Company lists · Data refreshed November 2026
Top 25 Infrastructure security firms worldwide
RevenueBase identified 38,615 company matches for infrastructure security firms worldwide as of November 2026 and tracks 1,103,982 professional contacts across them, including 165,425 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for infrastructure security 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 infrastructure security 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 infrastructure security firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 86,236 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 66,203 contacts → | ||||
Exact match “Allied Universal®, a leading security and facility services company, provides proactive security services and cutting-edge smart technology to deliver evolving, tailored solutions…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 46,086 contacts → | ||||
Exact match “50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 40,551 contacts → | ||||
Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 13,149 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 10,193 contacts → | ||||
Exact match “About Us: At MANTECH, we believe national security demands more than technology-it requires an unwavering dedication to the mission and the warfighters who defend it.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 8,791 contacts → | ||||
Exact match “One of the largest companies in the professional services and security markets in Brazil.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 7,033 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 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 | |||||
| 10 | 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 | |||||
| 11 | 5,755 contacts → | ||||
Exact match “Tyco offers comprehensive security solutions to protect people, facilities, and assets as part of Johnson Controls world leading portfolio of building products, technologies…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 5,254 contacts → | ||||
Exact match “A SegurPro é o próximo passo em segurança privada.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 5,040 contacts → | ||||
Exact match “Certis is a leading advanced integrated security organisation that develops and delivers multi-disciplinary smart security and integrated services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 4,808 contacts → | ||||
Exact match “As one of Canada’s Best Managed Companies, boasting Canada’s 10 Most Admired Corporate Cultures, Paladin is Canada’s leading security company, with services and superior expertise…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 4,705 contacts → | ||||
Exact match “O que é trabalhar no Grupo Haganá?” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 4,263 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 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 | |||||
| 18 | 4,040 contacts → | ||||
Exact match “Excelsior Defense is a security and investigations company based out of St.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 3,977 contacts → | ||||
Exact match “Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 3,955 contacts → | ||||
Exact match “Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 3,921 contacts → | ||||
Exact match “Everywhere Security Matters™ Inter-Con is one of the largest and fastest-growing physical security and risk management companies in the world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 3,786 contacts → | ||||
Exact match “Fidelity Services Group is Southern Africa’s largest integrated security solutions provider and the industry leader in protection innovation.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 3,688 contacts → | ||||
Exact match “Bidvest Protea Coin is a leading provider of integrated, intelligence driven risk management services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 3,635 contacts → | ||||
Exact match “Somos la empresa de seguridad de mayor prestigio en el Perú" Comenzamos en el año 1989, con solo 4 hombres de Seguridad, que creyeron en nuestro estilo de liderazgo y decidieron…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 3,593 contacts → | ||||
Exact match “Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” 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 “infrastructure security 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 38,615 infrastructure security firms worldwide
See the full list, filter by size, metro and specialty, and access 165,425 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Infrastructure security 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 infrastructure security firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “infrastructure security 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 165,425 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.
Infrastructure security firms by location
218 lists · largest firstEvery Infrastructure security firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Infrastructure security firms based in the United States7,264
- Infrastructure security firms based in the United Kingdom2,978
- Infrastructure security firms based in India2,314
- Infrastructure security firms based in Brazil2,067
- Infrastructure security firms based in France1,718
- Infrastructure security firms based in Germany1,300
- Infrastructure security firms based in Canada1,157
- Infrastructure security firms based in Australia1,059
- Infrastructure security firms based in the Netherlands903
- Infrastructure security firms based in Italy783
- Infrastructure security firms based in South Africa696
- Infrastructure security firms based in Mexico668
- Infrastructure security firms based in Spain612
- Infrastructure security firms based in the United Arab Emirates559
- Infrastructure security firms based in Argentina419
- Infrastructure security firms based in Türkiye385
- Infrastructure security firms based in Colombia378
- Infrastructure security firms based in Chile356
- Infrastructure security firms based in Switzerland335
- Infrastructure security firms based in Belgium316
- Infrastructure security firms based in Sweden294
- Infrastructure security firms based in Poland287
- Infrastructure security firms based in Nigeria267
- Infrastructure security firms based in Peru261
- Infrastructure security firms based in Saudi Arabia259
- Infrastructure security firms based in Pakistan239
- Infrastructure security firms based in Israel199
- Infrastructure security firms based in Singapore198
- Infrastructure security firms based in Kenya191
- Infrastructure security firms based in Indonesia184
- Infrastructure security firms based in Egypt170
- Infrastructure security firms based in Romania158
- Infrastructure security firms based in Malaysia157
- Infrastructure security firms based in Ireland150
- Infrastructure security firms based in New Zealand145
- Infrastructure security firms based in Denmark142
- Infrastructure security firms based in Morocco141
- Infrastructure security firms based in Ecuador138
- Infrastructure security firms based in Portugal138
- Infrastructure security firms based in China131
- Infrastructure security firms based in Czechia120
- Infrastructure security firms based in Austria117
- Infrastructure security firms based in Greece115
