Company lists · Data refreshed September 2026
Top 25 Commercial security system providers worldwide
RevenueBase identified 24,980 commercial security system providers worldwide as of September 2026 and tracks 287,936 professional contacts across them, including 52,232 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers commercial security system providers 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 27, 2026. Country and city lists for commercial security system providers 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.
The 25 largest commercial security system providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 14,199 contacts → | ||||
Partial evidence “Verisure is the global leader in professionally monitored security services by customers served, with a market-leading presence across Europe and Latin America.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 6,169 contacts → | ||||
Indirect evidence “Making the world a safer place.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 3,843 contacts → | ||||
Partial evidence “Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 3,592 contacts → | ||||
Indirect evidence “U.S.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 2,678 contacts → | ||||
Partial evidence “Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 2,126 contacts → | ||||
Strong evidence “Pronet is the leading electronic security company that offers residential and commercial security solutions in Turkey.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 2,045 contacts → | ||||
Strong 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 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 1,438 contacts → | ||||
Indirect evidence “Pye-Barker Fire & Safety is the U.S.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 1,406 contacts → | ||||
Partial evidence “As of May 2016, Protection 1 and ADT merged together to become the leading company in the electronic security industry.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 1,399 contacts → | ||||
Partial evidence “Weiser Security Services is the 11th largest security service provider in the U.S.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 1,287 contacts → | ||||
Partial evidence “Vector Security® has protected people and property by providing intelligent security solutions tailored to the needs of the customer for more than 50 years.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 1,276 contacts → | ||||
Partial evidence “Established in Safe Haven Security has grown to become the nation’s largest ADT-authorized dealer, trusted by homeowners and businesses across the country.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 1,138 contacts → | ||||
Partial evidence “At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 1,120 contacts → | ||||
Partial evidence “Per Mar Security Services is the largest full-service security solutions provider in the Midwest.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 1,068 contacts → | ||||
Partial evidence “Solid Security to doświadczenie, wiedza oraz profesjonalizm działań na rynku ochrony osób i mienia.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 1,007 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 953 contacts → | ||||
Indirect evidence “Sector Alarm er en av Europas ledende leverandører av sikkerhet, og har mer enn 650 fornøyde og trygge kunder i Europa.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 893 contacts → | ||||
Strong evidence “Security Company Electronics developers Systems integrator” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 891 contacts → | ||||
Partial evidence “Securitas es socio líder en soluciones de protección inteligente.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 885 contacts → | ||||
Partial evidence “DEFENDERS is a leader in the home security industry, providing safety and peace of mind to more than 1.5 million families nationwide.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 849 contacts → | ||||
Strong evidence “Security 101® is a nationwide leader in designing, installing, and maintaining advanced security systems tailored to the unique needs of organizations of all sizes.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 839 contacts → | ||||
Partial evidence “Securitas knows Security.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 834 contacts → | ||||
Partial evidence “Koorsen Fire & Security is a family-owned operation that has kept homes and businesses safe for more than 70 years.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 799 contacts → | ||||
Partial evidence “ADT Commercial, LLC was acquired by GTCR and is now Everon, LLC.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 763 contacts → | ||||
Partial evidence “For more than 30 years, CPI Security has been a leader in customized home and business security and home automation services.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: commercial security system providers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names commercial security system providers.
- Partial evidence
- Its own public description names part of commercial security system providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name commercial security system providers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 24,980 commercial security system providers worldwide
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 52,232 reachable decision-makers.
Free signup · no credit card
Commercial security system providers worldwide at a glance
As of Sep 27, 2026Companies by employee count
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 commercial security system providers, 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 commercial security system providers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “commercial security system providers”. 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 commercial security system providers), 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 commercial security system providers, 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, 52,232 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 27, 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.
