQ recorded Sep 27, 20261,001-5,000910 contacts →

Exact match

“Gunnebo is a global leader in security solutions, offering innovative products and services to control the flow of people and to protect valuables from burglary, fire and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchWest Palm Beach, FL, United StatesHQ recorded Sep 27, 2026501-1,000849 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 · Sep 27, 2026 · View company records in RevenueBase
12Exact matchOiartzun, SpainHQ recorded Sep 27, 20261,001-5,000838 contacts →

Exact match

“Salto is one of the three core brands that constitute a unique brand platform:@SaltoWecosystem.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchBoca Raton, FL, United StatesHQ recorded Sep 27, 2026n/a799 contacts →

Exact match

“ADT Commercial, LLC was acquired by GTCR and is now Everon, LLC.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchOslo, NorwayHQ recorded Sep 27, 20265,001-10,000792 contacts →

Exact match

“Securitas AS er det største og eldste sikkerhetsselskapet i Norge.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchNew Haven, CT, United StatesHQ recorded Sep 27, 20265,001-10,000736 contacts →

Exact match

“Combining the expertise of the industry’s most knowledgeable door opening experts with a comprehensive product offering of leading door and hardware brands, the consultative…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchFalls Church, VA, United StatesHQ recorded Sep 27, 2026501-1,000686 contacts →

Exact match

“Kastle is a leading provider of property technology solutions, protecting commercial real estate, multi-family residential, global enterprises, educational institutions and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchGrödig, AustriaHQ recorded Sep 27, 20261,001-5,000686 contacts →

Exact match

“We change the world of welcoming people.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchSão Paulo, BrazilHQ recorded Sep 27, 20265,001-10,000563 contacts →

Exact match

“Empresa especializada em soluções personalizadas de Segurança Privada, contando com serviços de Vigilância Patrimonial, Segurança Pessoal e Segurança Eletrônica.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchKingston 5, JamaicaHQ recorded Sep 27, 20261,001-5,000542 contacts →

Exact match

“KingAlarm Systems began operations in March and, in a relatively short time, has become the largest Electronic Security Company not just in Jamaica but the entire Caribbean…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchBethesda, MD, United StatesHQ recorded Sep 27, 2026501-1,000541 contacts →

Exact match

“Brivo is the global leader in cloud-native physical security, with more than 2 million devices deployed across locations in 80 countries.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchBuford, GA, IndiaHQ recorded Sep 27, 2026501-1,000527 contacts →

Exact match

“Since 1987, Tech Systems, Inc.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchDiadema, BrazilHQ recorded Sep 27, 20261,001-5,000525 contacts →

Exact match

“O Grupo ASSA ABLOY é líder mundial na fabricação e fornecimento de soluções completas para controle de acesso e segurança, e dedica-se à satisfação das necessidades dos usuários…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchWinston-Salem, NC, United StatesHQ recorded Sep 27, 20261,001-5,000445 contacts →

Exact match

“Established in 1955, The Cook & Boardman Group is the nation’s premier provider of architectural doors and frames, door hardware and related building specialty products in…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchAmityville, NY, United StatesHQ recorded Sep 27, 2026501-1,000427 contacts →

Exact match

“NAPCO Security Technologies (NASDAQ: NSSC) is one of the world's leading manufacturers of technologically advanced electronic security equipment including intrusion and fire alarm…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchPittsford, NY, United StatesHQ recorded Sep 27, 2026201-500362 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 · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 8,348 access control security companies worldwide

See the full list, filter by size, metro and specialty, and access 31,155 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Access control security companies worldwide at a glance

As of Sep 27, 2026
25.4%Verified-email coverage
14.7Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · Sao Paulo
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
3,916
11-50
2,957
51-200
927
201-500
251
501-1,000
94
1,001-5,000
65
5,001-10,000
16
10001+
24

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for access control security companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “access control 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. 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 31,155 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 27, 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.

Access control security companies by location

35 lists · largest first

Every Access control security companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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

How many access control security companies are there worldwide?

RevenueBase identified 8,348 company matches for access control security companies worldwide 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?

Assa Abloy Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most access control security companies?

The United States leads with 1,453 companies, followed by Brazil (742) and the United Kingdom (623). Every access control security companies list by country and city is linked on this page.

Which city has the most access control security companies?

Sao Paulo leads with 133 company records, followed by London (67) and Dubai (50).

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 31,155 professional contacts with verified work emails tracked across these 8,348 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 27, 2026.

Ready to reach these companies? Verified emails and direct dials for all 8,348 access control security companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.