- Infrastructure security firms based in the Philippines111
- Infrastructure security firms based in Bangladesh105
- Infrastructure security firms based in Qatar105
- Infrastructure security firms based in Japan89
- Infrastructure security firms based in Norway85
- Infrastructure security firms based in Hungary82
- Infrastructure security firms based in Ukraine77
- Infrastructure security firms based in Finland75
- Infrastructure security firms based in Sri Lanka68
- Infrastructure security firms based in Venezuela67
- Infrastructure security firms based in Russia57
- Infrastructure security firms based in the Dominican Republic55
- Infrastructure security firms based in Costa Rica54
- Infrastructure security firms based in Bulgaria52
- Infrastructure security firms based in Slovakia51
- Infrastructure security firms based in Uruguay50
- Infrastructure security firms based in Serbia46
- Infrastructure security firms based in Lebanon45
- Infrastructure security firms based in Thailand45
- Infrastructure security firms based in Hong Kong44
- Infrastructure security firms based in Zimbabwe44
- Infrastructure security firms based in Luxembourg40
- Infrastructure security firms based in Panama40
- Infrastructure security firms based in Croatia37
- Infrastructure security firms based in Cyprus37
- Infrastructure security firms based in Jordan37
- Infrastructure security firms based in Estonia35
- Infrastructure security firms based in Kuwait28
Cities
- Infrastructure security firms based in London, United Kingdom794
- Infrastructure security firms based in Sao Paulo, Brazil505
- Infrastructure security firms based in Dubai, United Arab Emirates321
- Infrastructure security firms based in Paris, France253
- Infrastructure security firms based in Bangalore, India244
- Infrastructure security firms based in New York, United States222
- Infrastructure security firms based in Toronto, Canada189
- Infrastructure security firms based in New Delhi, India179
- Infrastructure security firms based in Singapore, Singapore175
- Infrastructure security firms based in Mumbai, India168
- Infrastructure security firms based in Houston, United States160
- Infrastructure security firms based in Melbourne, Australia157
- Infrastructure security firms based in Pune, India157
- Infrastructure security firms based in Hyderabad, India153
- Infrastructure security firms based in Nairobi, Kenya153
- Infrastructure security firms based in Sydney, Australia145
- Infrastructure security firms based in Riyadh, Saudi Arabia144
- Infrastructure security firms based in Bogota, Colombia134
- Infrastructure security firms based in Johannesburg, South Africa133
- Infrastructure security firms based in Rio De Janeiro, Brazil133
- Infrastructure security firms based in Los Angeles, United States130
- Infrastructure security firms based in Buenos Aires, Argentina129
- Infrastructure security firms based in Madrid, Spain128
- Infrastructure security firms based in Istanbul, Türkiye127
- Infrastructure security firms based in Mexico City, Mexico126
- Infrastructure security firms based in Chennai, India112
- Infrastructure security firms based in Miami, United States111
- Infrastructure security firms based in Berlin, Germany109
- Infrastructure security firms based in Stockholm, Sweden106
- Infrastructure security firms based in Atlanta, United States103
- Infrastructure security firms based in Santiago, Chile103
- Infrastructure security firms based in Lima, Peru102
- Infrastructure security firms based in Dallas, United States101
- Infrastructure security firms based in Noida, India100
- Infrastructure security firms based in Rome, Italy98
- Infrastructure security firms based in Chicago, United States95
- Infrastructure security firms based in Austin, United States93
- Infrastructure security firms based in Cairo, Egypt89
- Infrastructure security firms based in Gurgaon, India86
- Infrastructure security firms based in Montreal, Canada86
- Infrastructure security firms based in Washington, United States85
- Infrastructure security firms based in Cape Town, South Africa82
- Infrastructure security firms based in Ahmedabad, India81
- Infrastructure security firms based in Manchester, United Kingdom81
- Infrastructure security firms based in Warsaw, Poland79
- Infrastructure security firms based in Calgary, Canada78
- Infrastructure security firms based in Karachi, Pakistan78
- Infrastructure security firms based in Lagos, Nigeria78
- Infrastructure security firms based in Delhi, India74
- Infrastructure security firms based in Ottawa, Canada73
- Infrastructure security firms based in Tampa, United States72
- Infrastructure security firms based in Barcelona, Spain70
- Infrastructure security firms based in Birmingham, United Kingdom68
- Infrastructure security firms based in Denver, United States67
- Infrastructure security firms based in Auckland, New Zealand66
- Infrastructure security firms based in Belo Horizonte, Brazil66
- Infrastructure security firms based in Brisbane, Australia66
- Infrastructure security firms based in San Francisco, United States65
- Infrastructure security firms based in Bucharest, Romania64
- Infrastructure security firms based in Dhaka, Bangladesh64
- Infrastructure security firms based in Las Vegas, United States64
- Infrastructure security firms based in Milan, Italy63
- Infrastructure security firms based in Doha, Qatar62
- Infrastructure security firms based in Phoenix, United States62
- Infrastructure security firms based in Quito, Ecuador60
- Infrastructure security firms based in Curitiba, Brazil59
- Infrastructure security firms based in San Diego, United States59
- Infrastructure security firms based in Orlando, United States58
- Infrastructure security firms based in Charlotte, United States57
- Infrastructure security firms based in Abu Dhabi, United Arab Emirates56
- Infrastructure security firms based in Vancouver, Canada56
- Infrastructure security firms based in Porto Alegre, Brazil55
- Infrastructure security firms based in Brasilia, Brazil54
- Infrastructure security firms based in Mississauga, Canada53
- Infrastructure security firms based in Munich, Germany53
- Infrastructure security firms based in San Antonio, United States53
- Infrastructure security firms based in Amsterdam, Netherlands49
- Infrastructure security firms based in Dublin, Ireland49
- Infrastructure security firms based in Prague, Czechia48
- Infrastructure security firms based in Tel Aviv, Israel48
- Infrastructure security firms based in Kolkata, India47
- Infrastructure security firms based in Pretoria, South Africa46
- Infrastructure security firms based in Seattle, United States46
- Infrastructure security firms based in Baltimore, United States45
- Infrastructure security firms based in Edmonton, Canada45
- Infrastructure security firms based in Perth, Australia45
- Infrastructure security firms based in Jaipur, India44
- Infrastructure security firms based in Leeds, United Kingdom44
- Infrastructure security firms based in Ankara, Türkiye43
- Infrastructure security firms based in Hamburg, Germany43
- Infrastructure security firms based in Kyiv, Ukraine43
- Infrastructure security firms based in Montevideo, Uruguay42
- Infrastructure security firms based in Boston, United States41
- Infrastructure security firms based in Jakarta, Indonesia40
