Company lists · Data refreshed November 2026
Top 25 Security engineering firms worldwide
RevenueBase identified 19,065 company matches for security engineering firms worldwide as of November 2026 and tracks 241,548 professional contacts across them, including 50,874 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for security engineering firms 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 November 5, 2026. Country and city lists for security engineering firms 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 security engineering firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 13,149 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 6,705 contacts → | ||||
Exact match “Making the world a safer place.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 6,031 contacts → | ||||
Exact match “Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 4,112 contacts → | ||||
Exact match “Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 2,754 contacts → | ||||
Exact match “Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 2,367 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 2,178 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 1,365 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 1,346 contacts → | ||||
Exact match “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 1,234 contacts → | ||||
Exact match “Per Mar Security Services is the largest full-service security solutions provider in the Midwest.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 1,209 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 1,159 contacts → | ||||
Exact match “A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 1,154 contacts → | ||||
Exact match “Solid Security to doświadczenie, wiedza oraz profesjonalizm działań na rynku ochrony osób i mienia.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 1,142 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 1,080 contacts → | ||||
Exact match “Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 1,034 contacts → | ||||
Exact match “Securitas es socio líder en soluciones de protección inteligente.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 969 contacts → | ||||
Exact match “Security Company Electronics developers Systems integrator” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 927 contacts → | ||||
Exact match “Security 101® is a nationwide leader in designing, installing, and maintaining advanced security systems tailored to the unique needs of organizations of all sizes.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 841 contacts → | ||||
Exact match “Chubb provides an unparalleled portfolio of security and life safety solutions to Canadian institutions, businesses and residences.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 837 contacts → | ||||
Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 798 contacts → | ||||
Exact match “For more than 30 years, CPI Security has been a leader in customized home and business security and home automation services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 759 contacts → | ||||
Exact match “Grupo Control es una empresa especializada en ofrecer soluciones integrales de seguridad y vigilancia por lo que es una empresa homologada y certificada, con exigentes controles…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 756 contacts → | ||||
Exact match “comienzos de 1989 se funda SABICO SEGURIDAD S.A, estando inscrita en el Registro de Empresas de Seguridad con el nº 1731.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 605 contacts → | ||||
Exact match “KingAlarm Systems began operations in March and, in a relatively short time, has become the largest Electronic Security Company not just in Jamaica but the entire Caribbean…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 578 contacts → | ||||
Exact match “Ford AV designs, installs, and services professional and commercial sound, audio-video, network infrastructure, and security surveillance systems for organizations including…” Recorded in the RevenueBase company graph · Nov 5, 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 “security engineering firms”. 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 19,065 security engineering firms worldwide
See the full list, filter by size, metro and specialty, and access 50,874 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Security engineering firms worldwide at a glance
As of Nov 5, 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 security engineering firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “security engineering firms” 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 50,874 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 November 5, 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.
