Company lists · Data refreshed October 2026

Top 25 Alarms suppliers worldwide

RevenueBase identified 12,102 company matches for alarms suppliers worldwide as of October 2026 and tracks 147,762 professional contacts across them, including 28,511 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for alarms 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 22, 2026. Country and city lists for alarms 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 22, 2026 How this list was built
12,102Companies
147,762Contacts tracked
28,511Verified emails
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The 25 largest alarms suppliers worldwide

Ranked by team size
Top 25 of 12,102 company matches for alarms suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 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 matchGlobal Hq - Versoix, GermanyHQ recorded Oct 22, 202610001+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 22, 2026 · View company records in RevenueBase
2Exact matchStaines, United KingdomHQ recorded Oct 22, 202610001+6,400 contacts →

Exact match

“Making the world a safer place.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3Exact matchDubai, United Arab EmiratesHQ recorded Oct 22, 202610001+3,650 contacts →

Exact match

“NAFFCO was founded in Dubai, UAE to become the world's leading producer and supplier of life safety solutions.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4Exact matchIstanbul, TürkiyeHQ recorded Oct 22, 20261,001-5,0002,320 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 22, 2026 · View company records in RevenueBase
5Exact matchIrving, TX, United StatesHQ recorded Oct 22, 20261,001-5,0002,098 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 22, 2026 · View company records in RevenueBase
6Exact matchRomeoville, IL, United StatesHQ recorded Oct 22, 20261,001-5,0001,446 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 22, 2026 · View company records in RevenueBase
7Exact matchWarrendale, PA, United StatesHQ recorded Oct 22, 20261,001-5,0001,332 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 22, 2026 · View company records in RevenueBase
8Exact matchBoston, MA, United StatesHQ recorded Oct 22, 2026501-1,0001,266 contacts →

Exact match

“Being safe should be simple.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9Exact matchNorth Kansas City, MO, United StatesHQ recorded Oct 22, 20261,001-5,0001,260 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 22, 2026 · View company records in RevenueBase
10Exact matchOslo, NorwayHQ recorded Oct 22, 20261,001-5,000975 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 22, 2026 · View company records in RevenueBase
11Exact matchAmadora, PortugalHQ recorded Oct 22, 20265,001-10,000930 contacts →

Exact match

“Security Company Electronics developers Systems integrator”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12Exact matchReno, NV, United StatesHQ recorded Oct 22, 20261,001-5,000912 contacts →

Exact match

“From fire security and alarm systems, to a computer room clean agent system, to unique solutions for warehouse designs, we’ve got you covered with all aspects of fire and life…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13Exact matchCampinas, BrazilHQ recorded Oct 22, 20261,001-5,000858 contacts →

Exact match

“A PST Electronics, detentora da marca Pósitron, é líder em segurança automotiva e referência no desenvolvimento de soluções tecnológicas em rastreamento e segurança eletrônica.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchCharlotte, NC, United StatesHQ recorded Oct 22, 2026501-1,000786 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 22, 2026 · View company records in RevenueBase
15Exact matchBoca Raton, FL, United StatesHQ recorded Oct 22, 2026n/a742 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16Exact matchWarrendale, PA, United StatesHQ recorded Oct 22, 2026501-1,000701 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 22, 2026 · View company records in RevenueBase
17Exact matchOwen Sound, ON, CanadaHQ recorded Oct 22, 20261,001-5,000614 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 22, 2026 · View company records in RevenueBase
18Exact matchTulsa, LA, United StatesHQ recorded Oct 22, 2026501-1,000582 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 22, 2026 · View company records in RevenueBase
19Exact matchZollikofen, SwitzerlandHQ recorded Oct 22, 2026501-1,000554 contacts →

Exact match

“Securiton AG has been a leading manufacturer and installer of alarm and security systems since 1948 and is part of the Swiss Securitas Group.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20Exact matchKingston 5, JamaicaHQ recorded Oct 22, 20261,001-5,000552 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 · Oct 22, 2026 · View company records in RevenueBase
21Exact matchSyracuse, NY, United StatesHQ recorded Oct 22, 2026501-1,000503 contacts →

Exact match

“Rapid Response Monitoring is a leading provider of professional monitoring services founded in 1992.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22Exact matchAmityville, NY, United StatesHQ recorded Oct 22, 2026501-1,000432 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 · Oct 22, 2026 · View company records in RevenueBase
23Exact matchBlackburn, United KingdomHQ recorded Oct 22, 2026n/a417 contacts →

Exact match

“At Global Security Ltd, we are proud to be one of the UK’s trusted suppliers of CCTV, intruder alarms, access control, and fire safety systems.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchSpringfield, MO, United StatesHQ recorded Oct 22, 2026201-500406 contacts →

Exact match

“DMP specializes in delivering innovative security solutions, including burglary, fire, access control and video security products.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchSouthfield, MI, United StatesHQ recorded Oct 22, 2026501-1,000403 contacts →

Exact match

“Guardian Alarm is one of the largest independently-owned security companies protecting both homes and businesses throughout the Midwest.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase

Showing 25 of 12,102 alarms suppliers worldwide

See the full list, filter by size, metro and specialty, and access 28,511 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Alarms suppliers worldwide at a glance

As of Oct 22, 2026
19.3%Verified-email coverage
12.2Average contacts per company
1-10Median size (employees)
1.1%Largest-city concentration · London
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
6,197
11-50
4,087
51-200
1,238
201-500
278
501-1,000
87
1,001-5,000
54
5,001-10,000
6
10001+
20

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 alarms suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “alarms 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 28,511 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 22, 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.

Alarms suppliers by location

32 lists · largest first

Every Alarms 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 “alarms suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many alarms suppliers are there worldwide?

RevenueBase identified 12,102 company matches for alarms 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 alarms suppliers?

The United States leads with 2,291 companies, followed by the United Kingdom (1,625) and Brazil (712). Every alarms suppliers list by country and city is linked on this page.

Which city has the most alarms suppliers?

London leads with 139 company records, followed by Sao Paulo (111) and Istanbul (60).

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 28,511 professional contacts with verified work emails tracked across these 12,102 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 22, 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.