Company lists · Data refreshed October 2026
Top 25 Monitoring security system suppliers worldwide
RevenueBase identified 20,701 company matches for monitoring security system suppliers worldwide as of October 2026 and tracks 384,601 professional contacts across them, including 53,041 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers company matches for monitoring security 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 19, 2026. Country and city lists for monitoring security 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.
The 25 largest monitoring security system suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 82,890 contacts → | ||||
Exact match “G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 2 | 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 19, 2026 · View company records in RevenueBase | |||||
| 3 | 6,400 contacts → | ||||
Exact match “Making the world a safer place.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 4 | 5,166 contacts → | ||||
Exact match “Axis enables a smarter and safer world by creating solutions for improving security and business performance.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 5 | 3,996 contacts → | ||||
Exact match “Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 6 | 3,785 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 7 | 2,739 contacts → | ||||
Exact match “Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 8 | 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 19, 2026 · View company records in RevenueBase | |||||
| 9 | 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 19, 2026 · View company records in RevenueBase | |||||
| 10 | 1,454 contacts → | ||||
Exact match “O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 11 | 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 19, 2026 · View company records in RevenueBase | |||||
| 12 | 1,404 contacts → | ||||
Exact match “See a different world.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 13 | 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 19, 2026 · View company records in RevenueBase | |||||
| 14 | 1,266 contacts → | ||||
Exact match “Being safe should be simple.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 15 | 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 19, 2026 · View company records in RevenueBase | |||||
| 16 | 1,164 contacts → | ||||
Exact match “Per Mar Security Services is the largest full-service security solutions provider in the Midwest.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 17 | 1,148 contacts → | ||||
Exact match “At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 18 | 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 19, 2026 · View company records in RevenueBase | |||||
| 19 | 1,033 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 20 | 1,011 contacts → | ||||
Exact match “Securitas es socio líder en soluciones de protección inteligente.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 21 | 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 19, 2026 · View company records in RevenueBase | |||||
| 22 | 930 contacts → | ||||
Exact match “Security Company Electronics developers Systems integrator” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 23 | 925 contacts → | ||||
Exact match “Founded in 1989, Terrier Security Services is a leading integrated security provider in India, with over guards and 2,480 secured sites.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 24 | 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 19, 2026 · View company records in RevenueBase | |||||
| 25 | 888 contacts → | ||||
Exact match “Proguarda é segurança.” Recorded in the RevenueBase company graph · Oct 19, 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 security 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 20,701 monitoring security system suppliers worldwide
See the full list, filter by size, metro and specialty, and access 53,041 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Monitoring security system suppliers worldwide at a glance
As of Oct 19, 2026Companies by employee count
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 security system suppliers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “monitoring security 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 53,041 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 19, 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 security system suppliers by location
75 lists · largest firstEvery Monitoring security system suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Monitoring security system suppliers based in the United States3,797
- Monitoring security system suppliers based in the United Kingdom1,959
- Monitoring security system suppliers based in Brazil1,457
- Monitoring security system suppliers based in India1,102
- Monitoring security system suppliers based in France911
- Monitoring security system suppliers based in Italy618
- Monitoring security system suppliers based in Canada597
- Monitoring security system suppliers based in Australia485
- Monitoring security system suppliers based in Germany480
- Monitoring security system suppliers based in Spain422
- Monitoring security system suppliers based in the Netherlands417