Security engineering firms by location
82 lists · largest firstEvery Security engineering firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security engineering firms based in the United States4,077
- Security engineering firms based in the United Kingdom1,791
- Security engineering firms based in Brazil1,080
- Security engineering firms based in France884
- Security engineering firms based in India753
- Security engineering firms based in Italy595
- Security engineering firms based in Canada539
- Security engineering firms based in Australia488
- Security engineering firms based in Germany459
- Security engineering firms based in the Netherlands427
- Security engineering firms based in Spain378
- Security engineering firms based in Mexico301
- Security engineering firms based in South Africa273
- Security engineering firms based in Türkiye243
- Security engineering firms based in Argentina232
- Security engineering firms based in Belgium228
- Security engineering firms based in Sweden192
- Security engineering firms based in the United Arab Emirates181
- Security engineering firms based in Chile178
- Security engineering firms based in Colombia171
- Security engineering firms based in Poland162
- Security engineering firms based in Switzerland134
- Security engineering firms based in Peru130
- Security engineering firms based in Romania105
- Security engineering firms based in Ireland101
- Security engineering firms based in Portugal92
- Security engineering firms based in Saudi Arabia91
- Security engineering firms based in Egypt90
- Security engineering firms based in New Zealand79
- Security engineering firms based in Denmark71
- Security engineering firms based in Greece67
- Security engineering firms based in Czechia66
- Security engineering firms based in Israel57
- Security engineering firms based in Hungary54
- Security engineering firms based in Indonesia44
- Security engineering firms based in Malaysia41
- Security engineering firms based in the Philippines41
- Security engineering firms based in Austria40
- Security engineering firms based in Qatar39
- Security engineering firms based in Norway30
- Security engineering firms based in Croatia27
- Security engineering firms based in Finland25
Cities
- Security engineering firms based in Sao Paulo, Brazil234
- Security engineering firms based in London, United Kingdom228
- Security engineering firms based in Bangalore, India88
- Security engineering firms based in Dubai, United Arab Emirates86
- Security engineering firms based in New York, United States83
- Security engineering firms based in Istanbul, Türkiye72
- Security engineering firms based in Paris, France69
- Security engineering firms based in Rio De Janeiro, Brazil68
- Security engineering firms based in Houston, United States66
- Security engineering firms based in Buenos Aires, Argentina65
- Security engineering firms based in Toronto, Canada65
- Security engineering firms based in Madrid, Spain61
- Security engineering firms based in Stockholm, Sweden58
- Security engineering firms based in Pune, India51
- Security engineering firms based in Miami, United States50
- Security engineering firms based in Melbourne, Australia49
- Security engineering firms based in Belo Horizonte, Brazil45
- Security engineering firms based in Dallas, United States44
- Security engineering firms based in Sydney, Australia41
- Security engineering firms based in Manchester, United Kingdom40
- Security engineering firms based in Los Angeles, United States39
- Security engineering firms based in Atlanta, United States35
- Security engineering firms based in Cape Town, South Africa35
- Security engineering firms based in Johannesburg, South Africa34
- Security engineering firms based in Chicago, United States33
- Security engineering firms based in Calgary, Canada32
- Security engineering firms based in Montreal, Canada32
- Security engineering firms based in Berlin, Germany31
- Security engineering firms based in Austin, United States30
- Security engineering firms based in Auckland, New Zealand28
- Security engineering firms based in Barcelona, Spain28
- Security engineering firms based in Denver, United States28
- Security engineering firms based in Las Vegas, United States28
- Security engineering firms based in San Antonio, United States28
- Security engineering firms based in Bristol, United Kingdom27
- Security engineering firms based in Phoenix, United States27
- Security engineering firms based in San Diego, United States27
- Security engineering firms based in Warsaw, Poland27
- Security engineering firms based in Doha, Qatar25
- Security engineering firms based in Orlando, United States25
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 “security engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security engineering firms are there worldwide?
RevenueBase identified 19,065 company matches for security engineering firms worldwide as of November 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?
Private Sector tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most security engineering firms?
The United States leads with 4,077 companies, followed by the United Kingdom (1,791) and Brazil (1,080). Every security engineering firms list by country and city is linked on this page.
Which city has the most security engineering firms?
London leads with 234 company records, followed by Sao Paulo (234) and Bangalore (90).
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 50,874 professional contacts with verified work emails tracked across these 19,065 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 November 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 19,065 security engineering firms worldwide. Start with a free account, no credit card.
