Company lists · Data refreshed September 2026

Top 25 Alarm monitoring software companies based in the United States

RevenueBase identified 1,186 company matches for alarm monitoring software companies associated with the United States as of September 2026 and tracks 17,100 professional contacts across them, including 4,761 with verified work emails. Houston is the largest hub.

This list covers company matches for alarm monitoring software companies associated with the United States, 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 September 27, 2026.

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 Sep 27, 2026 How this list was built
1,186Companies
17,100Contacts tracked
4,761Verified emails
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The 25 largest alarm monitoring software companies based in the United States

Ranked by team size
Top 25 of 1,186 company matches for alarm monitoring software companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchWarrendale, PA, United StatesHQ recorded Sep 27, 2026501-1,000677 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 · Sep 27, 2026 · View company records in RevenueBase
2Exact matchTulsa, TX, United StatesHQ recorded Sep 27, 2026501-1,000572 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 · Sep 27, 2026 · View company records in RevenueBase
3Exact matchSt. Louis, MO, United StatesHQ recorded Sep 27, 2026501-1,000569 contacts →

Exact match

“Interface Systems combines AI-powered technologies with expert remote video monitoring from its US-based Interactive Security Operations Centers (iSOCs).”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchBoca Raton, FL, United StatesHQ recorded Sep 27, 2026501-1,000561 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchSyracuse, NY, United StatesHQ recorded Sep 27, 2026501-1,000490 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchSouthfield, MI, United StatesHQ recorded Sep 27, 2026501-1,000389 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 · Sep 27, 2026 · View company records in RevenueBase
7Exact matchOgden, UT, United StatesHQ recorded Sep 27, 2026201-500375 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchNashville, TN, United StatesHQ recorded Sep 27, 2026201-500324 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchWilliamstown, NJ, United StatesHQ recorded Sep 27, 2026501-1,000312 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchSyosset, NY, United StatesHQ recorded Sep 27, 2026201-500302 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchAurora, IL, United StatesHQ recorded Sep 27, 2026201-500225 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchUnion, NJ, United StatesHQ recorded Sep 27, 2026501-1,000218 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026201-500206 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchArlington, MA, United StatesHQ recorded Sep 27, 2026201-500159 contacts →

Exact match

“We are in the business of protecting people's lives and property, so we understand our customers want and need access to American Alarm's talent and technology around the clock.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchPlainview, NY, United StatesHQ recorded Sep 27, 202651-200159 contacts →

Exact match

“General Security is a family owned and operated company with offices from Buffalo, NY to South East Florida.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchOmaha, NE, United StatesHQ recorded Sep 27, 202651-200157 contacts →

Exact match

“Security Equipment’s primary concern is for our client’s life safety and peace of mind.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchPeabody, MA, United StatesHQ recorded Sep 27, 202651-200156 contacts →

Exact match

“Established in 1974, AES Corporation empowers companies to grow profitable alarm monitoring businesses, and government agencies to enhance security anywhere in the world.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchHammond, LA, United StatesHQ recorded Sep 27, 2026n/a156 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchMiddletown, CT, United StatesHQ recorded Sep 27, 2026201-500148 contacts →

Exact match

“Installation and monitoring of commercial and residential security systems.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchGrand Rapids, MI, United StatesHQ recorded Sep 27, 2026201-500140 contacts →

Exact match

“A home and business security provider, EPS Security was founded in Grand Rapids, Michigan.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchAustin, MN, United StatesHQ recorded Sep 27, 2026201-500138 contacts →

Exact match

“With our 24/7/365 contact center and alarm monitoring central station, CRC has merged the benefits of personalized service with the efficiencies provided by technologically…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Sep 27, 2026201-500128 contacts →

Exact match

“Bulldog Security Services is a family-owned national ADT Authorized Dealer with over a decade of industry experience.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchLancaster, PA, United StatesHQ recorded Sep 27, 2026201-500119 contacts →

Exact match

“For more than 25 years, Monitronics® International has been providing professionally monitored security and life safety systems.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchColorado Springs, CO, United StatesHQ recorded Sep 27, 202651-200112 contacts →

Exact match

“Bold Group has been providing total business solutions for the security industry for over four decades.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchRochester, NY, United StatesHQ recorded Sep 27, 2026201-500112 contacts →

Exact match

“Doyle Security Systems has been a trusted provider of integrated security solutions for more than 100 years.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 1,186 alarm monitoring software companies based in the United States

See the full list, filter by size, metro and specialty, and access 4,761 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Alarm monitoring software companies based in the United States at a glance

As of Sep 27, 2026
27.8%Verified-email coverage
14.4Average contacts per company
11-50Median size (employees)
1.3%Largest-city concentration · Houston
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
552
11-50
449
51-200
134
201-500
30
501-1,000
13
1,001-5,000
4

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,186 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “alarm monitoring software companies” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 4,761 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 September 27, 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.

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 “alarm monitoring software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many alarm monitoring software companies are there based in the United States?

RevenueBase identified 1,186 company matches for alarm monitoring software companies associated with the United States as of September 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?

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

Which city has the most alarm monitoring software companies?

Houston leads with 15 company records, followed by Miami (12) and New York (12).

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 4,761 professional contacts with verified work emails tracked across these 1,186 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 September 27, 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.