- Monitoring security system suppliers based in South Africa338
- Monitoring security system suppliers based in Mexico325
- Monitoring security system suppliers based in Türkiye302
- Monitoring security system suppliers based in Argentina275
- Monitoring security system suppliers based in Belgium242
- Monitoring security system suppliers based in the United Arab Emirates203
- Monitoring security system suppliers based in Sweden178
- Monitoring security system suppliers based in Chile173
- Monitoring security system suppliers based in Poland172
- Monitoring security system suppliers based in Colombia168
- Monitoring security system suppliers based in Peru131
- Monitoring security system suppliers based in Ireland127
- Monitoring security system suppliers based in Egypt126
- Monitoring security system suppliers based in Portugal125
- Monitoring security system suppliers based in Romania122
- Monitoring security system suppliers based in Switzerland114
- Monitoring security system suppliers based in Saudi Arabia98
- Monitoring security system suppliers based in New Zealand85
- Monitoring security system suppliers based in Denmark76
- Monitoring security system suppliers based in Greece76
- Monitoring security system suppliers based in Malaysia74
- Monitoring security system suppliers based in Czechia65
- Monitoring security system suppliers based in Ecuador62
- Monitoring security system suppliers based in Hungary60
- Monitoring security system suppliers based in Qatar49
- Monitoring security system suppliers based in Austria37
- Monitoring security system suppliers based in Norway37
- Monitoring security system suppliers based in Uruguay35
- Monitoring security system suppliers based in Finland33
- Monitoring security system suppliers based in Croatia25
Cities
- Monitoring security system suppliers based in Sao Paulo, Brazil258
- Monitoring security system suppliers based in London, United Kingdom200
- Monitoring security system suppliers based in Bangalore, India86
- Monitoring security system suppliers based in Dubai, United Arab Emirates86
- Monitoring security system suppliers based in Mumbai, India81
- Monitoring security system suppliers based in Rio De Janeiro, Brazil76
- Monitoring security system suppliers based in Houston, United States74
- Monitoring security system suppliers based in Pune, India70
- Monitoring security system suppliers based in Chennai, India65
- Monitoring security system suppliers based in New York, United States64
- Monitoring security system suppliers based in Johannesburg, South Africa56
- Monitoring security system suppliers based in Belo Horizonte, Brazil54
- Monitoring security system suppliers based in Santiago, Chile52
- Monitoring security system suppliers based in Madrid, Spain51
- Monitoring security system suppliers based in Manchester, United Kingdom48
- Monitoring security system suppliers based in Gurgaon, India47
- Monitoring security system suppliers based in Miami, United States47
- Monitoring security system suppliers based in Curitiba, Brazil46
- Monitoring security system suppliers based in Toronto, Canada46
- Monitoring security system suppliers based in Stockholm, Sweden40
- Monitoring security system suppliers based in Dallas, United States36
- Monitoring security system suppliers based in Montreal, Canada36
- Monitoring security system suppliers based in Auckland, New Zealand33
- Monitoring security system suppliers based in Calgary, Canada33
- Monitoring security system suppliers based in Cape Town, South Africa33
- Monitoring security system suppliers based in Birmingham, United Kingdom31
- Monitoring security system suppliers based in Doha, Qatar31
- Monitoring security system suppliers based in Sydney, Australia30
- Monitoring security system suppliers based in Los Angeles, United States29
- Monitoring security system suppliers based in Melbourne, Australia29
- Monitoring security system suppliers based in Atlanta, United States27
- Monitoring security system suppliers based in San Antonio, United States27
- Monitoring security system suppliers based in Indianapolis, United States26
- Monitoring security system suppliers based in Milan, Italy26
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 security system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many monitoring security system suppliers are there worldwide?
RevenueBase identified 20,701 company matches for monitoring security 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?
G4s tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most monitoring security system suppliers?
The United States leads with 3,797 companies, followed by the United Kingdom (1,959) and Brazil (1,457). Every monitoring security system suppliers list by country and city is linked on this page.
Which city has the most monitoring security system suppliers?
Sao Paulo leads with 258 company records, followed by London (208) and Istanbul (91).
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 53,041 professional contacts with verified work emails tracked across these 20,701 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 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 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.