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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 security engineering firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 19,065 matching company records for security engineering firms worldwide, with 241,548 tracked contacts and 50,874 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: November 5, 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 security engineering firms 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 |  Private Sectorlockervault.comHQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 13,149 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 |  Chubb Fire & Securitychubbfs.comHQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,705 contacts → |
“Making the world a safer place.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Convergintconvergint.comHQ: Hoffman Estates, IL, United StatesReported employees: 10001+ | Hoffman Estates, IL, United States | 10001+ | Exact match | 6,031 contacts → |
“Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Securitas Francefrance.securitas.frHQ: Issy-les-moulineaux, FranceReported employees: 10001+ | Issy-les-moulineaux, France | 10001+ | Exact match | 4,112 contacts → |
“Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Automated Systems Design, INCasd-usa.comHQ: Alpharetta, GA, United StatesReported employees: Not recorded | Alpharetta, GA, United States | Not recorded | Exact match | 2,754 contacts → |
“Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Pronet Security Servicespronet.com.trHQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 2,367 contacts → |
“Pronet is the leading electronic security company that offers residential and commercial security solutions in Turkey.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Everoneveronsolutions.comHQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 2,178 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Vector Securityvectorsecurity.comHQ: Warrendale, TX, United StatesReported employees: 1,001-5,000 | Warrendale, TX, United States | 1,001-5,000 | Exact match | 1,365 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Guidepoint Securityguidepointsecurity.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,346 contacts → |
“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  PER MAR Security Servicespermarsecurity.comHQ: Davenport, IA, United StatesReported employees: 1,001-5,000 | Davenport, IA, United States | 1,001-5,000 | Exact match | 1,234 contacts → |
“Per Mar Security Services is the largest full-service security solutions provider in the Midwest.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Titan Security Grouptitan-security.comHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 1,209 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Seguritechseguritech.comHQ: Mexico City, MexicoReported employees: 1,001-5,000 | Mexico City, Mexico | 1,001-5,000 | Exact match | 1,159 contacts → |
“A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Solid Security Sp. Z O.Osolidsecurity.plHQ: Warsaw, PolandReported employees: 10001+ | Warsaw, Poland | 10001+ | Exact match | 1,154 contacts → |
“Solid Security to doświadczenie, wiedza oraz profesjonalizm działań na rynku ochrony osób i mienia.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Onet Sécuritéonet.frHQ: Marseille, FranceReported employees: 10001+ | Marseille, France | 10001+ | Exact match | 1,142 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Brosnan Risk Consultantsbrosnanrisk.comHQ: Pearl River, CA, United StatesReported employees: 5,001-10,000 | Pearl River, CA, United States | 5,001-10,000 | Exact match | 1,080 contacts → |
“Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Securitas Perúsecuritasperu.comHQ: Magdalena Del Mar, PeruReported employees: 1,001-5,000 | Magdalena Del Mar, Peru | 1,001-5,000 | Exact match | 1,034 contacts → |
“Securitas es socio líder en soluciones de protección inteligente.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Strong Segurança, S.Astrongcharon.ptHQ: Amadora, PortugalReported employees: 5,001-10,000 | Amadora, Portugal | 5,001-10,000 | Exact match | 969 contacts → |
“Security Company Electronics developers Systems integrator” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Security 101security101.comHQ: West Palm Beach, TN, United StatesReported employees: 501-1,000 | West Palm Beach, TN, United States | 501-1,000 | Exact match | 927 contacts → |
“Security 101® is a nationwide leader in designing, installing, and maintaining advanced security systems tailored to the unique needs of organizations of all sizes.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Chubb Fire & Security Canadachubbfs.caHQ: Mississauga, NS, CanadaReported employees: 1,001-5,000 | Mississauga, NS, Canada | 1,001-5,000 | Exact match | 841 contacts → |
