Company lists · Data refreshed October 2026
Top 25 Critical infrastructure protection contractors worldwide
RevenueBase identified 5,368 company matches for critical infrastructure protection contractors worldwide as of October 2026 and tracks 109,343 professional contacts across them, including 26,269 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for critical infrastructure protection 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 October 10, 2026. Country and city lists for critical infrastructure protection 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 critical infrastructure protection contractors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,933 contacts → | ||||
Exact match “Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 2 | 5,878 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 3 | 3,431 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 4 | 2,143 contacts → | ||||
Exact match “Crisis24, a GardaWorld company, is widely regarded as the leading integrated risk management, crisis response, consulting, and global protective solutions firm, serving the…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 5 | 2,128 contacts → | ||||
Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 6 | 1,806 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 7 | 1,525 contacts → | ||||
Exact match “Welcome to Securiguard Middle East, Your answer for an Integrated Safety and Security Solutions in the UAE At Securiguard Middle East, we are driven by a commitment to make a…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 8 | 1,520 contacts → | ||||
Exact match “ICTS Europe is Europe’s leading security specialist.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 9 | 1,482 contacts → | ||||
Exact match “With offices in the UK and Australia, Frazer-Nash is a leading systems, engineering and technology company.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 10 | 1,481 contacts → | ||||
Exact match “Airbus Protect is an Airbus subsidiary bringing together expertise in cybersecurity, safety and sustainability-related services.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 11 | 1,360 contacts → | ||||
Exact match “First Security Group LLC was founded in 2004 with the vision of His Highness, the Vice President, Prime Minister, and Ruler of Dubai, Sheikh Mohamed bin Rashid Al Maktoum.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 12 | 1,189 contacts → | ||||
Exact match “IEM is a professional services firm dedicated to building a safe, secure, and resilient world.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 13 | 1,080 contacts → | ||||
Exact match “A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 14 | 1,042 contacts → | ||||
Exact match “Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 15 | 895 contacts → | ||||
Exact match “ABSG Consulting Inc.(ABS Consulting) is part of ABS Group of Companies, a global leader in safety and risk management for critical infrastructure worldwide and a wholly owned…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 16 | 831 contacts → | ||||
Exact match “Omega Risk Solutions offers advanced, integrated security solutions based on a thorough understanding of its clients’ requirements in order to present them with innovative and…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 17 | 821 contacts → | ||||
Exact match “Securitas AS er det største og eldste sikkerhetsselskapet i Norge.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 18 | 639 contacts → | ||||
Exact match “Halogen Group formerly known as Halogen Security Company Limited is the leading Security Solutions Provider in West Africa.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 19 | 634 contacts → | ||||
Exact match “Securitas es el principal socio de servicios de protección inteligente del mundo.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 20 | 580 contacts → | ||||
Exact match “Raycap is a privately-held technology solutions provider offering products and services that support and protect the world’s critical telecommunications, energy, transportation…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 21 | 574 contacts → | ||||
Exact match “Security Alliance is a highly experienced provider of security solutions for private and business environments.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 22 | 565 contacts → | ||||
Exact match “Allied Universal Enhanced Protection Services delivers unrivaled threat mitigation expertise for government and business entities worldwide.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 23 | 555 contacts → | ||||
Exact match “Since 1987, Tech Systems, Inc.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 24 | 548 contacts → | ||||
Exact match “Byblos Group est un groupe indépendant spécialisé dans la protection des personnes, des biens et des données, avec une approche sur mesure, fondée sur l’excellence opérationnelle…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 25 | 531 contacts → | ||||
Exact match “Founded in 1923, SNP is one of Australia’s leading security services providers with over 2,500 employees nationwide.” Recorded in the RevenueBase company graph · Oct 10, 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 “critical infrastructure protection 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 5,368 critical infrastructure protection contractors worldwide
See the full list, filter by size, metro and specialty, and access 26,269 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Critical infrastructure protection contractors worldwide at a glance
As of Oct 10, 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 critical infrastructure protection contractors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “critical infrastructure protection 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 26,269 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 10, 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.