More company lists
Company intelligence · public preview
Top 25 monitoring security system suppliers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 20,701 matching company records for monitoring security system suppliers worldwide, with 384,601 tracked contacts and 53,041 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 monitoring security system suppliers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  G4sg4s.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 82,890 contacts → |
“G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Verisureverisure.comHQ: Global Hq - Versoix, GermanyReported employees: 10001+ | Global Hq - Versoix, Germany | 10001+ | Exact match | 15,631 contacts → |
“Verisure is the global leader in professionally monitored security services by customers served, with a market-leading presence across Europe and Latin America.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Chubb Fire & Securitychubbfs.comHQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,400 contacts → |
“Making the world a safer place.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Axis Communicationsaxis.comHQ: Lund, SwedenReported employees: 1,001-5,000 | Lund, Sweden | 1,001-5,000 | Exact match | 5,166 contacts → |
“Axis enables a smarter and safer world by creating solutions for improving security and business performance.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Securitas Francefrance.securitas.frHQ: Issy-les-moulineaux, FranceReported employees: 10001+ | Issy-les-moulineaux, France | 10001+ | Exact match | 3,996 contacts → |
“Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  U.S. Security Associates, INCussecurityassociates.comHQ: Roswell, GA, United StatesReported employees: 10001+ | Roswell, GA, United States | 10001+ | Exact match | 3,785 contacts → |
“U.S.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Automated Systems Design, INCasd-usa.comHQ: Alpharetta, GA, United StatesReported employees: Not recorded | Alpharetta, GA, United States | Not recorded | Exact match | 2,739 contacts → |
“Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Pronet Security Servicespronet.com.trHQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 2,320 contacts → |
“Pronet is the leading electronic security company that offers residential and commercial security solutions in Turkey.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Everoneveronsolutions.comHQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 2,098 contacts → |
“Everon is a leading national provider of commercial security, video, fire, sprinkler, and life safety solutions for complex, multi-site businesses and organizations.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Comando G8comandog8.com.brHQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 1,454 contacts → |
“O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Protection 1 Security Solutionsprotection1.comHQ: Romeoville, IL, United StatesReported employees: 1,001-5,000 | Romeoville, IL, United States | 1,001-5,000 | Exact match | 1,446 contacts → |
“As of May 2016, Protection 1 and ADT merged together to become the leading company in the electronic security industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Securitas Belgiumsecuritas.beHQ: Diegem, BelgiumReported employees: 5,001-10,000 | Diegem, Belgium | 5,001-10,000 | Exact match | 1,404 contacts → |
“See a different world.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Vector Securityvectorsecurity.comHQ: Warrendale, PA, United StatesReported employees: 1,001-5,000 | Warrendale, PA, United States | 1,001-5,000 | Exact match | 1,332 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Simplisafesimplisafe.comHQ: Boston, MA, United StatesReported employees: 501-1,000 | Boston, MA, United States | 501-1,000 | Exact match | 1,266 contacts → |
“Being safe should be simple.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Safe Haven Security Services, LLCmysafehaven.comHQ: North Kansas City, MO, United StatesReported employees: 1,001-5,000 | North Kansas City, MO, United States | 1,001-5,000 | Exact match | 1,260 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  PER MAR Security Servicespermarsecurity.comHQ: Davenport, IA, United StatesReported employees: 1,001-5,000 | Davenport, IA, United States | 1,001-5,000 | Exact match | 1,164 contacts → |
“Per Mar Security Services is the largest full-service security solutions provider in the Midwest.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Titan Security Grouptitan-security.comHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 1,148 contacts → |
“At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Solid Security Sp. Z O.Osolidsecurity.plHQ: Warsaw, PolandReported employees: 10001+ | Warsaw, Poland | 10001+ | Exact match | 1,087 contacts → |
“Solid Security to doświadczenie, wiedza oraz profesjonalizm działań na rynku ochrony osób i mienia.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Onet Sécuritéonet.frHQ: Marseille, FranceReported employees: 10001+ | Marseille, France | 10001+ | Exact match | 1,033 contacts → |
“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…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Securitas Perúsecuritasperu.comHQ: Magdalena Del Mar, PeruReported employees: 1,001-5,000 | Magdalena Del Mar, Peru | 1,001-5,000 | Exact match | 1,011 contacts → |
“Securitas es socio líder en soluciones de protección inteligente.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Sector Alarm Norgesectoralarm.noHQ: Oslo, NorwayReported employees: 1,001-5,000 | Oslo, Norway | 1,001-5,000 | Exact match | 975 contacts → |
“Sector Alarm er en av Europas ledende leverandører av sikkerhet, og har mer enn 650 fornøyde og trygge kunder i Europa.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Strong Segurança, S.Astrongcharon.ptHQ: Amadora, PortugalReported employees: 5,001-10,000 | Amadora, Portugal | 5,001-10,000 | Exact match | 930 contacts → |
“Security Company Electronics developers Systems integrator” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Terrier Security Servicesterrier.co.inHQ: Bangalore, IndiaReported employees: 10001+ | Bangalore, India | 10001+ | Exact match | 925 contacts → |
“Founded in 1989, Terrier Security Services is a leading integrated security provider in India, with over guards and 2,480 secured sites.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Defendershomedefenders.comHQ: Indianapolis, IN, United StatesReported employees: 1,001-5,000 | Indianapolis, IN, United States | 1,001-5,000 | Exact match | 911 contacts → |
“DEFENDERS is a leader in the home security industry, providing safety and peace of mind to more than 1.5 million families nationwide.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Proguarda Vigilância E Segurançaproguarda.com.brHQ: Aparecida De Goiânia, BrazilReported employees: 1,001-5,000 | Aparecida De Goiânia, Brazil | 1,001-5,000 | Exact match | 888 contacts → |
“Proguarda é segurança.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 20,701 company matches
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Monitoring security system suppliers: dataset insights
October 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
20,529 records in the displayed employee bands.
