Company lists · Data refreshed September 2026

Top 25 Fire alarm monitoring companies worldwide

RevenueBase identified 3,059 fire alarm monitoring companies worldwide as of September 2026 and tracks 37,696 professional contacts across them, including 9,312 with verified work emails. The United States is the largest market and London the largest hub.

This list covers fire alarm monitoring companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for fire alarm monitoring companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review
3,059Companies
37,696Contacts tracked
9,312Verified emails
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The 25 largest fire alarm monitoring companies worldwide

Ranked by team size
Top 25 of 3,059 fire alarm monitoring companies worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to fire alarm monitoring companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceIstanbul, TürkiyeHQ checked Sep 19, 20261,001-5,0002,126 contacts →

Indirect evidence

“Pronet is the leading electronic security company that offers residential and commercial security solutions in Turkey.”

Source: RevenueBase Database · checked Sep 19, 2026
2Partial evidenceIrving, TX, United StatesHQ checked Sep 19, 20261,001-5,0002,045 contacts →

Partial evidence

“Everon is a leading national provider of commercial security, video, fire, sprinkler, and life safety solutions for complex, multi-site businesses and organizations.”

Source: RevenueBase Database · checked Sep 19, 2026
3Strong evidenceOwen Sound, ON, CanadaHQ checked Sep 19, 20261,001-5,000596 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 19, 2026
4Strong evidenceBoca Raton, FL, United StatesHQ checked Sep 19, 2026501-1,000561 contacts →

Strong evidence

“ADT Inc, formerly The ADT Corporation, is an American company that provides residential, small and large business electronic security, fire protection, and other related alarm…”

Source: RevenueBase Database · checked Sep 19, 2026
5Partial evidenceSyracuse, NY, United StatesHQ checked Sep 19, 2026501-1,000490 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceBrazilHQ checked Sep 19, 2026n/a446 contacts →

Indirect evidence

“A Inviolável atua no mercado há mais de 25 anos.”

Source: RevenueBase Database · checked Sep 19, 2026
7Partial evidenceManchester, United KingdomHQ checked Sep 19, 2026501-1,000389 contacts →

Partial evidence

“Mitie Fire & Security is part of Mitie, the UK’s leading facilities management and professional services company, delivering integrated fire and security solutions that protect…”

Source: RevenueBase Database · checked Sep 19, 2026
8Partial evidenceSouthfield, MI, United StatesHQ checked Sep 19, 2026501-1,000389 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
9Partial evidenceOgden, UT, United StatesHQ checked Sep 19, 2026201-500375 contacts →

Partial evidence

“As the premier provider of critical event monitoring across North America, Becklar Monitoring is prepared to monitor any event, anytime, with speed, accuracy and exceptional…”

Source: RevenueBase Database · checked Sep 19, 2026
10Partial evidenceChandlers Ford, United KingdomHQ checked Sep 19, 2026201-500324 contacts →

Partial evidence

“Established in 1992, Churches Fire & Security is a nationwide company dedicated to supplying customers with the best fire safety and security services.”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceNashville, TN, United StatesHQ checked Sep 19, 2026201-500324 contacts →

Indirect evidence

“Headquartered in Nashville, TN, with branches throughout the Southeastern United States, ADS Security, a Vector Security company, is the 20th largest electronic security company…”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceOcoee, FL, United StatesHQ checked Sep 19, 2026501-1,000321 contacts →

Indirect evidence

“Your "Full Service" Life Safety Solutions Provider.”

Source: RevenueBase Database · checked Sep 19, 2026
13Partial evidenceWilliamstown, NJ, United StatesHQ checked Sep 19, 2026501-1,000312 contacts →

Partial evidence

“Headquartered in Williamstown, NJ, COPS Monitoring is a leading provider of professional monitoring services in North America with comprehensive redundancy.”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceSyosset, NY, United StatesHQ checked Sep 19, 2026201-500302 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceLouisville, KY, United StatesHQ checked Sep 19, 2026201-500294 contacts →

Indirect evidence

“ORR Corporation began in 1948 when Clark Orr Sr.”