Critical infrastructure protection contractors by location
34 lists · largest firstEvery Critical infrastructure protection contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure protection contractors based in the United States1,328
- Critical infrastructure protection contractors based in the United Kingdom275
- Critical infrastructure protection contractors based in France221
- Critical infrastructure protection contractors based in Brazil199
- Critical infrastructure protection contractors based in Germany157
- Critical infrastructure protection contractors based in India157
- Critical infrastructure protection contractors based in Australia155
- Critical infrastructure protection contractors based in Canada143
- Critical infrastructure protection contractors based in Mexico126
- Critical infrastructure protection contractors based in Italy103
- Critical infrastructure protection contractors based in Spain85
- Critical infrastructure protection contractors based in the United Arab Emirates85
- Critical infrastructure protection contractors based in the Netherlands73
- Critical infrastructure protection contractors based in Sweden71
- Critical infrastructure protection contractors based in Colombia66
- Critical infrastructure protection contractors based in Switzerland61
- Critical infrastructure protection contractors based in Chile57
- Critical infrastructure protection contractors based in Israel57
- Critical infrastructure protection contractors based in South Africa55
- Critical infrastructure protection contractors based in Türkiye50
- Critical infrastructure protection contractors based in Saudi Arabia40
- Critical infrastructure protection contractors based in Belgium34
- Critical infrastructure protection contractors based in Nigeria34
- Critical infrastructure protection contractors based in Poland29
Cities
- Critical infrastructure protection contractors based in London, United Kingdom93
- Critical infrastructure protection contractors based in Sao Paulo, Brazil67
- Critical infrastructure protection contractors based in Paris, France58
- Critical infrastructure protection contractors based in Dubai, United Arab Emirates40
- Critical infrastructure protection contractors based in New York, United States37
- Critical infrastructure protection contractors based in Washington, United States36
- Critical infrastructure protection contractors based in Houston, United States35
- Critical infrastructure protection contractors based in Toronto, Canada32
- Critical infrastructure protection contractors based in Stockholm, Sweden31
- Critical infrastructure protection contractors based in Melbourne, Australia27
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 “critical infrastructure protection contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many critical infrastructure protection contractors are there worldwide?
RevenueBase identified 5,368 company matches for critical infrastructure protection contractors worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
AMEY tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most critical infrastructure protection contractors?
The United States leads with 1,328 companies, followed by the United Kingdom (275) and France (221). Every critical infrastructure protection contractors list by country and city is linked on this page.
Which city has the most critical infrastructure protection contractors?
London leads with 93 company records, followed by Sao Paulo (67) and Paris (58).
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 26,269 professional contacts with verified work emails tracked across these 5,368 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 10, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 critical infrastructure protection 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 5,368 matching company records for critical infrastructure protection contractors worldwide, with 109,343 tracked contacts and 26,269 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 10, 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 critical infrastructure protection 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 |  AMEYamey.co.ukHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 6,933 contacts → |
“Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Convergintconvergint.comHQ: Hoffman Estates, IL, United StatesReported employees: 10001+ | Hoffman Estates, IL, United States | 10001+ | Exact match | 5,878 contacts → |
“Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Sicuritalia S.P.Asicuritalia.itHQ: Milan, ItalyReported employees: 10001+ | Milan, Italy | 10001+ | Exact match | 3,431 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 · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Crisis24crisis24.comHQ: Annapolis, MD, United StatesReported employees: 1,001-5,000 | Annapolis, MD, United States | 1,001-5,000 | Exact match | 2,143 contacts → |
“Crisis24, a GardaWorld company, is widely regarded as the leading integrated risk management, crisis response, consulting, and global protective solutions firm, serving the…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  OPTIVoptiv.comHQ: Leawood, KS, United StatesReported employees: 1,001-5,000 | Leawood, KS, United States | 1,001-5,000 | Exact match | 2,128 contacts → |
“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Paragon Systems INCparasys.comHQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,806 contacts → |
“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Securiguard Middle East LLCsecuriguard.aeHQ: Abu Dhabi, United Arab EmiratesReported employees: 10001+ | Abu Dhabi, United Arab Emirates | 10001+ | Exact match | 1,525 contacts → |
“Welcome to Securiguard Middle East, Your answer for an Integrated Safety and Security Solutions in the UAE At Securiguard Middle East, we are driven by a commitment to make a…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Icts Europeictseurope.comHQ: Bp12936, FranceReported employees: 10001+ | Bp12936, France | 10001+ | Exact match | 1,520 contacts → |