“Chubb provides an unparalleled portfolio of security and life safety solutions to Canadian institutions, businesses and residences.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Securitas Electronic Security, INCsecuritases.comHQ: Uniontown, IL, United StatesReported employees: 10001+ | Uniontown, IL, United States | 10001+ | Exact match | 837 contacts → |
“Securitas knows Security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  CPI Securitycpisecurity.comHQ: Charlotte, SC, United StatesReported employees: 501-1,000 | Charlotte, SC, United States | 501-1,000 | Exact match | 798 contacts → |
“For more than 30 years, CPI Security has been a leader in customized home and business security and home automation services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Grupo Control Seguridadgrupocontrol.comHQ: Almería, SpainReported employees: 1,001-5,000 | Almería, Spain | 1,001-5,000 | Exact match | 759 contacts → |
“Grupo Control es una empresa especializada en ofrecer soluciones integrales de seguridad y vigilancia por lo que es una empresa homologada y certificada, con exigentes controles…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Sabico Seguridadsabico.comHQ: SpainReported employees: 1,001-5,000 | Spain | 1,001-5,000 | Exact match | 756 contacts → |
“comienzos de 1989 se funda SABICO SEGURIDAD S.A, estando inscrita en el Registro de Empresas de Seguridad con el nº 1731.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Kingalarm Systemskingalarmgroup.comHQ: Kingston 5, JamaicaReported employees: 1,001-5,000 | Kingston 5, Jamaica | 1,001-5,000 | Exact match | 605 contacts → |
“KingAlarm Systems began operations in March and, in a relatively short time, has become the largest Electronic Security Company not just in Jamaica but the entire Caribbean…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Ford Audio-Videofordav.comHQ: Oklahoma City, NV, United StatesReported employees: 501-1,000 | Oklahoma City, NV, United States | 501-1,000 | Exact match | 578 contacts → |
“Ford AV designs, installs, and services professional and commercial sound, audio-video, network infrastructure, and security surveillance systems for organizations including…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 19,065 company matches
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Security engineering firms: dataset insights
November 5, 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
18,748 records in the displayed employee bands.
317 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 19,065 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: November 5, 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 ↗
Security engineering firms by location
82 lists · largest firstEvery Security engineering firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security engineering firms based in the United States4,077
- Security engineering firms based in the United Kingdom1,791
- Security engineering firms based in Brazil1,080
- Security engineering firms based in France884
- Security engineering firms based in India753
- Security engineering firms based in Italy595
- Security engineering firms based in Canada539
- Security engineering firms based in Australia488
- Security engineering firms based in Germany459
- Security engineering firms based in the Netherlands427
- Security engineering firms based in Spain378
- Security engineering firms based in Mexico301
- Security engineering firms based in South Africa273
- Security engineering firms based in Türkiye243
- Security engineering firms based in Argentina232
- Security engineering firms based in Belgium228
- Security engineering firms based in Sweden192
- Security engineering firms based in the United Arab Emirates181
- Security engineering firms based in Chile178
- Security engineering firms based in Colombia171
- Security engineering firms based in Poland162
- Security engineering firms based in Switzerland134
- Security engineering firms based in Peru130
- Security engineering firms based in Romania105
- Security engineering firms based in Ireland101
- Security engineering firms based in Portugal92
- Security engineering firms based in Saudi Arabia91
- Security engineering firms based in Egypt90
- Security engineering firms based in New Zealand79
- Security engineering firms based in Denmark71
- Security engineering firms based in Greece67
- Security engineering firms based in Czechia66
- Security engineering firms based in Israel57
- Security engineering firms based in Hungary54
- Security engineering firms based in Indonesia44
- Security engineering firms based in Malaysia41
- Security engineering firms based in the Philippines41
- Security engineering firms based in Austria40
- Security engineering firms based in Qatar39
- Security engineering firms based in Norway30
- Security engineering firms based in Croatia27
- Security engineering firms based in Finland25
Cities
- Security engineering firms based in Sao Paulo, Brazil234
- Security engineering firms based in London, United Kingdom228
- Security engineering firms based in Bangalore, India88
