Company lists · Data refreshed November 2026

Top 25 Security or access control system suppliers worldwide

Name: Security or access control system suppliers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 22,279 companies tracked

RevenueBase identified 22,279 company matches for security or access control system suppliers worldwide as of November 2026 and tracks 255,241 professional contacts across them, including 55,058 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for security or access control system suppliers 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 November 5, 2026. Country and city lists for security or access control system suppliers 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 Nov 5, 2026 How this list was built

22,279Companies

255,241Contacts tracked

55,058Verified emails

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The 25 largest security or access control system suppliers worldwide

Ranked by team size

Top 25 of 22,279 company matches for security or access control system suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Chubb Fire & Security	Exact match	Staines, United KingdomHQ recorded Nov 5, 2026	10001+	6,705 contacts →
	Exact match “Making the world a safer place.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Convergint	Exact match	Hoffman Estates, IL, United StatesHQ recorded Nov 5, 2026	10001+	6,031 contacts →
	Exact match “Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	Securitas France	Exact match	Issy-les-moulineaux, FranceHQ recorded Nov 5, 2026	10001+	4,112 contacts →
	Exact match “Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Allegion	Exact match	Dublin 7, IN, IrelandHQ recorded Nov 5, 2026	10001+	3,263 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 · Nov 5, 2026 · View company records in RevenueBase
5	Automated Systems Design, INC	Exact match	Alpharetta, GA, United StatesHQ recorded Nov 5, 2026	n/a	2,754 contacts →
	Exact match “Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Pronet Security Services	Exact match	Istanbul, TürkiyeHQ recorded Nov 5, 2026	1,001-5,000	2,367 contacts →
	Exact match “Pronet is the leading electronic security company that offers residential and commercial security solutions in Turkey.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Chamberlain Group	Exact match	Oak Brook, IL, United StatesHQ recorded Nov 5, 2026	5,001-10,000	2,282 contacts →
	Exact match “Chamberlain Group (CG) is a global leader in intelligent access and Blackstone portfolio company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Everon	Exact match	Irving, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,178 contacts →
	Exact match “Everon is a leading national provider of commercial security, video, fire, sprinkler, and life safety solutions for complex, multi-site businesses and organizations.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	HUF Group	Exact match	Velbert, GermanyHQ recorded Nov 5, 2026	5,001-10,000	2,167 contacts →
	Exact match “The first impression counts.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Fidelity ADT	Exact match	Johannesburg, South AfricaHQ recorded Nov 5, 2026	10001+	1,625 contacts →
	Exact match “FIDELITY ADT COMMERCIAL Fidelity ADT Commercial, a division of Fidelity ADT is a leading provider of integrated retail performance and security solutions, deployed today at more…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Comando G8	Exact match	São Paulo, BrazilHQ recorded Nov 5, 2026	5,001-10,000	1,548 contacts →
	Exact match “O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	DSI Security Services	Exact match	Dothan, AL, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,277 contacts →
	Exact match “DSI Security Services offers armed and unarmed uniformed security guard services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Titan Security Group	Exact match	Chicago, IL, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,209 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 · Nov 5, 2026 · View company records in RevenueBase
14	Solid Security Sp. Z O.O	Exact match	Warsaw, PolandHQ recorded Nov 5, 2026	10001+	1,154 contacts →
	Exact match “Solid Security to doświadczenie, wiedza oraz profesjonalizm działań na rynku ochrony osób i mienia.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Onet Sécurité	Exact match	Marseille, FranceHQ recorded Nov 5, 2026	10001+	1,142 contacts →
	Exact match “La proposition de valeur d'Onet dans la sécurité se fonde sur - son expertise sécurité et sa capacité à analyser les besoins et risques propres à ses clients- sa parfaite maîtrise…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Security 101	Exact match	West Palm Beach, TN, United StatesHQ recorded Nov 5, 2026	501-1,000	927 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 5, 2026 · View company records in RevenueBase
17	Securitas Norge	Exact match	Oslo, NorwayHQ recorded Nov 5, 2026	5,001-10,000	859 contacts →
	Exact match “Securitas AS er det største og eldste sikkerhetsselskapet i Norge.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Chubb Fire & Security Canada	Exact match	Mississauga, NS, CanadaHQ recorded Nov 5, 2026	1,001-5,000	841 contacts →
	Exact match “Chubb provides an unparalleled portfolio of security and life safety solutions to Canadian institutions, businesses and residences.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Securitas Electronic Security, INC	Exact match	Uniontown, IL, United StatesHQ recorded Nov 5, 2026	10001+	837 contacts →
	Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	BRIVO	Exact match	Bethesda, MD, United StatesHQ recorded Nov 5, 2026	501-1,000	765 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 · Nov 5, 2026 · View company records in RevenueBase
21	Grupo Control Seguridad	Exact match	Almería, SpainHQ recorded Nov 5, 2026	1,001-5,000	759 contacts →
	Exact match “Grupo Control es una empresa especializada en ofrecer soluciones integrales de seguridad y vigilancia por lo que es una empresa homologada y certificada, con exigentes controles…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Sabico Seguridad	Exact match	SpainHQ recorded Nov 5, 2026	1,001-5,000	756 contacts →
	Exact match “comienzos de 1989 se funda SABICO SEGURIDAD S.A, estando inscrita en el Registro de Empresas de Seguridad con el nº 1731.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Skidata	Exact match	Grödig, AustriaHQ recorded Nov 5, 2026	1,001-5,000	743 contacts →
	Exact match “We change the world of welcoming people.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Fort Knox	Exact match	São Paulo, BrazilHQ recorded Nov 5, 2026	5,001-10,000	614 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 · Nov 5, 2026 · View company records in RevenueBase
25	Kingalarm Systems	Exact match	Kingston 5, JamaicaHQ recorded Nov 5, 2026	1,001-5,000	605 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 · Nov 5, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “security or access control system suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 22,279 security or access control system suppliers worldwide

See the full list, filter by size, metro and specialty, and access 55,058 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Security or access control system suppliers worldwide at a glance

As of Nov 5, 2026

21.6%Verified-email coverage

11.5Average contacts per company

11-50Median size (employees)

1.5%Largest-city concentration · Sao Paulo

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

10,789

11-50

7,789

51-200

2,340

201-500

536

501-1,000

162

1,001-5,000

143

5,001-10,000

10001+

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 security or access control system suppliers are linked below.
What qualifies: Company records worldwide whose business descriptions match “security or access control system suppliers” 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 55,058 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 5, 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.

Security or access control system suppliers by location

84 lists · largest first

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

How many security or access control system suppliers are there worldwide?

RevenueBase identified 22,279 company matches for security or access control system suppliers worldwide 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?

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

Which country has the most security or access control system suppliers?

The United States leads with 3,252 companies, followed by the United Kingdom (2,235) and Brazil (1,617). Every security or access control system suppliers list by country and city is linked on this page.

Which city has the most security or access control system suppliers?

Sao Paulo leads with 330 company records, followed by London (229) and Dubai (149).

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 55,058 professional contacts with verified work emails tracked across these 22,279 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 5, 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.