Source: RevenueBase Database · checked Sep 19, 2026
16Partial evidenceDublin 1, IrelandHQ checked Sep 19, 2026201-500287 contacts →

Partial evidence

“PhoneWatch are Ireland's No.1 monitored alarm provider, with over customers nationwide.”

Source: RevenueBase Database · checked Sep 19, 2026
17Partial evidenceDallas, TX, United StatesHQ checked Sep 19, 2026501-1,000282 contacts →

Partial evidence

“American Fire Protection Group is a multimillion dollar company comprised of multiple offices strategically located throughout the country.”

Source: RevenueBase Database · checked Sep 19, 2026
18Strong evidenceCasselberry, FL, United StatesHQ checked Sep 19, 2026201-500258 contacts →

Strong evidence

“DynaFire, a leader in Fire & Life Safety, offers unparalleled services across fire alarm systems, fire suppression systems, fire sprinkler systems, fire extinguishers, BDA…”

Source: RevenueBase Database · checked Sep 19, 2026
19Partial evidenceAurora, IL, United StatesHQ checked Sep 19, 2026201-500225 contacts →

Partial evidence

“Family owned and operated since 1968, Alarm Detection Systems, Inc.(ADS) understands that nothing is more important than the safety of your family and the protection of your…”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceSeattle, WA, United StatesHQ checked Sep 19, 202651-200220 contacts →

Indirect evidence

“Guardian Security Systems is the leader in residential and commercial life safety solutions.”

Source: RevenueBase Database · checked Sep 19, 2026
21Strong evidenceUnion, NJ, United StatesHQ checked Sep 19, 2026501-1,000218 contacts →

Strong evidence

“Affiliated Monitoring combines over 40 years experience in alarm, fire and PERS monitoring with the latest technology to service security professionals nationwide.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 2026201-500206 contacts →

Indirect evidence

“Since 1969, thousands of businesses across the country have entrusted their protection to DGA Security.”

Source: RevenueBase Database · checked Sep 19, 2026
23Partial evidenceEvendale, OH, United StatesHQ checked Sep 19, 2026201-500203 contacts →

Partial evidence

“Silco Fire & Security isn’t just a company-it’s a mission.”

Source: RevenueBase Database · checked Sep 19, 2026
24Partial evidenceKing Of Prussia, PA, United StatesHQ checked Sep 19, 202651-200196 contacts →

Partial evidence

“Oliver Fire Protection & Security is a full service fire protection and security provider.”

Source: RevenueBase Database · checked Sep 19, 2026
25Partial evidenceAptos, CA, United StatesHQ checked Sep 19, 2026201-500178 contacts →

Partial evidence

“First Alarm has been protecting businesses and homeowners for more than 55 years.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 3,059 fire alarm monitoring companies worldwide

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Fire alarm monitoring companies worldwide at a glance

As of Sep 19, 2026
24.7%Verified-email coverage
12.3Average contacts per company
11-50Median size (employees)
0.9%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
1,464
11-50
1,097
51-200
330
201-500
87
501-1,000
23
1,001-5,000
18
5,001-10,000
1
10001+
6

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among fire alarm monitoring companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for fire alarm monitoring companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “fire alarm monitoring companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names fire alarm monitoring companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among fire alarm monitoring companies, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 9,312 across the full list. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Fire alarm monitoring companies by location

11 lists · largest first

Every Fire alarm monitoring companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names fire alarm monitoring companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many fire alarm monitoring companies are there worldwide?

RevenueBase identified 3,059 fire alarm monitoring companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Pronet Security Services, headquartered in Istanbul, tops this list with the largest team on record.

Which country has the most fire alarm monitoring companies?

The United States leads with 1,320 companies, followed by the United Kingdom (377) and Canada (168). Every fire alarm monitoring companies list by country and city is linked on this page.

Which city has the most fire alarm monitoring companies?

London leads with 28 headquartered companies, followed by Sao Paulo (24) and Houston (22).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 9,312 verified decision-maker contacts tracked across these 3,059 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 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 Smart Search, 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.