Company lists · Data refreshed November 2026
Top 25 Border security contractors worldwide
RevenueBase identified 4,999 company matches for border security contractors worldwide as of November 2026 and tracks 536,224 professional contacts across them, including 39,375 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for border security contractors 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 border security contractors 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 border security contractors 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 | 20,334 contacts → | ||||
Exact match “CACI International Inc (NYSE: CACI) is a technology-first national security company that expands the limits of national security through innovation, discipline, and operational…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 11,210 contacts → | ||||
Exact match “At Peraton, we're at the forefront of delivering the next big thing every day.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 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 | |||||
| 8 | 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 | |||||
| 9 | 7,033 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 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 | |||||
| 11 | 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 | |||||
| 12 | 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 | |||||
| 13 | 4,263 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 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 | |||||
| 15 | 3,053 contacts → | ||||
Exact match “Securitas is a global knowledge leader in security.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 2,635 contacts → | ||||
Exact match “A Orsegups atua desde 1977 na prestação de serviços de segurança e terceirização de serviços especializados.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 2,393 contacts → | ||||
Exact match “Andy Frain Services.America's leading provider of integrated solutions to security and events needs for over 90 years.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 2,369 contacts → | ||||
Exact match “Com mais de 8 mil colaboradores, presente em 11 estados, vencedora do Prêmio Valor Carreira por sete vezes consecutivas, certificada pela GPTW e única empresa brasileira membro do…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 2,182 contacts → | ||||
Exact match “The MSS Security Group (MSS) comprising MSS Security, MSS Strategic Medical & Rescue and SDS is unrivalled in its experience, capability and reputation.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 2,103 contacts → | ||||
Exact match “Elke dag zetten onze collega’s zich in voor jouw veiligheid en die van iedereen om jou heen, zodat jij je veilig voelt en veilig bent.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 1,967 contacts → | ||||
Exact match “Border Security Force is a human resources company based out of Block No-10,Cgo Cplx, Lodhi Road, New Delhi, Delhi, India.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 1,964 contacts → | ||||
Exact match “At Wilson Security, we are committed to building a safer future for everyone.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 1,928 contacts → | ||||
Exact match “Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 1,872 contacts → | ||||
Exact match “Whelan’s commitment to quality and service has made us one of the foremost respected, successful and fastest growing companies in the industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 1,645 contacts → | ||||
Exact match “Securitas es reconocida como una multinacional líder mundial en seguridad.” 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 “border security contractors”. 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 4,999 border security contractors worldwide
See the full list, filter by size, metro and specialty, and access 39,375 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Border security contractors 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 border security contractors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “border security contractors” 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 39,375 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.
Border security contractors by location
24 lists · largest firstEvery Border security contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Border security contractors based in the United States1,120
- Border security contractors based in Brazil291
- Border security contractors based in the United Kingdom208
- Border security contractors based in India200
- Border security contractors based in France196
- Border security contractors based in Canada172
- Border security contractors based in Australia155
- Border security contractors based in Mexico149
- Border security contractors based in Germany143
- Border security contractors based in South Africa116
- Border security contractors based in Colombia106
- Border security contractors based in Argentina95
- Border security contractors based in Italy91
- Border security contractors based in Spain91
- Border security contractors based in the Netherlands87
- Border security contractors based in Chile65
- Border security contractors based in the United Arab Emirates49
- Border security contractors based in Switzerland36
- Border security contractors based in Saudi Arabia29
- Border security contractors based in Qatar25
Cities
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 “border security contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many border security contractors are there worldwide?
RevenueBase identified 4,999 company matches for border security contractors 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 border security contractors?
The United States leads with 1,120 companies, followed by Brazil (291) and the United Kingdom (208). Every border security contractors list by country and city is linked on this page.
Which city has the most border security contractors?
London leads with 71 company records, followed by Sao Paulo (64) and Bogota (35).