- Infrastructure security firms based in Frankfurt, Germany39
- Infrastructure security firms based in Indianapolis, United States39
- Infrastructure security firms based in Arlington, United States38
- Infrastructure security firms based in Caracas, Venezuela38
- Infrastructure security firms based in San Jose, United States38
- Infrastructure security firms based in Barueri, Brazil37
- Infrastructure security firms based in Medellin, Colombia37
- Infrastructure security firms based in Athens, Greece36
- Infrastructure security firms based in Columbia, United States36
- Infrastructure security firms based in Kuala Lumpur, Malaysia36
- Infrastructure security firms based in Lyon, France36
- Infrastructure security firms based in Vienna, Austria36
- Infrastructure security firms based in Mclean, United States34
- Infrastructure security firms based in Wilmington, United States34
- Infrastructure security firms based in Bristol, United Kingdom33
- Infrastructure security firms based in Glasgow, United Kingdom33
- Infrastructure security firms based in Nashville, United States33
- Infrastructure security firms based in Oslo, Norway33
- Infrastructure security firms based in Reston, United States33
- Infrastructure security firms based in Alexandria, United States32
- Infrastructure security firms based in Canberra, Australia32
- Infrastructure security firms based in Zurich, Switzerland32
- Infrastructure security firms based in Mexico, Mexico31
- Infrastructure security firms based in Dki Jakarta, Indonesia30
- Infrastructure security firms based in Scottsdale, United States30
- Infrastructure security firms based in Budapest, Hungary29
- Infrastructure security firms based in Cologne, Germany29
- Infrastructure security firms based in Irvine, United States29
- Infrastructure security firms based in Minneapolis, United States29
- Infrastructure security firms based in Panama, Panama29
- Infrastructure security firms based in Thane, India29
- Infrastructure security firms based in Fort Lauderdale, United States28
- Infrastructure security firms based in Huntsville, United States28
- Infrastructure security firms based in Portland, United States28
- Infrastructure security firms based in Richmond, United States28
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 “infrastructure security firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many infrastructure security firms are there worldwide?
RevenueBase identified 38,615 company matches for infrastructure security 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?
G4s tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most infrastructure security firms?
The United States leads with 7,264 companies, followed by the United Kingdom (2,978) and India (2,314). Every infrastructure security firms list by country and city is linked on this page.
Which city has the most infrastructure security firms?
London leads with 811 company records, followed by Sao Paulo (505) and Dubai (322).
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 165,425 professional contacts with verified work emails tracked across these 38,615 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 38,615 infrastructure security 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 infrastructure security 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 38,615 matching company records for infrastructure security firms worldwide, with 1,103,982 tracked contacts and 165,425 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 infrastructure security 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 |  G4sg4s.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 86,236 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Allied Universalaus.comHQ: Irvine, IL, United StatesReported employees: 10001+ | Irvine, IL, United States | 10001+ | Exact match | 66,203 contacts → |
“Allied Universal®, a leading security and facility services company, provides proactive security services and cutting-edge smart technology to deliver evolving, tailored solutions…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Prosegurprosegur.comHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 46,086 contacts → |
“50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Securitas Security Services Usa, INCsecuritasinc.comHQ: Parsippany, MI, United StatesReported employees: 10001+ | Parsippany, MI, United States | 10001+ | Exact match | 40,551 contacts → |
“Securitas knows Security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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. | |||||
| 6 |  Mantechmantech.comHQ: Herndon, VA, United StatesReported employees: 5,001-10,000 | Herndon, VA, United States | 5,001-10,000 | Exact match | 10,193 contacts → |
“About Us: At MANTECH, we believe national security demands more than technology-it requires an unwavering dedication to the mission and the warfighters who defend it.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Gocil Tecnologia EM Segurança E Serviçosgocil.com.brHQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 8,791 contacts → |
“One of the largest companies in the professional services and security markets in Brazil.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Securitas Groupsecuritas.comHQ: Stockholm, SwedenReported employees: 10001+ | Stockholm, Sweden | 10001+ | Exact match | 7,033 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 |  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. | |||||
| 10 |  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. | |||||
| 11 |  TYCOtyco.comHQ: Cork, IrelandReported employees: 10001+ | Cork, Ireland | 10001+ | Exact match | 5,755 contacts → |
“Tyco offers comprehensive security solutions to protect people, facilities, and assets as part of Johnson Controls world leading portfolio of building products, technologies…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Segurprosegurpro.com.brHQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 5,254 contacts → |
“A SegurPro é o próximo passo em segurança privada.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Certiscertisgroup.comHQ: SingaporeReported employees: 10001+ | Singapore | 10001+ | Exact match | 5,040 contacts → |
“Certis is a leading advanced integrated security organisation that develops and delivers multi-disciplinary smart security and integrated services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Paladin Security Group LTDpaladinsecurity.comHQ: Burnaby, BC, CanadaReported employees: 10001+ | Burnaby, BC, Canada | 10001+ | Exact match | 4,808 contacts → |
“As one of Canada’s Best Managed Companies, boasting Canada’s 10 Most Admired Corporate Cultures, Paladin is Canada’s leading security company, with services and superior expertise…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Grupo Haganáhagana.com.brHQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 4,705 contacts → |
“O que é trabalhar no Grupo Haganá?” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  U.S. Security Associates, INCussecurityassociates.comHQ: Roswell, UT, United StatesReported employees: 10001+ | Roswell, UT, United States | 10001+ | Exact match | 4,263 contacts → |
“U.S.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  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. | |||||