“ICTS Europe is Europe’s leading security specialist.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Frazer-Nash Consultancyfnc.co.ukHQ: Leatherhead, United KingdomReported employees: 1,001-5,000 | Leatherhead, United Kingdom | 1,001-5,000 | Exact match | 1,482 contacts → |
“With offices in the UK and Australia, Frazer-Nash is a leading systems, engineering and technology company.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Airbus Protectprotect.airbus.comHQ: Blagnac, FranceReported employees: 1,001-5,000 | Blagnac, France | 1,001-5,000 | Exact match | 1,481 contacts → |
“Airbus Protect is an Airbus subsidiary bringing together expertise in cybersecurity, safety and sustainability-related services.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  First Security Group LLCfirstsg.comHQ: Dubai, United Arab EmiratesReported employees: 5,001-10,000 | Dubai, United Arab Emirates | 5,001-10,000 | Exact match | 1,360 contacts → |
“First Security Group LLC was founded in 2004 with the vision of His Highness, the Vice President, Prime Minister, and Ruler of Dubai, Sheikh Mohamed bin Rashid Al Maktoum.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  IEMiem.comHQ: Morrisville, NC, United StatesReported employees: 501-1,000 | Morrisville, NC, United States | 501-1,000 | Exact match | 1,189 contacts → |
“IEM is a professional services firm dedicated to building a safe, secure, and resilient world.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Seguritechseguritech.comHQ: Mexico City, MexicoReported employees: 1,001-5,000 | Mexico City, Mexico | 1,001-5,000 | Exact match | 1,080 contacts → |
“A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Brosnan Risk Consultantsbrosnanrisk.comHQ: Pearl River, NY, United StatesReported employees: 5,001-10,000 | Pearl River, NY, United States | 5,001-10,000 | Exact match | 1,042 contacts → |
“Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  ABS Consultingabs-group.comHQ: Spring, TX, United StatesReported employees: 1,001-5,000 | Spring, TX, United States | 1,001-5,000 | Exact match | 895 contacts → |
“ABSG Consulting Inc.(ABS Consulting) is part of ABS Group of Companies, a global leader in safety and risk management for critical infrastructure worldwide and a wholly owned…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Omega Risk Solutionsomegasol.com HQ: Grand Baie, MauritiusReported employees: 5,001-10,000 | Grand Baie, Mauritius | 5,001-10,000 | Exact match | 831 contacts → |
“Omega Risk Solutions offers advanced, integrated security solutions based on a thorough understanding of its clients’ requirements in order to present them with innovative and…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Securitas Norgesecuritas.noHQ: Oslo, NorwayReported employees: 5,001-10,000 | Oslo, Norway | 5,001-10,000 | Exact match | 821 contacts → |
“Securitas AS er det største og eldste sikkerhetsselskapet i Norge.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Halogen Grouphalogen-group.comHQ: Lagos, NigeriaReported employees: 501-1,000 | Lagos, Nigeria | 501-1,000 | Exact match | 639 contacts → |
“Halogen Group formerly known as Halogen Security Company Limited is the leading Security Solutions Provider in West Africa.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Securitas Uruguaysecuritasuruguay.comHQ: Montevideo, UruguayReported employees: 1,001-5,000 | Montevideo, Uruguay | 1,001-5,000 | Exact match | 634 contacts → |
“Securitas es el principal socio de servicios de protección inteligente del mundo.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Raycapraycap.comHQ: Post Falls, ID, United StatesReported employees: 1,001-5,000 | Post Falls, ID, United States | 1,001-5,000 | Exact match | 580 contacts → |
“Raycap is a privately-held technology solutions provider offering products and services that support and protect the world’s critical telecommunications, energy, transportation…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Security Alliancesecurityalliancegroup.comHQ: Miami, FL, United StatesReported employees: 1,001-5,000 | Miami, FL, United States | 1,001-5,000 | Exact match | 574 contacts → |
“Security Alliance is a highly experienced provider of security solutions for private and business environments.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  MSA Securityaus.comHQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 565 contacts → |
“Allied Universal Enhanced Protection Services delivers unrivaled threat mitigation expertise for government and business entities worldwide.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Tech Systems Inc. TSItechsystemsinc.comHQ: Buford, GA, IndiaReported employees: 501-1,000 | Buford, GA, India | 501-1,000 | Exact match | 555 contacts → |
“Since 1987, Tech Systems, Inc.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Byblos Groupbyblos-group-holding.comHQ: Lissieu, FranceReported employees: 1,001-5,000 | Lissieu, France | 1,001-5,000 | Exact match | 548 contacts → |
“Byblos Group est un groupe indépendant spécialisé dans la protection des personnes, des biens et des données, avec une approche sur mesure, fondée sur l’excellence opérationnelle…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  SNP Securitysnpsecurity.com.auHQ: West Ryde, AustraliaReported employees: 1,001-5,000 | West Ryde, Australia | 1,001-5,000 | Exact match | 531 contacts → |
“Founded in 1923, SNP is one of Australia’s leading security services providers with over 2,500 employees nationwide.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,368 company matches
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Critical infrastructure protection contractors: dataset insights
October 10, 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
5,361 records in the displayed employee bands.