- Security engineering firms based in Dubai, United Arab Emirates86
- Security engineering firms based in New York, United States83
- Security engineering firms based in Istanbul, Türkiye72
- Security engineering firms based in Paris, France69
- Security engineering firms based in Rio De Janeiro, Brazil68
- Security engineering firms based in Houston, United States66
- Security engineering firms based in Buenos Aires, Argentina65
- Security engineering firms based in Toronto, Canada65
- Security engineering firms based in Madrid, Spain61
- Security engineering firms based in Stockholm, Sweden58
- Security engineering firms based in Pune, India51
- Security engineering firms based in Miami, United States50
- Security engineering firms based in Melbourne, Australia49
- Security engineering firms based in Belo Horizonte, Brazil45
- Security engineering firms based in Dallas, United States44
- Security engineering firms based in Sydney, Australia41
- Security engineering firms based in Manchester, United Kingdom40
- Security engineering firms based in Los Angeles, United States39
- Security engineering firms based in Atlanta, United States35
- Security engineering firms based in Cape Town, South Africa35
- Security engineering firms based in Johannesburg, South Africa34
- Security engineering firms based in Chicago, United States33
- Security engineering firms based in Calgary, Canada32
- Security engineering firms based in Montreal, Canada32
- Security engineering firms based in Berlin, Germany31
- Security engineering firms based in Austin, United States30
- Security engineering firms based in Auckland, New Zealand28
- Security engineering firms based in Barcelona, Spain28
- Security engineering firms based in Denver, United States28
- Security engineering firms based in Las Vegas, United States28
- Security engineering firms based in San Antonio, United States28
- Security engineering firms based in Bristol, United Kingdom27
- Security engineering firms based in Phoenix, United States27
- Security engineering firms based in San Diego, United States27
- Security engineering firms based in Warsaw, Poland27
- Security engineering firms based in Doha, Qatar25
- Security engineering firms based in Orlando, United States25
Questions about this company list
What does Exact match mean for security engineering firms?
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 security engineering firms did RevenueBase find worldwide?
The saved snapshot records 19,065 matching company records, 241,548 tracked contacts and 50,874 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: November 5, 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 security engineering firms worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/security-engineering-firms.
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 security engineering firms worldwide
RevenueBase records 19,065 matching company records for security engineering firms worldwide, with 241,548 tracked contacts and 50,874 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: November 5, 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 security engineering firms 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 | Private Sectorlockervault.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 13,149 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 | Chubb Fire & Securitychubbfs.com HQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,705 contacts → |
“Making the world a safer place.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Convergintconvergint.com HQ: Hoffman Estates, IL, United StatesReported employees: 10001+ | Hoffman Estates, IL, United States | 10001+ | Exact match | 6,031 contacts → |
“Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Securitas Francefrance.securitas.fr HQ: Issy-les-moulineaux, FranceReported employees: 10001+ | Issy-les-moulineaux, France | 10001+ | Exact match | 4,112 contacts → |
“Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Automated Systems Design, INCasd-usa.com HQ: Alpharetta, GA, United StatesReported employees: Not recorded | Alpharetta, GA, United States | Not recorded | Exact match | 2,754 contacts → |
“Since 1987, Automated Systems Design, Inc.(ASD®) a five-time Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Pronet Security Servicespronet.com.tr HQ: Istanbul, TürkiyeReported employees: 1,001-5,000 | Istanbul, Türkiye | 1,001-5,000 | Exact match | 2,367 contacts → |
“Pronet is the leading electronic security company that offers residential and commercial security solutions in Turkey.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Everoneveronsolutions.com HQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 2,178 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Vector Securityvectorsecurity.com HQ: Warrendale, TX, United StatesReported employees: 1,001-5,000 | Warrendale, TX, United States | 1,001-5,000 | Exact match | 1,365 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Guidepoint Securityguidepointsecurity.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,346 contacts → |