| 18 | Unemployedexcelsiordefense.com HQ: St. Petersburg, FL, United StatesReported employees: Not recorded | St. Petersburg, FL, United States | Not recorded | Exact match | 4,040 contacts → |
“Excelsior Defense is a security and investigations company based out of St.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Orange Cyberdefenseorangecyberdefense.comHQ: Nanterre, FranceReported employees: 1,001-5,000 | Nanterre, France | 1,001-5,000 | Exact match | 3,977 contacts → |
“Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Securitas Seguridad Españasecuritas.esHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 3,955 contacts → |
“Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Inter-Con Securityicsecurity.comHQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 3,921 contacts → |
“Everywhere Security Matters™ Inter-Con is one of the largest and fastest-growing physical security and risk management companies in the world.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Fidelity Services Groupfidelity-services.comHQ: South AfricaReported employees: 10001+ | South Africa | 10001+ | Exact match | 3,786 contacts → |
“Fidelity Services Group is Southern Africa’s largest integrated security solutions provider and the industry leader in protection innovation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Bidvest Protea Coinproteacoin.co.zaHQ: City Of Tshwane, South AfricaReported employees: 10001+ | City Of Tshwane, South Africa | 10001+ | Exact match | 3,688 contacts → |
“Bidvest Protea Coin is a leading provider of integrated, intelligence driven risk management services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Lidermanliderman.com.peHQ: Lima, PeruReported employees: 10001+ | Lima, Peru | 10001+ | Exact match | 3,635 contacts → |
“Somos la empresa de seguridad de mayor prestigio en el Perú" Comenzamos en el año 1989, con solo 4 hombres de Seguridad, que creyeron en nuestro estilo de liderazgo y decidieron…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Sicuritalia S.P.Asicuritalia.itHQ: Milan, ItalyReported employees: 10001+ | Milan, Italy | 10001+ | Exact match | 3,593 contacts → |
“Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 38,615 company matches
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Infrastructure security 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
38,252 records in the displayed employee bands.
363 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 38,615 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 ↗
Infrastructure security firms by location
218 lists · largest firstEvery Infrastructure security firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Infrastructure security firms based in the United States7,264
- Infrastructure security firms based in the United Kingdom2,978
- Infrastructure security firms based in India2,314
- Infrastructure security firms based in Brazil2,067
- Infrastructure security firms based in France1,718
- Infrastructure security firms based in Germany1,300
- Infrastructure security firms based in Canada1,157
- Infrastructure security firms based in Australia1,059
- Infrastructure security firms based in the Netherlands903
- Infrastructure security firms based in Italy783
- Infrastructure security firms based in South Africa696
- Infrastructure security firms based in Mexico668
- Infrastructure security firms based in Spain612
- Infrastructure security firms based in the United Arab Emirates559
- Infrastructure security firms based in Argentina419
- Infrastructure security firms based in Türkiye385
- Infrastructure security firms based in Colombia378
- Infrastructure security firms based in Chile356
- Infrastructure security firms based in Switzerland335
- Infrastructure security firms based in Belgium316
- Infrastructure security firms based in Sweden294
- Infrastructure security firms based in Poland287
- Infrastructure security firms based in Nigeria267
- Infrastructure security firms based in Peru261
- Infrastructure security firms based in Saudi Arabia259
- Infrastructure security firms based in Pakistan239
- Infrastructure security firms based in Israel199
- Infrastructure security firms based in Singapore198
- Infrastructure security firms based in Kenya191
- Infrastructure security firms based in Indonesia184
- Infrastructure security firms based in Egypt170
- Infrastructure security firms based in Romania158
- Infrastructure security firms based in Malaysia157
- Infrastructure security firms based in Ireland150
- Infrastructure security firms based in New Zealand145
- Infrastructure security firms based in Denmark142
- Infrastructure security firms based in Morocco141
- Infrastructure security firms based in Ecuador138
- Infrastructure security firms based in Portugal138
- Infrastructure security firms based in China131
- Infrastructure security firms based in Czechia120
- Infrastructure security firms based in Austria117
- Infrastructure security firms based in Greece115
- Infrastructure security firms based in the Philippines111
- Infrastructure security firms based in Bangladesh105
- Infrastructure security firms based in Qatar105
- Infrastructure security firms based in Japan89
- Infrastructure security firms based in Norway85
- Infrastructure security firms based in Hungary82
- Infrastructure security firms based in Ukraine77
- Infrastructure security firms based in Finland75
- Infrastructure security firms based in Sri Lanka68
- Infrastructure security firms based in Venezuela67
- Infrastructure security firms based in Russia57
- Infrastructure security firms based in the Dominican Republic55
- Infrastructure security firms based in Costa Rica54
- Infrastructure security firms based in Bulgaria52
- Infrastructure security firms based in Slovakia51
- Infrastructure security firms based in Uruguay50
- Infrastructure security firms based in Serbia46
- Infrastructure security firms based in Lebanon45
- Infrastructure security firms based in Thailand45
- Infrastructure security firms based in Hong Kong44
- Infrastructure security firms based in Zimbabwe44
- Infrastructure security firms based in Luxembourg40
- Infrastructure security firms based in Panama40
- Infrastructure security firms based in Croatia37
- Infrastructure security firms based in Cyprus37
- Infrastructure security firms based in Jordan37
- Infrastructure security firms based in Estonia35
- Infrastructure security firms based in Kuwait28
Cities
- Infrastructure security firms based in London, United Kingdom794
- Infrastructure security firms based in Sao Paulo, Brazil505
- Infrastructure security firms based in Dubai, United Arab Emirates321
- Infrastructure security firms based in Paris, France253
- Infrastructure security firms based in Bangalore, India244
- Infrastructure security firms based in New York, United States222
- Infrastructure security firms based in Toronto, Canada189
- Infrastructure security firms based in New Delhi, India179
- Infrastructure security firms based in Singapore, Singapore175
- Infrastructure security firms based in Mumbai, India168
- Infrastructure security firms based in Houston, United States160
- Infrastructure security firms based in Melbourne, Australia157
- Infrastructure security firms based in Pune, India157
- Infrastructure security firms based in Hyderabad, India153
- Infrastructure security firms based in Nairobi, Kenya153
- Infrastructure security firms based in Sydney, Australia145