Commercial security system providers by location
76 lists · largest firstEvery Commercial security system providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Commercial security system providers based in the United States4,922
- Commercial security system providers based in the United Kingdom2,394
- Commercial security system providers based in Brazil1,649
- Commercial security system providers based in India1,245
- Commercial security system providers based in France1,103
- Commercial security system providers based in Italy772
- Commercial security system providers based in Canada724
- Commercial security system providers based in Australia638
- Commercial security system providers based in Germany573
- Commercial security system providers based in the Netherlands518
- Commercial security system providers based in Spain514
- Commercial security system providers based in Mexico414
- Commercial security system providers based in South Africa377
- Commercial security system providers based in Türkiye364
- Commercial security system providers based in Argentina329
- Commercial security system providers based in Belgium295
- Commercial security system providers based in the United Arab Emirates271
- Commercial security system providers based in Colombia222
- Commercial security system providers based in Poland220
- Commercial security system providers based in Chile217
- Commercial security system providers based in Sweden211
- Commercial security system providers based in Peru155
- Commercial security system providers based in Ireland147
- Commercial security system providers based in Portugal144
- Commercial security system providers based in Egypt134
- Commercial security system providers based in Romania134
- Commercial security system providers based in Switzerland132
- Commercial security system providers based in Saudi Arabia114
- Commercial security system providers based in New Zealand106
- Commercial security system providers based in Denmark103
- Commercial security system providers based in Greece82
- Commercial security system providers based in Malaysia79
- Commercial security system providers based in Ecuador73
- Commercial security system providers based in Hungary70
- Commercial security system providers based in Norway50
- Commercial security system providers based in Austria45
- Commercial security system providers based in Qatar45
- Commercial security system providers based in Uruguay41
- Commercial security system providers based in Finland39
- Commercial security system providers based in Croatia26
Cities
- Commercial security system providers based in Sao Paulo, Brazil322
- Commercial security system providers based in London, United Kingdom236
- Commercial security system providers based in Rio De Janeiro, Brazil109
- Commercial security system providers based in New York, United States88
- Commercial security system providers based in Mumbai, India86
- Commercial security system providers based in Houston, United States85
- Commercial security system providers based in Chennai, India71
- Commercial security system providers based in Pune, India70
- Commercial security system providers based in Toronto, Canada66
- Commercial security system providers based in Johannesburg, South Africa58
- Commercial security system providers based in Miami, United States55
- Commercial security system providers based in Belo Horizonte, Brazil54
- Commercial security system providers based in Manchester, United Kingdom51
- Commercial security system providers based in Dallas, United States49
- Commercial security system providers based in Los Angeles, United States48
- Commercial security system providers based in Campinas, Brazil47
- Commercial security system providers based in Cape Town, South Africa46
- Commercial security system providers based in Bengaluru, India42
- Commercial security system providers based in Curitiba, Brazil42
- Commercial security system providers based in Calgary, Canada41
- Commercial security system providers based in Atlanta, United States40
- Commercial security system providers based in Montreal, Canada35
- Commercial security system providers based in Birmingham, United Kingdom34
- Commercial security system providers based in Chicago, United States33
- Commercial security system providers based in Indianapolis, United States32
- Commercial security system providers based in Phoenix, United States32
- Commercial security system providers based in Glasgow, United Kingdom31
- Commercial security system providers based in Austin, United States30
- Commercial security system providers based in Las Vegas, United States30
- Commercial security system providers based in Brooklyn, United States27
- Commercial security system providers based in Edmonton, Canada27
- Commercial security system providers based in Jacksonville, United States27
- Commercial security system providers based in San Antonio, United States27
- Commercial security system providers based in Charlotte, United States26
- Commercial security system providers based in Denver, United States26
- Commercial security system providers based in Tampa, United States25
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 commercial security system providers, 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 commercial security system providers are there worldwide?
RevenueBase identified 24,980 commercial security system providers 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?
Verisure, headquartered in Worldwide, tops this list with the largest team on record.
Which country has the most commercial security system providers?
The United States leads with 4,922 companies, followed by the United Kingdom (2,394) and Brazil (1,649). Every commercial security system providers list by country and city is linked on this page.
Which city has the most commercial security system providers?
Sao Paulo leads with 322 headquartered companies, followed by London (245) and Dubai (120).
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 52,232 verified decision-maker contacts tracked across these 24,980 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 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 24,980 commercial security system providers worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
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.