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 39,375 professional contacts with verified work emails tracked across these 4,999 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 4,999 border security contractors 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 border security contractors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 4,999 matching company records for border security contractors worldwide, with 536,224 tracked contacts and 39,375 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 border security contractors 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 |  Caci International INCcaci.comHQ: Reston, VA, United StatesReported employees: 10001+ | Reston, VA, United States | 10001+ | Exact match | 20,334 contacts → |
“CACI International Inc (NYSE: CACI) is a technology-first national security company that expands the limits of national security through innovation, discipline, and operational…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Peratonperaton.comHQ: Reston, MD, United StatesReported employees: 10001+ | Reston, MD, United States | 10001+ | Exact match | 11,210 contacts → |
“At Peraton, we're at the forefront of delivering the next big thing every day.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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. | |||||
| 8 |  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. | |||||
| 9 |  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. | |||||
| 10 |  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. | |||||
| 11 |  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. | |||||
| 12 |  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. | |||||
| 13 |  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. | |||||
| 14 |  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. | |||||
| 15 |  Securitas Sverige ABsecuritas.seHQ: Stockholm, SwedenReported employees: 5,001-10,000 | Stockholm, Sweden | 5,001-10,000 | Exact match | 3,053 contacts → |
“Securitas is a global knowledge leader in security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Orsegups Participações S Aorsegups.com.brHQ: São José, BrazilReported employees: 5,001-10,000 | São José, Brazil | 5,001-10,000 | Exact match | 2,635 contacts → |
“A Orsegups atua desde 1977 na prestação de serviços de segurança e terceirização de serviços especializados.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Andy Frain Servicesandyfrain.comHQ: Aurora, IL, United StatesReported employees: 5,001-10,000 | Aurora, IL, United States | 5,001-10,000 | Exact match | 2,393 contacts → |
“Andy Frain Services.America's leading provider of integrated solutions to security and events needs for over 90 years.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Security Segurança E Serviçossousecurity.com.brHQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 2,369 contacts → |
“Com mais de 8 mil colaboradores, presente em 11 estados, vencedora do Prêmio Valor Carreira por sete vezes consecutivas, certificada pela GPTW e única empresa brasileira membro do…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  MSS Securitymsssecurity.com.auHQ: Parramatta, AustraliaReported employees: 5,001-10,000 | Parramatta, Australia | 5,001-10,000 | Exact match | 2,182 contacts → |
“The MSS Security Group (MSS) comprising MSS Security, MSS Strategic Medical & Rescue and SDS is unrivalled in its experience, capability and reputation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Trigiontrigion.nlHQ: Schiedam, NetherlandsReported employees: 5,001-10,000 | Schiedam, Netherlands | 5,001-10,000 | Exact match | 2,103 contacts → |
“Elke dag zetten onze collega’s zich in voor jouw veiligheid en die van iedereen om jou heen, zodat jij je veilig voelt en veilig bent.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Border Security Forcebsf.nic.inHQ: New Delhi, IndiaReported employees: 501-1,000 | New Delhi, India | 501-1,000 | Exact match | 1,967 contacts → |
“Border Security Force is a human resources company based out of Block No-10,Cgo Cplx, Lodhi Road, New Delhi, Delhi, India.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Wilson Securitywilsonsecurity.com.auHQ: Essendon Fields, AustraliaReported employees: 5,001-10,000 | Essendon Fields, Australia | 5,001-10,000 | Exact match | 1,964 contacts → |
“At Wilson Security, we are committed to building a safer future for everyone.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Paragon Systems INCparasys.comHQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,928 contacts → |
“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Whelan Securitywhelansecurity.comHQ: St. Louis, KY, United StatesReported employees: 5,001-10,000 | St. Louis, KY, United States | 5,001-10,000 | Exact match | 1,872 contacts → |
“Whelan’s commitment to quality and service has made us one of the foremost respected, successful and fastest growing companies in the industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Securitas Colombiasecuritas.com.coHQ: Bogota, ColombiaReported employees: 5,001-10,000 | Bogota, Colombia | 5,001-10,000 | Exact match | 1,645 contacts → |
“Securitas es reconocida como una multinacional líder mundial en seguridad.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 4,999 company matches
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Border security contractors: 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
4,952 records in the displayed employee bands.
47 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 4,999 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 ↗
Border security contractors by location
24 lists · largest firstEvery Border security contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Border security contractors based in the United States1,120
- Border security contractors based in Brazil291
- Border security contractors based in the United Kingdom208
- Border security contractors based in India200
- Border security contractors based in France196
- Border security contractors based in Canada172
- Border security contractors based in Australia155
- Border security contractors based in Mexico149
- Border security contractors based in Germany143
- Border security contractors based in South Africa116
- Border security contractors based in Colombia106
- Border security contractors based in Argentina95
- Border security contractors based in Italy91
- Border security contractors based in Spain91
- Border security contractors based in the Netherlands87
- Border security contractors based in Chile65
- Border security contractors based in the United Arab Emirates49
- Border security contractors based in Switzerland36
- Border security contractors based in Saudi Arabia29
- Border security contractors based in Qatar25
Cities
Questions about this company list
What does Exact match mean for border security contractors?
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 border security contractors did RevenueBase find worldwide?
The saved snapshot records 4,999 matching company records, 536,224 tracked contacts and 39,375 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
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Cite this list
RevenueBase Data Team. Top 25 border security contractors worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/border-security-contractors.