“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 | 1,234 contacts → |
“Per Mar Security Services is the largest full-service security solutions provider in the Midwest.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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 | 1,209 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Seguritechseguritech.com HQ: Mexico City, MexicoReported employees: 1,001-5,000 | Mexico City, Mexico | 1,001-5,000 | Exact match | 1,159 contacts → |
“A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Solid Security Sp. Z O.Osolidsecurity.pl HQ: Warsaw, PolandReported employees: 10001+ | Warsaw, Poland | 10001+ | Exact match | 1,154 contacts → |
“Solid Security to doświadczenie, wiedza oraz profesjonalizm działań na rynku ochrony osób i mienia.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Onet Sécuritéonet.fr HQ: Marseille, FranceReported employees: 10001+ | Marseille, France | 10001+ | Exact match | 1,142 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Brosnan Risk Consultantsbrosnanrisk.com HQ: Pearl River, CA, United StatesReported employees: 5,001-10,000 | Pearl River, CA, United States | 5,001-10,000 | Exact match | 1,080 contacts → |
“Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Securitas Perúsecuritasperu.com HQ: Magdalena Del Mar, PeruReported employees: 1,001-5,000 | Magdalena Del Mar, Peru | 1,001-5,000 | Exact match | 1,034 contacts → |
“Securitas es socio líder en soluciones de protección inteligente.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Strong Segurança, S.Astrongcharon.pt HQ: Amadora, PortugalReported employees: 5,001-10,000 | Amadora, Portugal | 5,001-10,000 | Exact match | 969 contacts → |
“Security Company Electronics developers Systems integrator” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Security 101security101.com HQ: West Palm Beach, TN, United StatesReported employees: 501-1,000 | West Palm Beach, TN, United States | 501-1,000 | Exact match | 927 contacts → |
“Security 101® is a nationwide leader in designing, installing, and maintaining advanced security systems tailored to the unique needs of organizations of all sizes.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Chubb Fire & Security Canadachubbfs.ca HQ: Mississauga, NS, CanadaReported employees: 1,001-5,000 | Mississauga, NS, Canada | 1,001-5,000 | Exact match | 841 contacts → |
“Chubb provides an unparalleled portfolio of security and life safety solutions to Canadian institutions, businesses and residences.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Securitas Electronic Security, INCsecuritases.com HQ: Uniontown, IL, United StatesReported employees: 10001+ | Uniontown, IL, United States | 10001+ | Exact match | 837 contacts → |
“Securitas knows Security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | CPI Securitycpisecurity.com HQ: Charlotte, SC, United StatesReported employees: 501-1,000 | Charlotte, SC, United States | 501-1,000 | Exact match | 798 contacts → |
“For more than 30 years, CPI Security has been a leader in customized home and business security and home automation services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Grupo Control Seguridadgrupocontrol.com HQ: Almería, SpainReported employees: 1,001-5,000 | Almería, Spain | 1,001-5,000 | Exact match | 759 contacts → |
“Grupo Control es una empresa especializada en ofrecer soluciones integrales de seguridad y vigilancia por lo que es una empresa homologada y certificada, con exigentes controles…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sabico Seguridadsabico.com HQ: SpainReported employees: 1,001-5,000 | Spain | 1,001-5,000 | Exact match | 756 contacts → |
“comienzos de 1989 se funda SABICO SEGURIDAD S.A, estando inscrita en el Registro de Empresas de Seguridad con el nº 1731.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Kingalarm Systemskingalarmgroup.com HQ: Kingston 5, JamaicaReported employees: 1,001-5,000 | Kingston 5, Jamaica | 1,001-5,000 | Exact match | 605 contacts → |
“KingAlarm Systems began operations in March and, in a relatively short time, has become the largest Electronic Security Company not just in Jamaica but the entire Caribbean…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Ford Audio-Videofordav.com HQ: Oklahoma City, NV, United StatesReported employees: 501-1,000 | Oklahoma City, NV, United States | 501-1,000 | Exact match | 578 contacts → |
“Ford AV designs, installs, and services professional and commercial sound, audio-video, network infrastructure, and security surveillance systems for organizations including…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 19,065 company matches
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Security engineering firms: dataset insights
November 5, 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
18,748 records in the displayed employee bands.