- Infrastructure security firms based in Riyadh, Saudi Arabia144
- Infrastructure security firms based in Bogota, Colombia134
- Infrastructure security firms based in Johannesburg, South Africa133
- Infrastructure security firms based in Rio De Janeiro, Brazil133
- Infrastructure security firms based in Los Angeles, United States130
- Infrastructure security firms based in Buenos Aires, Argentina129
- Infrastructure security firms based in Madrid, Spain128
- Infrastructure security firms based in Istanbul, Türkiye127
- Infrastructure security firms based in Mexico City, Mexico126
- Infrastructure security firms based in Chennai, India112
- Infrastructure security firms based in Miami, United States111
- Infrastructure security firms based in Berlin, Germany109
- Infrastructure security firms based in Stockholm, Sweden106
- Infrastructure security firms based in Atlanta, United States103
- Infrastructure security firms based in Santiago, Chile103
- Infrastructure security firms based in Lima, Peru102
- Infrastructure security firms based in Dallas, United States101
- Infrastructure security firms based in Noida, India100
- Infrastructure security firms based in Rome, Italy98
- Infrastructure security firms based in Chicago, United States95
- Infrastructure security firms based in Austin, United States93
- Infrastructure security firms based in Cairo, Egypt89
- Infrastructure security firms based in Gurgaon, India86
- Infrastructure security firms based in Montreal, Canada86
- Infrastructure security firms based in Washington, United States85
- Infrastructure security firms based in Cape Town, South Africa82
- Infrastructure security firms based in Ahmedabad, India81
- Infrastructure security firms based in Manchester, United Kingdom81
- Infrastructure security firms based in Warsaw, Poland79
- Infrastructure security firms based in Calgary, Canada78
- Infrastructure security firms based in Karachi, Pakistan78
- Infrastructure security firms based in Lagos, Nigeria78
- Infrastructure security firms based in Delhi, India74
- Infrastructure security firms based in Ottawa, Canada73
- Infrastructure security firms based in Tampa, United States72
- Infrastructure security firms based in Barcelona, Spain70
- Infrastructure security firms based in Birmingham, United Kingdom68
- Infrastructure security firms based in Denver, United States67
- Infrastructure security firms based in Auckland, New Zealand66
- Infrastructure security firms based in Belo Horizonte, Brazil66
- Infrastructure security firms based in Brisbane, Australia66
- Infrastructure security firms based in San Francisco, United States65
- Infrastructure security firms based in Bucharest, Romania64
- Infrastructure security firms based in Dhaka, Bangladesh64
- Infrastructure security firms based in Las Vegas, United States64
- Infrastructure security firms based in Milan, Italy63
- Infrastructure security firms based in Doha, Qatar62
- Infrastructure security firms based in Phoenix, United States62
- Infrastructure security firms based in Quito, Ecuador60
- Infrastructure security firms based in Curitiba, Brazil59
- Infrastructure security firms based in San Diego, United States59
- Infrastructure security firms based in Orlando, United States58
- Infrastructure security firms based in Charlotte, United States57
- Infrastructure security firms based in Abu Dhabi, United Arab Emirates56
- Infrastructure security firms based in Vancouver, Canada56
- Infrastructure security firms based in Porto Alegre, Brazil55
- Infrastructure security firms based in Brasilia, Brazil54
- Infrastructure security firms based in Mississauga, Canada53
- Infrastructure security firms based in Munich, Germany53
- Infrastructure security firms based in San Antonio, United States53
- Infrastructure security firms based in Amsterdam, Netherlands49
- Infrastructure security firms based in Dublin, Ireland49
- Infrastructure security firms based in Prague, Czechia48
- Infrastructure security firms based in Tel Aviv, Israel48
- Infrastructure security firms based in Kolkata, India47
- Infrastructure security firms based in Pretoria, South Africa46
- Infrastructure security firms based in Seattle, United States46
- Infrastructure security firms based in Baltimore, United States45
- Infrastructure security firms based in Edmonton, Canada45
- Infrastructure security firms based in Perth, Australia45
- Infrastructure security firms based in Jaipur, India44
- Infrastructure security firms based in Leeds, United Kingdom44
- Infrastructure security firms based in Ankara, Türkiye43
- Infrastructure security firms based in Hamburg, Germany43
- Infrastructure security firms based in Kyiv, Ukraine43
- Infrastructure security firms based in Montevideo, Uruguay42
- Infrastructure security firms based in Boston, United States41
- Infrastructure security firms based in Jakarta, Indonesia40
- Infrastructure security firms based in Frankfurt, Germany39
- Infrastructure security firms based in Indianapolis, United States39
- Infrastructure security firms based in Arlington, United States38
- Infrastructure security firms based in Caracas, Venezuela38
- Infrastructure security firms based in San Jose, United States38
- Infrastructure security firms based in Barueri, Brazil37
- Infrastructure security firms based in Medellin, Colombia37
- Infrastructure security firms based in Athens, Greece36
- Infrastructure security firms based in Columbia, United States36
- Infrastructure security firms based in Kuala Lumpur, Malaysia36
- Infrastructure security firms based in Lyon, France36
- Infrastructure security firms based in Vienna, Austria36
- Infrastructure security firms based in Mclean, United States34
- Infrastructure security firms based in Wilmington, United States34
- Infrastructure security firms based in Bristol, United Kingdom33
- Infrastructure security firms based in Glasgow, United Kingdom33
- Infrastructure security firms based in Nashville, United States33
- Infrastructure security firms based in Oslo, Norway33
- Infrastructure security firms based in Reston, United States33
- Infrastructure security firms based in Alexandria, United States32
- Infrastructure security firms based in Canberra, Australia32
- Infrastructure security firms based in Zurich, Switzerland32
- Infrastructure security firms based in Mexico, Mexico31
- Infrastructure security firms based in Dki Jakarta, Indonesia30
- Infrastructure security firms based in Scottsdale, United States30
- Infrastructure security firms based in Budapest, Hungary29
- Infrastructure security firms based in Cologne, Germany29
- Infrastructure security firms based in Irvine, United States29
- Infrastructure security firms based in Minneapolis, United States29
- Infrastructure security firms based in Panama, Panama29
- Infrastructure security firms based in Thane, India29
- Infrastructure security firms based in Fort Lauderdale, United States28
- Infrastructure security firms based in Huntsville, United States28
- Infrastructure security firms based in Portland, United States28
- Infrastructure security firms based in Richmond, United States28
Questions about this company list
What does Exact match mean for infrastructure security 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 infrastructure security firms did RevenueBase find worldwide?
