Company lists · Data refreshed October 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 Oct 19, 2026 25,274 companies tracked

RevenueBase identified 25,274 company matches for security or access control system suppliers worldwide as of October 2026 and tracks 283,927 professional contacts across them, including 62,079 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 October 19, 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 Oct 19, 2026 How this list was built

25,274Companies

283,927Contacts tracked

62,079Verified emails

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The 25 largest security or access control system suppliers worldwide

Ranked by team size

Top 25 of 25,274 company matches for security or access control system suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 19, 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 Oct 19, 2026	10001+	6,400 contacts →
	Exact match “Making the world a safer place.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
2	Convergint	Exact match	Hoffman Estates, IL, United StatesHQ recorded Oct 19, 2026	10001+	5,878 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 · Oct 19, 2026 · View company records in RevenueBase
3	Securitas France	Exact match	Issy-les-moulineaux, FranceHQ recorded Oct 19, 2026	10001+	3,996 contacts →
	Exact match “Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4	Allegion	Exact match	Dublin 7, IrelandHQ recorded Oct 19, 2026	10001+	3,119 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 · Oct 19, 2026 · View company records in RevenueBase
5	Grupo GR	Exact match	São Paulo, BrazilHQ recorded Oct 19, 2026	10001+	2,944 contacts →
	Exact match “Fundado em 1992, o GRUPO GR se consolidou no mercado por sua qualidade e seriedade na implantação e operação de soluções de segurança e serviços para diversos tipos de clientes.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6	Automated Systems Design, INC	Exact match	Alpharetta, GA, United StatesHQ recorded Oct 19, 2026	n/a	2,739 contacts →
	Exact match “Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7	Pronet Security Services	Exact match	Istanbul, TürkiyeHQ recorded Oct 19, 2026	1,001-5,000	2,320 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 · Oct 19, 2026 · View company records in RevenueBase
8	Chamberlain Group	Exact match	Oak Brook, WI, United StatesHQ recorded Oct 19, 2026	5,001-10,000	2,229 contacts →
	Exact match “Chamberlain Group (CG) is a global leader in intelligent access and Blackstone portfolio company.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
9	HUF Group	Exact match	Velbert, GermanyHQ recorded Oct 19, 2026	5,001-10,000	2,125 contacts →
	Exact match “The first impression counts.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10	Everon	Exact match	Irving, TX, United StatesHQ recorded Oct 19, 2026	1,001-5,000	2,098 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 · Oct 19, 2026 · View company records in RevenueBase
11	Fidelity ADT	Exact match	Johannesburg, South AfricaHQ recorded Oct 19, 2026	10001+	1,543 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 · Oct 19, 2026 · View company records in RevenueBase
12	Comando G8	Exact match	São Paulo, BrazilHQ recorded Oct 19, 2026	5,001-10,000	1,454 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 · Oct 19, 2026 · View company records in RevenueBase
13	Protection 1 Security Solutions	Exact match	Romeoville, IL, United StatesHQ recorded Oct 19, 2026	1,001-5,000	1,446 contacts →
	Exact match “As of May 2016, Protection 1 and ADT merged together to become the leading company in the electronic security industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
14	Vector Security	Exact match	Warrendale, PA, United StatesHQ recorded Oct 19, 2026	1,001-5,000	1,332 contacts →
	Exact match “Vector Security® has protected people and property by providing intelligent security solutions tailored to the needs of the customer for more than 50 years.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15	Titan Security Group	Exact match	Chicago, IL, United StatesHQ recorded Oct 19, 2026	1,001-5,000	1,148 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 · Oct 19, 2026 · View company records in RevenueBase
16	Solid Security Sp. Z O.O	Exact match	Warsaw, PolandHQ recorded Oct 19, 2026	10001+	1,087 contacts →
	Exact match “Solid Security to doświadczenie, wiedza oraz profesjonalizm działań na rynku ochrony osób i mienia.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
17	Onet Sécurité	Exact match	Marseille, FranceHQ recorded Oct 19, 2026	10001+	1,033 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 · Oct 19, 2026 · View company records in RevenueBase
18	Strong Segurança, S.A	Exact match	Amadora, PortugalHQ recorded Oct 19, 2026	5,001-10,000	930 contacts →
	Exact match “Security Company Electronics developers Systems integrator” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19	Security 101	Exact match	West Palm Beach, FL, United StatesHQ recorded Oct 19, 2026	501-1,000	882 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 · Oct 19, 2026 · View company records in RevenueBase
20	Koorsen Fire And Security	Exact match	Indianapolis, IN, United StatesHQ recorded Oct 19, 2026	1,001-5,000	858 contacts →
	Exact match “Koorsen Fire & Security is a family-owned operation that has kept homes and businesses safe for more than 70 years.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
21	Chubb Fire & Security Canada	Exact match	Mississauga, ON, CanadaHQ recorded Oct 19, 2026	1,001-5,000	855 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 · Oct 19, 2026 · View company records in RevenueBase
22	Securitas Norge	Exact match	Oslo, NorwayHQ recorded Oct 19, 2026	5,001-10,000	821 contacts →
	Exact match “Securitas AS er det største og eldste sikkerhetsselskapet i Norge.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
23	Securitas Electronic Security, INC	Exact match	Uniontown, OH, United StatesHQ recorded Oct 19, 2026	10001+	806 contacts →
	Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
24	ADT Commercial	Exact match	Boca Raton, FL, United StatesHQ recorded Oct 19, 2026	n/a	742 contacts →
	Exact match “ADT Commercial, LLC was acquired by GTCR and is now Everon, LLC.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
25	BRIVO	Exact match	Bethesda, MD, United StatesHQ recorded Oct 19, 2026	501-1,000	740 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 · Oct 19, 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 25,274 security or access control system suppliers worldwide

See the full list, filter by size, metro and specialty, and access 62,079 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 Oct 19, 2026

21.9%Verified-email coverage

11.2Average contacts per company

11-50Median size (employees)

1.5%Largest-city concentration · Sao Paulo

Oct 19, 2026Page data refreshed

Companies by employee count

1-10

12,401

11-50

9,065

51-200

2,649

201-500

566

501-1,000

172

1,001-5,000

140

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 62,079 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 October 19, 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

93 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 25,274 company matches for security or access control system suppliers worldwide as of October 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 4,142 companies, followed by the United Kingdom (2,455) and Brazil (1,761). 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 378 company records, followed by London (244) and Dubai (145).

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 62,079 professional contacts with verified work emails tracked across these 25,274 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 October 19, 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.