317 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 19,065 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: November 5, 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 ↗
Security engineering firms by location
82 lists · largest firstEvery Security engineering firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security engineering firms based in the United States4,077
- Security engineering firms based in the United Kingdom1,791
- Security engineering firms based in Brazil1,080
- Security engineering firms based in France884
- Security engineering firms based in India753
- Security engineering firms based in Italy595
- Security engineering firms based in Canada539
- Security engineering firms based in Australia488
- Security engineering firms based in Germany459
- Security engineering firms based in the Netherlands427
- Security engineering firms based in Spain378
- Security engineering firms based in Mexico301
- Security engineering firms based in South Africa273
- Security engineering firms based in Türkiye243
- Security engineering firms based in Argentina232
- Security engineering firms based in Belgium228
- Security engineering firms based in Sweden192
- Security engineering firms based in the United Arab Emirates181
- Security engineering firms based in Chile178
- Security engineering firms based in Colombia171
- Security engineering firms based in Poland162
- Security engineering firms based in Switzerland134
- Security engineering firms based in Peru130
- Security engineering firms based in Romania105
- Security engineering firms based in Ireland101
- Security engineering firms based in Portugal92
- Security engineering firms based in Saudi Arabia91
- Security engineering firms based in Egypt90
- Security engineering firms based in New Zealand79
- Security engineering firms based in Denmark71
- Security engineering firms based in Greece67
- Security engineering firms based in Czechia66
- Security engineering firms based in Israel57
- Security engineering firms based in Hungary54
- Security engineering firms based in Indonesia44
- Security engineering firms based in Malaysia41
- Security engineering firms based in the Philippines41
- Security engineering firms based in Austria40
- Security engineering firms based in Qatar39
- Security engineering firms based in Norway30
- Security engineering firms based in Croatia27
- Security engineering firms based in Finland25
Cities
- Security engineering firms based in Sao Paulo, Brazil234
- Security engineering firms based in London, United Kingdom228
- Security engineering firms based in Bangalore, India88
- Security engineering firms based in Dubai, United Arab Emirates86
- Security engineering firms based in New York, United States83
- Security engineering firms based in Istanbul, Türkiye72
- Security engineering firms based in Paris, France69
- Security engineering firms based in Rio De Janeiro, Brazil68
- Security engineering firms based in Houston, United States66
- Security engineering firms based in Buenos Aires, Argentina65
- Security engineering firms based in Toronto, Canada65
- Security engineering firms based in Madrid, Spain61
- Security engineering firms based in Stockholm, Sweden58
- Security engineering firms based in Pune, India51
- Security engineering firms based in Miami, United States50
- Security engineering firms based in Melbourne, Australia49
- Security engineering firms based in Belo Horizonte, Brazil45
- Security engineering firms based in Dallas, United States44
- Security engineering firms based in Sydney, Australia41
- Security engineering firms based in Manchester, United Kingdom40
- Security engineering firms based in Los Angeles, United States39
- Security engineering firms based in Atlanta, United States35
- Security engineering firms based in Cape Town, South Africa35
- Security engineering firms based in Johannesburg, South Africa34
- Security engineering firms based in Chicago, United States33
- Security engineering firms based in Calgary, Canada32
- Security engineering firms based in Montreal, Canada32
- Security engineering firms based in Berlin, Germany31
- Security engineering firms based in Austin, United States30
- Security engineering firms based in Auckland, New Zealand28
- Security engineering firms based in Barcelona, Spain28
- Security engineering firms based in Denver, United States28
- Security engineering firms based in Las Vegas, United States28
- Security engineering firms based in San Antonio, United States28
- Security engineering firms based in Bristol, United Kingdom27
- Security engineering firms based in Phoenix, United States27
- Security engineering firms based in San Diego, United States27
- Security engineering firms based in Warsaw, Poland27
- Security engineering firms based in Doha, Qatar25
- Security engineering firms based in Orlando, United States25
Questions about this company list
What does Exact match mean for security engineering firms?
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 security engineering firms did RevenueBase find worldwide?
The saved snapshot records 19,065 matching company records, 241,548 tracked contacts and 50,874 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: November 5, 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 security engineering firms worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/security-engineering-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