The saved snapshot records 38,615 matching company records, 1,103,982 tracked contacts and 165,425 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 infrastructure security firms worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/infrastructure-security-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 infrastructure security firms worldwide
RevenueBase records 38,615 matching company records for infrastructure security firms worldwide, with 1,103,982 tracked contacts and 165,425 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 infrastructure security 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 | G4sg4s.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 86,236 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Allied Universalaus.com HQ: Irvine, IL, United StatesReported employees: 10001+ | Irvine, IL, United States | 10001+ | Exact match | 66,203 contacts → |
“Allied Universal®, a leading security and facility services company, provides proactive security services and cutting-edge smart technology to deliver evolving, tailored solutions…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Prosegurprosegur.com HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 46,086 contacts → |
“50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Securitas Security Services Usa, INCsecuritasinc.com HQ: Parsippany, MI, United StatesReported employees: 10001+ | Parsippany, MI, United States | 10001+ | Exact match | 40,551 contacts → |
“Securitas knows Security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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. | |||||
| 6 | Mantechmantech.com HQ: Herndon, VA, United StatesReported employees: 5,001-10,000 | Herndon, VA, United States | 5,001-10,000 | Exact match | 10,193 contacts → |
“About Us: At MANTECH, we believe national security demands more than technology-it requires an unwavering dedication to the mission and the warfighters who defend it.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Gocil Tecnologia EM Segurança E Serviçosgocil.com.br HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 8,791 contacts → |
“One of the largest companies in the professional services and security markets in Brazil.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Securitas Groupsecuritas.com HQ: Stockholm, SwedenReported employees: 10001+ | Stockholm, Sweden | 10001+ | Exact match | 7,033 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | 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. | |||||
| 10 | 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. | |||||
| 11 | TYCOtyco.com HQ: Cork, IrelandReported employees: 10001+ | Cork, Ireland | 10001+ | Exact match | 5,755 contacts → |
“Tyco offers comprehensive security solutions to protect people, facilities, and assets as part of Johnson Controls world leading portfolio of building products, technologies…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Segurprosegurpro.com.br HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 5,254 contacts → |
“A SegurPro é o próximo passo em segurança privada.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Certiscertisgroup.com HQ: SingaporeReported employees: 10001+ | Singapore | 10001+ | Exact match | 5,040 contacts → |
“Certis is a leading advanced integrated security organisation that develops and delivers multi-disciplinary smart security and integrated services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Paladin Security Group LTDpaladinsecurity.com HQ: Burnaby, BC, CanadaReported employees: 10001+ | Burnaby, BC, Canada | 10001+ | Exact match | 4,808 contacts → |
“As one of Canada’s Best Managed Companies, boasting Canada’s 10 Most Admired Corporate Cultures, Paladin is Canada’s leading security company, with services and superior expertise…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Grupo Haganáhagana.com.br HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 4,705 contacts → |
“O que é trabalhar no Grupo Haganá?” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | U.S. Security Associates, INCussecurityassociates.com HQ: Roswell, UT, United StatesReported employees: 10001+ | Roswell, UT, United States | 10001+ | Exact match | 4,263 contacts → |
“U.S.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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. | |||||
| 18 | Unemployedexcelsiordefense.com HQ: St. Petersburg, FL, United StatesReported employees: Not recorded | St. Petersburg, FL, United States | Not recorded | Exact match | 4,040 contacts → |
“Excelsior Defense is a security and investigations company based out of St.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Orange Cyberdefenseorangecyberdefense.com HQ: Nanterre, FranceReported employees: 1,001-5,000 | Nanterre, France | 1,001-5,000 | Exact match | 3,977 contacts → |
“Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Securitas Seguridad Españasecuritas.es HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 3,955 contacts → |
“Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Inter-Con Securityicsecurity.com HQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 3,921 contacts → |
“Everywhere Security Matters™ Inter-Con is one of the largest and fastest-growing physical security and risk management companies in the world.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Fidelity Services Groupfidelity-services.com HQ: South AfricaReported employees: 10001+ | South Africa | 10001+ | Exact match | 3,786 contacts → |
“Fidelity Services Group is Southern Africa’s largest integrated security solutions provider and the industry leader in protection innovation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Bidvest Protea Coinproteacoin.co.za HQ: City Of Tshwane, South AfricaReported employees: 10001+ | City Of Tshwane, South Africa | 10001+ | Exact match | 3,688 contacts → |
“Bidvest Protea Coin is a leading provider of integrated, intelligence driven risk management services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Lidermanliderman.com.pe HQ: Lima, PeruReported employees: 10001+ | Lima, Peru | 10001+ | Exact match | 3,635 contacts → |
“Somos la empresa de seguridad de mayor prestigio en el Perú" Comenzamos en el año 1989, con solo 4 hombres de Seguridad, que creyeron en nuestro estilo de liderazgo y decidieron…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Sicuritalia S.P.Asicuritalia.it HQ: Milan, ItalyReported employees: 10001+ | Milan, Italy | 10001+ | Exact match | 3,593 contacts → |
“Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 38,615 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Infrastructure security 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
38,252 records in the displayed employee bands.