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 border security contractors worldwide
RevenueBase records 4,999 matching company records for border security contractors worldwide, with 536,224 tracked contacts and 39,375 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 border security contractors 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 | Caci International INCcaci.com HQ: Reston, VA, United StatesReported employees: 10001+ | Reston, VA, United States | 10001+ | Exact match | 20,334 contacts → |
“CACI International Inc (NYSE: CACI) is a technology-first national security company that expands the limits of national security through innovation, discipline, and operational…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Peratonperaton.com HQ: Reston, MD, United StatesReported employees: 10001+ | Reston, MD, United States | 10001+ | Exact match | 11,210 contacts → |
“At Peraton, we're at the forefront of delivering the next big thing every day.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | 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. | |||||
| 11 | 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. | |||||
| 12 | 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. | |||||
| 13 | 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. | |||||
| 14 | 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. | |||||
| 15 | Securitas Sverige ABsecuritas.se HQ: Stockholm, SwedenReported employees: 5,001-10,000 | Stockholm, Sweden | 5,001-10,000 | Exact match | 3,053 contacts → |
“Securitas is a global knowledge leader in security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Orsegups Participações S Aorsegups.com.br HQ: São José, BrazilReported employees: 5,001-10,000 | São José, Brazil | 5,001-10,000 | Exact match | 2,635 contacts → |
“A Orsegups atua desde 1977 na prestação de serviços de segurança e terceirização de serviços especializados.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Andy Frain Servicesandyfrain.com HQ: Aurora, IL, United StatesReported employees: 5,001-10,000 | Aurora, IL, United States | 5,001-10,000 | Exact match | 2,393 contacts → |
“Andy Frain Services.America's leading provider of integrated solutions to security and events needs for over 90 years.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Security Segurança E Serviçossousecurity.com.br HQ: São Paulo, BrazilReported employees: 5,001-10,000 | São Paulo, Brazil | 5,001-10,000 | Exact match | 2,369 contacts → |
“Com mais de 8 mil colaboradores, presente em 11 estados, vencedora do Prêmio Valor Carreira por sete vezes consecutivas, certificada pela GPTW e única empresa brasileira membro do…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | MSS Securitymsssecurity.com.au HQ: Parramatta, AustraliaReported employees: 5,001-10,000 | Parramatta, Australia | 5,001-10,000 | Exact match | 2,182 contacts → |
“The MSS Security Group (MSS) comprising MSS Security, MSS Strategic Medical & Rescue and SDS is unrivalled in its experience, capability and reputation.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Trigiontrigion.nl HQ: Schiedam, NetherlandsReported employees: 5,001-10,000 | Schiedam, Netherlands | 5,001-10,000 | Exact match | 2,103 contacts → |
“Elke dag zetten onze collega’s zich in voor jouw veiligheid en die van iedereen om jou heen, zodat jij je veilig voelt en veilig bent.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Border Security Forcebsf.nic.in HQ: New Delhi, IndiaReported employees: 501-1,000 | New Delhi, India | 501-1,000 | Exact match | 1,967 contacts → |
“Border Security Force is a human resources company based out of Block No-10,Cgo Cplx, Lodhi Road, New Delhi, Delhi, India.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Wilson Securitywilsonsecurity.com.au HQ: Essendon Fields, AustraliaReported employees: 5,001-10,000 | Essendon Fields, Australia | 5,001-10,000 | Exact match | 1,964 contacts → |
“At Wilson Security, we are committed to building a safer future for everyone.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Paragon Systems INCparasys.com HQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,928 contacts → |
“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Whelan Securitywhelansecurity.com HQ: St. Louis, KY, United StatesReported employees: 5,001-10,000 | St. Louis, KY, United States | 5,001-10,000 | Exact match | 1,872 contacts → |
“Whelan’s commitment to quality and service has made us one of the foremost respected, successful and fastest growing companies in the industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Securitas Colombiasecuritas.com.co HQ: Bogota, ColombiaReported employees: 5,001-10,000 | Bogota, Colombia | 5,001-10,000 | Exact match | 1,645 contacts → |
“Securitas es reconocida como una multinacional líder mundial en seguridad.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Border security contractors: 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
4,952 records in the displayed employee bands.
47 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 4,999 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 ↗
Border security contractors by location
24 lists · largest firstEvery Border security contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Border security contractors based in the United States1,120
- Border security contractors based in Brazil291
- Border security contractors based in the United Kingdom208
- Border security contractors based in India200
- Border security contractors based in France196
- Border security contractors based in Canada172
- Border security contractors based in Australia155
- Border security contractors based in Mexico149
- Border security contractors based in Germany143
- Border security contractors based in South Africa116
- Border security contractors based in Colombia106
- Border security contractors based in Argentina95
- Border security contractors based in Italy91
- Border security contractors based in Spain91
- Border security contractors based in the Netherlands87
- Border security contractors based in Chile65
- Border security contractors based in the United Arab Emirates49
- Border security contractors based in Switzerland36
- Border security contractors based in Saudi Arabia29
- Border security contractors based in Qatar25
Cities
Questions about this company list
What does Exact match mean for border security contractors?
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 border security contractors did RevenueBase find worldwide?
The saved snapshot records 4,999 matching company records, 536,224 tracked contacts and 39,375 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
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Cite this list
RevenueBase Data Team. Top 25 border security contractors worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/border-security-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