172 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 20,701 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Monitoring security system suppliers by location
75 lists · largest firstEvery Monitoring security system suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Monitoring security system suppliers based in the United States3,797
- Monitoring security system suppliers based in the United Kingdom1,959
- Monitoring security system suppliers based in Brazil1,457
- Monitoring security system suppliers based in India1,102
- Monitoring security system suppliers based in France911
- Monitoring security system suppliers based in Italy618
- Monitoring security system suppliers based in Canada597
- Monitoring security system suppliers based in Australia485
- Monitoring security system suppliers based in Germany480
- Monitoring security system suppliers based in Spain422
- Monitoring security system suppliers based in the Netherlands417
- Monitoring security system suppliers based in South Africa338
- Monitoring security system suppliers based in Mexico325
- Monitoring security system suppliers based in Türkiye302
- Monitoring security system suppliers based in Argentina275
- Monitoring security system suppliers based in Belgium242
- Monitoring security system suppliers based in the United Arab Emirates203
- Monitoring security system suppliers based in Sweden178
- Monitoring security system suppliers based in Chile173
- Monitoring security system suppliers based in Poland172
- Monitoring security system suppliers based in Colombia168
- Monitoring security system suppliers based in Peru131
- Monitoring security system suppliers based in Ireland127
- Monitoring security system suppliers based in Egypt126
- Monitoring security system suppliers based in Portugal125
- Monitoring security system suppliers based in Romania122
- Monitoring security system suppliers based in Switzerland114
- Monitoring security system suppliers based in Saudi Arabia98
- Monitoring security system suppliers based in New Zealand85
- Monitoring security system suppliers based in Denmark76
- Monitoring security system suppliers based in Greece76
- Monitoring security system suppliers based in Malaysia74
- Monitoring security system suppliers based in Czechia65
- Monitoring security system suppliers based in Ecuador62
- Monitoring security system suppliers based in Hungary60
- Monitoring security system suppliers based in Qatar49
- Monitoring security system suppliers based in Austria37
- Monitoring security system suppliers based in Norway37
- Monitoring security system suppliers based in Uruguay35
- Monitoring security system suppliers based in Finland33
- Monitoring security system suppliers based in Croatia25
Cities
- Monitoring security system suppliers based in Sao Paulo, Brazil258
- Monitoring security system suppliers based in London, United Kingdom200
- Monitoring security system suppliers based in Bangalore, India86
- Monitoring security system suppliers based in Dubai, United Arab Emirates86
- Monitoring security system suppliers based in Mumbai, India81
- Monitoring security system suppliers based in Rio De Janeiro, Brazil76
- Monitoring security system suppliers based in Houston, United States74
- Monitoring security system suppliers based in Pune, India70
- Monitoring security system suppliers based in Chennai, India65
- Monitoring security system suppliers based in New York, United States64
- Monitoring security system suppliers based in Johannesburg, South Africa56
- Monitoring security system suppliers based in Belo Horizonte, Brazil54
- Monitoring security system suppliers based in Santiago, Chile52
- Monitoring security system suppliers based in Madrid, Spain51
- Monitoring security system suppliers based in Manchester, United Kingdom48
- Monitoring security system suppliers based in Gurgaon, India47
- Monitoring security system suppliers based in Miami, United States47
- Monitoring security system suppliers based in Curitiba, Brazil46
- Monitoring security system suppliers based in Toronto, Canada46
- Monitoring security system suppliers based in Stockholm, Sweden40
- Monitoring security system suppliers based in Dallas, United States36
- Monitoring security system suppliers based in Montreal, Canada36
- Monitoring security system suppliers based in Auckland, New Zealand33
- Monitoring security system suppliers based in Calgary, Canada33