363 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 38,615 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 ↗
Infrastructure security firms by location
218 lists · largest firstEvery Infrastructure security firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Infrastructure security firms based in the United States7,264
- Infrastructure security firms based in the United Kingdom2,978
- Infrastructure security firms based in India2,314
- Infrastructure security firms based in Brazil2,067
- Infrastructure security firms based in France1,718
- Infrastructure security firms based in Germany1,300
- Infrastructure security firms based in Canada1,157
- Infrastructure security firms based in Australia1,059
- Infrastructure security firms based in the Netherlands903
- Infrastructure security firms based in Italy783
- Infrastructure security firms based in South Africa696
- Infrastructure security firms based in Mexico668
- Infrastructure security firms based in Spain612
- Infrastructure security firms based in the United Arab Emirates559
- Infrastructure security firms based in Argentina419
- Infrastructure security firms based in Türkiye385
- Infrastructure security firms based in Colombia378
- Infrastructure security firms based in Chile356
- Infrastructure security firms based in Switzerland335
- Infrastructure security firms based in Belgium316
- Infrastructure security firms based in Sweden294
- Infrastructure security firms based in Poland287
- Infrastructure security firms based in Nigeria267
- Infrastructure security firms based in Peru261
- Infrastructure security firms based in Saudi Arabia259
- Infrastructure security firms based in Pakistan239
- Infrastructure security firms based in Israel199
- Infrastructure security firms based in Singapore198
- Infrastructure security firms based in Kenya191
- Infrastructure security firms based in Indonesia184
- Infrastructure security firms based in Egypt170
- Infrastructure security firms based in Romania158
- Infrastructure security firms based in Malaysia157
- Infrastructure security firms based in Ireland150
- Infrastructure security firms based in New Zealand145
- Infrastructure security firms based in Denmark142
- Infrastructure security firms based in Morocco141
- Infrastructure security firms based in Ecuador138
- Infrastructure security firms based in Portugal138
- Infrastructure security firms based in China131
- Infrastructure security firms based in Czechia120
- Infrastructure security firms based in Austria117
- Infrastructure security firms based in Greece115
- Infrastructure security firms based in the Philippines111
- Infrastructure security firms based in Bangladesh105
- Infrastructure security firms based in Qatar105
- Infrastructure security firms based in Japan89
- Infrastructure security firms based in Norway85
- Infrastructure security firms based in Hungary82
- Infrastructure security firms based in Ukraine77
- Infrastructure security firms based in Finland75
- Infrastructure security firms based in Sri Lanka68
- Infrastructure security firms based in Venezuela67
- Infrastructure security firms based in Russia57
- Infrastructure security firms based in the Dominican Republic55
- Infrastructure security firms based in Costa Rica54
- Infrastructure security firms based in Bulgaria52
- Infrastructure security firms based in Slovakia51
- Infrastructure security firms based in Uruguay50
- Infrastructure security firms based in Serbia46
- Infrastructure security firms based in Lebanon45
- Infrastructure security firms based in Thailand45
- Infrastructure security firms based in Hong Kong44
- Infrastructure security firms based in Zimbabwe44
- Infrastructure security firms based in Luxembourg40
- Infrastructure security firms based in Panama40
- Infrastructure security firms based in Croatia37
- Infrastructure security firms based in Cyprus37
- Infrastructure security firms based in Jordan37
- Infrastructure security firms based in Estonia35
- Infrastructure security firms based in Kuwait28
Cities
- Infrastructure security firms based in London, United Kingdom794
- Infrastructure security firms based in Sao Paulo, Brazil505
- Infrastructure security firms based in Dubai, United Arab Emirates321
- Infrastructure security firms based in Paris, France253
- Infrastructure security firms based in Bangalore, India244
- Infrastructure security firms based in New York, United States222
- Infrastructure security firms based in Toronto, Canada189
- Infrastructure security firms based in New Delhi, India179
- Infrastructure security firms based in Singapore, Singapore175
- Infrastructure security firms based in Mumbai, India168
- Infrastructure security firms based in Houston, United States160
- Infrastructure security firms based in Melbourne, Australia157
- Infrastructure security firms based in Pune, India157
- Infrastructure security firms based in Hyderabad, India153
- Infrastructure security firms based in Nairobi, Kenya153
- Infrastructure security firms based in Sydney, Australia145
- Infrastructure security firms based in Riyadh, Saudi Arabia144
- Infrastructure security firms based in Bogota, Colombia134
- Infrastructure security firms based in Johannesburg, South Africa133
- Infrastructure security firms based in Rio De Janeiro, Brazil133
- Infrastructure security firms based in Los Angeles, United States130
- Infrastructure security firms based in Buenos Aires, Argentina129
- Infrastructure security firms based in Madrid, Spain128
- Infrastructure security firms based in Istanbul, Türkiye127
- Infrastructure security firms based in Mexico City, Mexico126
- Infrastructure security firms based in Chennai, India112
- Infrastructure security firms based in Miami, United States111
- Infrastructure security firms based in Berlin, Germany109
- Infrastructure security firms based in Stockholm, Sweden106
- Infrastructure security firms based in Atlanta, United States103
- Infrastructure security firms based in Santiago, Chile103
- Infrastructure security firms based in Lima, Peru102
- Infrastructure security firms based in Dallas, United States101
- Infrastructure security firms based in Noida, India100
- Infrastructure security firms based in Rome, Italy98
- Infrastructure security firms based in Chicago, United States95
- Infrastructure security firms based in Austin, United States93
- Infrastructure security firms based in Cairo, Egypt89
