Company lists · Data refreshed October 2026

Top 25 Monitoring alarm system suppliers worldwide

Name: Monitoring alarm system suppliers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 28, 2026 12,981 companies tracked

RevenueBase identified 12,981 company matches for monitoring alarm system suppliers worldwide as of October 2026 and tracks 179,128 professional contacts across them, including 32,146 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for monitoring alarm 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 28, 2026. Country and city lists for monitoring alarm 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 28, 2026 How this list was built

12,981Companies

179,128Contacts tracked

32,146Verified emails

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The 25 largest monitoring alarm system suppliers worldwide

Ranked by team size

Top 25 of 12,981 company matches for monitoring alarm system suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 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	Verisure	Exact match	Global Hq - Versoix, GermanyHQ recorded Oct 28, 2026	10001+	15,631 contacts →
	Exact match “Verisure is the global leader in professionally monitored security services by customers served, with a market-leading presence across Europe and Latin America.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2	Chubb Fire & Security	Exact match	Staines, United KingdomHQ recorded Oct 28, 2026	10001+	6,400 contacts →
	Exact match “Making the world a safer place.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3	Pronet Security Services	Exact match	Istanbul, TürkiyeHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
4	Everon	Exact match	Irving, TX, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
5	Protection 1 Security Solutions	Exact match	Romeoville, IL, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
6	Vector Security	Exact match	Warrendale, PA, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
7	Safe Haven Security Services, LLC	Exact match	North Kansas City, MO, United StatesHQ recorded Oct 28, 2026	1,001-5,000	1,260 contacts →
	Exact match “Established in Safe Haven Security has grown to become the nation’s largest ADT-authorized dealer, trusted by homeowners and businesses across the country.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8	Solid Security Sp. Z O.O	Exact match	Warsaw, PolandHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
9	Securitas Perú	Exact match	Magdalena Del Mar, PeruHQ recorded Oct 28, 2026	1,001-5,000	1,011 contacts →
	Exact match “Securitas es socio líder en soluciones de protección inteligente.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10	Sector Alarm Norge	Exact match	Oslo, NorwayHQ recorded Oct 28, 2026	1,001-5,000	975 contacts →
	Exact match “Sector Alarm er en av Europas ledende leverandører av sikkerhet, og har mer enn 650 fornøyde og trygge kunder i Europa.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11	Defenders	Exact match	Indianapolis, IN, United StatesHQ recorded Oct 28, 2026	1,001-5,000	911 contacts →
	Exact match “DEFENDERS is a leader in the home security industry, providing safety and peace of mind to more than 1.5 million families nationwide.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12	Security 101	Exact match	West Palm Beach, FL, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
13	Chubb Fire & Security Canada	Exact match	Mississauga, ON, CanadaHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
14	Securitas Electronic Security, INC	Exact match	Uniontown, OH, United StatesHQ recorded Oct 28, 2026	10001+	806 contacts →
	Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15	CPI Security	Exact match	Charlotte, NC, United StatesHQ recorded Oct 28, 2026	501-1,000	786 contacts →
	Exact match “For more than 30 years, CPI Security has been a leader in customized home and business security and home automation services.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16	ADT Commercial	Exact match	Boca Raton, FL, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
17	Sabico Seguridad	Exact match	SpainHQ recorded Oct 28, 2026	1,001-5,000	737 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 · Oct 28, 2026 · View company records in RevenueBase
18	Grupo Control Seguridad	Exact match	Almería, SpainHQ recorded Oct 28, 2026	1,001-5,000	735 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 · Oct 28, 2026 · View company records in RevenueBase
19	Guardian Protection	Exact match	Warrendale, PA, United StatesHQ recorded Oct 28, 2026	501-1,000	701 contacts →
	Exact match “Protecting homes and businesses since 1950, Guardian Protection is one of the nation's largest and most highly regarded security companies.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20	Pro-Vigil Surveillance Services	Exact match	San Antonio, TX, United StatesHQ recorded Oct 28, 2026	201-500	696 contacts →
	Exact match “Pro-Vigil is the smartest, fastest, most reliable, surveillance and monitoring solution, to enable you to focus on your core business, whether that’s in construction, an auto…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21	Grupo Khronos	Exact match	São José, BrazilHQ recorded Oct 28, 2026	1,001-5,000	651 contacts →
	Exact match “O Grupo Khronos é referência nacional em soluções integradas de segurança, tecnologia e IoT.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22	Anjos DA Guarda Segurança	Exact match	Belo Horizonte, BrazilHQ recorded Oct 28, 2026	1,001-5,000	639 contacts →
	Exact match “O grupo Anjos da Guarda iniciou atividades na década de 80.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23	Troy Life & Fire Safety LTD	Exact match	Owen Sound, ON, CanadaHQ recorded Oct 28, 2026	1,001-5,000	614 contacts →
	Exact match “We are Canada's complete fire alarm and suppression, signalling, nurse call, communications, security and energy saving solutions provider As one of Canada’s leading life safety…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24	Alert 360	Exact match	Tulsa, LA, United StatesHQ recorded Oct 28, 2026	501-1,000	582 contacts →
	Exact match “Alert 360 security is a trusted and best-in-class provider of reliable security solutions for homes and businesses.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
25	Tech Systems Inc. TSI	Exact match	Buford, GA, IndiaHQ recorded Oct 28, 2026	501-1,000	555 contacts →
	Exact match “Since 1987, Tech Systems, Inc.” Recorded in the RevenueBase company graph · Oct 28, 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 “monitoring alarm 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 12,981 monitoring alarm system suppliers worldwide

See the full list, filter by size, metro and specialty, and access 32,146 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Monitoring alarm system suppliers worldwide at a glance

As of Oct 28, 2026

17.9%Verified-email coverage

13.8Average contacts per company

11-50Median size (employees)

1.2%Largest-city concentration · Sao Paulo

Oct 28, 2026Page data refreshed

Companies by employee count

1-10

6,384

11-50

4,470

51-200

1,386

201-500

340

501-1,000

120

1,001-5,000

105

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 monitoring alarm system suppliers are linked below.
What qualifies: Company records worldwide whose business descriptions match “monitoring alarm 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 32,146 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 28, 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.

Monitoring alarm system suppliers by location

38 lists · largest first

Every Monitoring alarm 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 “monitoring alarm system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many monitoring alarm system suppliers are there worldwide?

RevenueBase identified 12,981 company matches for monitoring alarm 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?

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

Which country has the most monitoring alarm system suppliers?

The United States leads with 2,815 companies, followed by the United Kingdom (1,458) and Brazil (925). Every monitoring alarm system suppliers list by country and city is linked on this page.

Which city has the most monitoring alarm system suppliers?

Sao Paulo leads with 151 company records, followed by London (135) and Houston (54).

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 32,146 professional contacts with verified work emails tracked across these 12,981 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 28, 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.