- Monitoring security system suppliers based in Cape Town, South Africa33
- Monitoring security system suppliers based in Birmingham, United Kingdom31
- Monitoring security system suppliers based in Doha, Qatar31
- Monitoring security system suppliers based in Sydney, Australia30
- Monitoring security system suppliers based in Los Angeles, United States29
- Monitoring security system suppliers based in Melbourne, Australia29
- Monitoring security system suppliers based in Atlanta, United States27
- Monitoring security system suppliers based in San Antonio, United States27
- Monitoring security system suppliers based in Indianapolis, United States26
- Monitoring security system suppliers based in Milan, Italy26
Questions about this company list
What does Exact match mean for monitoring security system suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many monitoring security system suppliers did RevenueBase find worldwide?
The saved snapshot records 20,701 matching company records, 384,601 tracked contacts and 53,041 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 monitoring security system suppliers worldwide. Snapshot: October 19, 2026. https://revenuebase.ai/companies/browse/monitoring-security-system-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 monitoring security system suppliers worldwide
RevenueBase records 20,701 matching company records for monitoring security system suppliers worldwide, with 384,601 tracked contacts and 53,041 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 19, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 monitoring security system suppliers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | G4sg4s.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 82,890 contacts → |
“G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Verisureverisure.com HQ: Global Hq - Versoix, GermanyReported employees: 10001+ | Global Hq - Versoix, Germany | 10001+ | Exact match | 15,631 contacts → |
“Verisure is the global leader in professionally monitored security services by customers served, with a market-leading presence across Europe and Latin America.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Chubb Fire & Securitychubbfs.com HQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,400 contacts → |
“Making the world a safer place.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Axis Communicationsaxis.com HQ: Lund, SwedenReported employees: 1,001-5,000 | Lund, Sweden | 1,001-5,000 | Exact match | 5,166 contacts → |
“Axis enables a smarter and safer world by creating solutions for improving security and business performance.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Securitas Francefrance.securitas.fr HQ: Issy-les-moulineaux, FranceReported employees: 10001+ | Issy-les-moulineaux, France | 10001+ | Exact match | 3,996 contacts → |
“Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | U.S. Security Associates, INCussecurityassociates.com HQ: Roswell, GA, United StatesReported employees: 10001+ | Roswell, GA, United States | 10001+ | Exact match | 3,785 contacts → |
“U.S.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Automated Systems Design, INCasd-usa.com HQ: Alpharetta, GA, United StatesReported employees: Not recorded | Alpharetta, GA, United States | Not recorded | Exact match | 2,739 contacts → |
“Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Pronet Security Servicespronet.com.tr HQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 2,320 contacts → |
“Pronet is the leading electronic security company that offers residential and commercial security solutions in Turkey.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Everoneveronsolutions.com HQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 2,098 contacts → |
“Everon is a leading national provider of commercial security, video, fire, sprinkler, and life safety solutions for complex, multi-site businesses and organizations.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Comando G8comandog8.com.br HQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 1,454 contacts → |
“O Grupo Comando G8 é referência nacional na implantação e operação de soluções integradas em segurança e serviços.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Protection 1 Security Solutionsprotection1.com HQ: Romeoville, IL, United StatesReported employees: 1,001-5,000 | Romeoville, IL, United States | 1,001-5,000 | Exact match | 1,446 contacts → |