- Infrastructure security firms based in Gurgaon, India86
- Infrastructure security firms based in Montreal, Canada86
- Infrastructure security firms based in Washington, United States85
- Infrastructure security firms based in Cape Town, South Africa82
- Infrastructure security firms based in Ahmedabad, India81
- Infrastructure security firms based in Manchester, United Kingdom81
- Infrastructure security firms based in Warsaw, Poland79
- Infrastructure security firms based in Calgary, Canada78
- Infrastructure security firms based in Karachi, Pakistan78
- Infrastructure security firms based in Lagos, Nigeria78
- Infrastructure security firms based in Delhi, India74
- Infrastructure security firms based in Ottawa, Canada73
- Infrastructure security firms based in Tampa, United States72
- Infrastructure security firms based in Barcelona, Spain70
- Infrastructure security firms based in Birmingham, United Kingdom68
- Infrastructure security firms based in Denver, United States67
- Infrastructure security firms based in Auckland, New Zealand66
- Infrastructure security firms based in Belo Horizonte, Brazil66
- Infrastructure security firms based in Brisbane, Australia66
- Infrastructure security firms based in San Francisco, United States65
- Infrastructure security firms based in Bucharest, Romania64
- Infrastructure security firms based in Dhaka, Bangladesh64
- Infrastructure security firms based in Las Vegas, United States64
- Infrastructure security firms based in Milan, Italy63
- Infrastructure security firms based in Doha, Qatar62
- Infrastructure security firms based in Phoenix, United States62
- Infrastructure security firms based in Quito, Ecuador60
- Infrastructure security firms based in Curitiba, Brazil59
- Infrastructure security firms based in San Diego, United States59
- Infrastructure security firms based in Orlando, United States58
- Infrastructure security firms based in Charlotte, United States57
- Infrastructure security firms based in Abu Dhabi, United Arab Emirates56
- Infrastructure security firms based in Vancouver, Canada56
- Infrastructure security firms based in Porto Alegre, Brazil55
- Infrastructure security firms based in Brasilia, Brazil54
- Infrastructure security firms based in Mississauga, Canada53
- Infrastructure security firms based in Munich, Germany53
- Infrastructure security firms based in San Antonio, United States53
- Infrastructure security firms based in Amsterdam, Netherlands49
- Infrastructure security firms based in Dublin, Ireland49
- Infrastructure security firms based in Prague, Czechia48
- Infrastructure security firms based in Tel Aviv, Israel48
- Infrastructure security firms based in Kolkata, India47
- Infrastructure security firms based in Pretoria, South Africa46
- Infrastructure security firms based in Seattle, United States46
- Infrastructure security firms based in Baltimore, United States45
- Infrastructure security firms based in Edmonton, Canada45
- Infrastructure security firms based in Perth, Australia45
- Infrastructure security firms based in Jaipur, India44
- Infrastructure security firms based in Leeds, United Kingdom44
- Infrastructure security firms based in Ankara, Türkiye43
- Infrastructure security firms based in Hamburg, Germany43
- Infrastructure security firms based in Kyiv, Ukraine43
- Infrastructure security firms based in Montevideo, Uruguay42
- Infrastructure security firms based in Boston, United States41
- Infrastructure security firms based in Jakarta, Indonesia40
- Infrastructure security firms based in Frankfurt, Germany39
- Infrastructure security firms based in Indianapolis, United States39
- Infrastructure security firms based in Arlington, United States38
- Infrastructure security firms based in Caracas, Venezuela38
- Infrastructure security firms based in San Jose, United States38
- Infrastructure security firms based in Barueri, Brazil37
- Infrastructure security firms based in Medellin, Colombia37
- Infrastructure security firms based in Athens, Greece36
- Infrastructure security firms based in Columbia, United States36
- Infrastructure security firms based in Kuala Lumpur, Malaysia36
- Infrastructure security firms based in Lyon, France36
- Infrastructure security firms based in Vienna, Austria36
- Infrastructure security firms based in Mclean, United States34
- Infrastructure security firms based in Wilmington, United States34
- Infrastructure security firms based in Bristol, United Kingdom33
- Infrastructure security firms based in Glasgow, United Kingdom33
- Infrastructure security firms based in Nashville, United States33
- Infrastructure security firms based in Oslo, Norway33
- Infrastructure security firms based in Reston, United States33
- Infrastructure security firms based in Alexandria, United States32
- Infrastructure security firms based in Canberra, Australia32
- Infrastructure security firms based in Zurich, Switzerland32
- Infrastructure security firms based in Mexico, Mexico31
- Infrastructure security firms based in Dki Jakarta, Indonesia30
- Infrastructure security firms based in Scottsdale, United States30
- Infrastructure security firms based in Budapest, Hungary29
- Infrastructure security firms based in Cologne, Germany29
- Infrastructure security firms based in Irvine, United States29
- Infrastructure security firms based in Minneapolis, United States29
- Infrastructure security firms based in Panama, Panama29
- Infrastructure security firms based in Thane, India29
- Infrastructure security firms based in Fort Lauderdale, United States28
- Infrastructure security firms based in Huntsville, United States28
- Infrastructure security firms based in Portland, United States28
- Infrastructure security firms based in Richmond, United States28
Questions about this company list
What does Exact match mean for infrastructure security 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 infrastructure security firms did RevenueBase find worldwide?
The saved snapshot records 38,615 matching company records, 1,103,982 tracked contacts and 165,425 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.
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Cite this list
RevenueBase Data Team. Top 25 infrastructure security firms worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/infrastructure-security-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