“As of May 2016, Protection 1 and ADT merged together to become the leading company in the electronic security industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Securitas Belgiumsecuritas.be HQ: Diegem, BelgiumReported employees: 5,001-10,000 | Diegem, Belgium | 5,001-10,000 | Exact match | 1,404 contacts → |
“See a different world.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Vector Securityvectorsecurity.com HQ: Warrendale, PA, United StatesReported employees: 1,001-5,000 | Warrendale, PA, United States | 1,001-5,000 | Exact match | 1,332 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Simplisafesimplisafe.com HQ: Boston, MA, United StatesReported employees: 501-1,000 | Boston, MA, United States | 501-1,000 | Exact match | 1,266 contacts → |
“Being safe should be simple.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Safe Haven Security Services, LLCmysafehaven.com HQ: North Kansas City, MO, United StatesReported employees: 1,001-5,000 | North Kansas City, MO, United States | 1,001-5,000 | Exact match | 1,260 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | PER MAR Security Servicespermarsecurity.com HQ: Davenport, IA, United StatesReported employees: 1,001-5,000 | Davenport, IA, United States | 1,001-5,000 | Exact match | 1,164 contacts → |
“Per Mar Security Services is the largest full-service security solutions provider in the Midwest.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Titan Security Grouptitan-security.com HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 1,148 contacts → |
“At Titan Security Group, we understand that each client is unique, with specific security needs shaped by the type of property and its location.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Solid Security Sp. Z O.Osolidsecurity.pl HQ: Warsaw, PolandReported employees: 10001+ | Warsaw, Poland | 10001+ | Exact match | 1,087 contacts → |
“Solid Security to doświadczenie, wiedza oraz profesjonalizm działań na rynku ochrony osób i mienia.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Onet Sécuritéonet.fr HQ: Marseille, FranceReported employees: 10001+ | Marseille, France | 10001+ | Exact match | 1,033 contacts → |
“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…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Securitas Perúsecuritasperu.com HQ: Magdalena Del Mar, PeruReported employees: 1,001-5,000 | Magdalena Del Mar, Peru | 1,001-5,000 | Exact match | 1,011 contacts → |
“Securitas es socio líder en soluciones de protección inteligente.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Sector Alarm Norgesectoralarm.no HQ: Oslo, NorwayReported employees: 1,001-5,000 | Oslo, Norway | 1,001-5,000 | Exact match | 975 contacts → |
“Sector Alarm er en av Europas ledende leverandører av sikkerhet, og har mer enn 650 fornøyde og trygge kunder i Europa.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Strong Segurança, S.Astrongcharon.pt HQ: Amadora, PortugalReported employees: 5,001-10,000 | Amadora, Portugal | 5,001-10,000 | Exact match | 930 contacts → |
“Security Company Electronics developers Systems integrator” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Terrier Security Servicesterrier.co.in HQ: Bangalore, IndiaReported employees: 10001+ | Bangalore, India | 10001+ | Exact match | 925 contacts → |
“Founded in 1989, Terrier Security Services is a leading integrated security provider in India, with over guards and 2,480 secured sites.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Defendershomedefenders.com HQ: Indianapolis, IN, United StatesReported employees: 1,001-5,000 | Indianapolis, IN, United States | 1,001-5,000 | Exact match | 911 contacts → |
“DEFENDERS is a leader in the home security industry, providing safety and peace of mind to more than 1.5 million families nationwide.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Proguarda Vigilância E Segurançaproguarda.com.br HQ: Aparecida De Goiânia, BrazilReported employees: 1,001-5,000 | Aparecida De Goiânia, Brazil | 1,001-5,000 | Exact match | 888 contacts → |
“Proguarda é segurança.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 20,701 company matches
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Monitoring security system suppliers: dataset insights
October 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
20,529 records in the displayed employee bands.
172 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 20,701 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 19, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Monitoring security system suppliers by location
75 lists · largest firstEvery Monitoring security system suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Monitoring security system suppliers based in the United States3,797
- Monitoring security system suppliers based in the United Kingdom1,959
- Monitoring security system suppliers based in Brazil1,457
- Monitoring security system suppliers based in India1,102
- Monitoring security system suppliers based in France911
- Monitoring security system suppliers based in Italy618
- Monitoring security system suppliers based in Canada597
- Monitoring security system suppliers based in Australia485
- Monitoring security system suppliers based in Germany480
- Monitoring security system suppliers based in Spain422
- Monitoring security system suppliers based in the Netherlands417
- Monitoring security system suppliers based in South Africa338
- Monitoring security system suppliers based in Mexico325
- Monitoring security system suppliers based in Türkiye302
- Monitoring security system suppliers based in Argentina275
- Monitoring security system suppliers based in Belgium242
- Monitoring security system suppliers based in the United Arab Emirates203
- Monitoring security system suppliers based in Sweden178
- Monitoring security system suppliers based in Chile173
- Monitoring security system suppliers based in Poland172
- Monitoring security system suppliers based in Colombia168
- Monitoring security system suppliers based in Peru131
- Monitoring security system suppliers based in Ireland127
- Monitoring security system suppliers based in Egypt126
- Monitoring security system suppliers based in Portugal125
- Monitoring security system suppliers based in Romania122
- Monitoring security system suppliers based in Switzerland114
- Monitoring security system suppliers based in Saudi Arabia98
- Monitoring security system suppliers based in New Zealand85
- Monitoring security system suppliers based in Denmark76
- Monitoring security system suppliers based in Greece76
- Monitoring security system suppliers based in Malaysia74
- Monitoring security system suppliers based in Czechia65
- Monitoring security system suppliers based in Ecuador62
- Monitoring security system suppliers based in Hungary60
- Monitoring security system suppliers based in Qatar49
- Monitoring security system suppliers based in Austria37
- Monitoring security system suppliers based in Norway37
- Monitoring security system suppliers based in Uruguay35
- Monitoring security system suppliers based in Finland33
- Monitoring security system suppliers based in Croatia25
Cities
- Monitoring security system suppliers based in Sao Paulo, Brazil258
- Monitoring security system suppliers based in London, United Kingdom200
- Monitoring security system suppliers based in Bangalore, India86
- Monitoring security system suppliers based in Dubai, United Arab Emirates86
- Monitoring security system suppliers based in Mumbai, India81
- Monitoring security system suppliers based in Rio De Janeiro, Brazil76
- Monitoring security system suppliers based in Houston, United States74
- Monitoring security system suppliers based in Pune, India70
- Monitoring security system suppliers based in Chennai, India65
- Monitoring security system suppliers based in New York, United States64
- Monitoring security system suppliers based in Johannesburg, South Africa56
- Monitoring security system suppliers based in Belo Horizonte, Brazil54
- Monitoring security system suppliers based in Santiago, Chile52
- Monitoring security system suppliers based in Madrid, Spain51
- Monitoring security system suppliers based in Manchester, United Kingdom48
- Monitoring security system suppliers based in Gurgaon, India47
- Monitoring security system suppliers based in Miami, United States47
- Monitoring security system suppliers based in Curitiba, Brazil46
- Monitoring security system suppliers based in Toronto, Canada46
- Monitoring security system suppliers based in Stockholm, Sweden40
- Monitoring security system suppliers based in Dallas, United States36
- Monitoring security system suppliers based in Montreal, Canada36
- Monitoring security system suppliers based in Auckland, New Zealand33
- Monitoring security system suppliers based in Calgary, Canada33
- Monitoring security system suppliers based in Cape Town, South Africa33
- Monitoring security system suppliers based in Birmingham, United Kingdom31
- Monitoring security system suppliers based in Doha, Qatar31
- Monitoring security system suppliers based in Sydney, Australia30
- Monitoring security system suppliers based in Los Angeles, United States29
- Monitoring security system suppliers based in Melbourne, Australia29
- Monitoring security system suppliers based in Atlanta, United States27
- Monitoring security system suppliers based in San Antonio, United States27
- Monitoring security system suppliers based in Indianapolis, United States26
- Monitoring security system suppliers based in Milan, Italy26
Questions about this company list
What does Exact match mean for monitoring security system suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many monitoring security system suppliers did RevenueBase find worldwide?
The saved snapshot records 20,701 matching company records, 384,601 tracked contacts and 53,041 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 19, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 monitoring security system suppliers worldwide. Snapshot: October 19, 2026. https://revenuebase.ai/companies/browse/monitoring-security-system-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