7 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 5,368 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 10, 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 ↗
Critical infrastructure protection contractors by location
34 lists · largest firstEvery Critical infrastructure protection contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure protection contractors based in the United States1,328
- Critical infrastructure protection contractors based in the United Kingdom275
- Critical infrastructure protection contractors based in France221
- Critical infrastructure protection contractors based in Brazil199
- Critical infrastructure protection contractors based in Germany157
- Critical infrastructure protection contractors based in India157
- Critical infrastructure protection contractors based in Australia155
- Critical infrastructure protection contractors based in Canada143
- Critical infrastructure protection contractors based in Mexico126
- Critical infrastructure protection contractors based in Italy103
- Critical infrastructure protection contractors based in Spain85
- Critical infrastructure protection contractors based in the United Arab Emirates85
- Critical infrastructure protection contractors based in the Netherlands73
- Critical infrastructure protection contractors based in Sweden71
- Critical infrastructure protection contractors based in Colombia66
- Critical infrastructure protection contractors based in Switzerland61
- Critical infrastructure protection contractors based in Chile57
- Critical infrastructure protection contractors based in Israel57
- Critical infrastructure protection contractors based in South Africa55
- Critical infrastructure protection contractors based in Türkiye50
- Critical infrastructure protection contractors based in Saudi Arabia40
- Critical infrastructure protection contractors based in Belgium34
- Critical infrastructure protection contractors based in Nigeria34
- Critical infrastructure protection contractors based in Poland29
Cities
- Critical infrastructure protection contractors based in London, United Kingdom93
- Critical infrastructure protection contractors based in Sao Paulo, Brazil67
- Critical infrastructure protection contractors based in Paris, France58
- Critical infrastructure protection contractors based in Dubai, United Arab Emirates40
- Critical infrastructure protection contractors based in New York, United States37
- Critical infrastructure protection contractors based in Washington, United States36
- Critical infrastructure protection contractors based in Houston, United States35
- Critical infrastructure protection contractors based in Toronto, Canada32
- Critical infrastructure protection contractors based in Stockholm, Sweden31
- Critical infrastructure protection contractors based in Melbourne, Australia27
Questions about this company list
What does Exact match mean for critical infrastructure protection 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 critical infrastructure protection contractors did RevenueBase find worldwide?
The saved snapshot records 5,368 matching company records, 109,343 tracked contacts and 26,269 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 10, 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 critical infrastructure protection contractors worldwide. Snapshot: October 10, 2026. https://revenuebase.ai/companies/browse/critical-infrastructure-protection-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 critical infrastructure protection contractors worldwide
RevenueBase records 5,368 matching company records for critical infrastructure protection contractors worldwide, with 109,343 tracked contacts and 26,269 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 10, 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 critical infrastructure protection 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 | AMEYamey.co.uk HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 6,933 contacts → |
“Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Convergintconvergint.com HQ: Hoffman Estates, IL, United StatesReported employees: 10001+ | Hoffman Estates, IL, United States | 10001+ | Exact match | 5,878 contacts → |
“Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sicuritalia S.P.Asicuritalia.it HQ: Milan, ItalyReported employees: 10001+ | Milan, Italy | 10001+ | Exact match | 3,431 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 · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Crisis24crisis24.com HQ: Annapolis, MD, United StatesReported employees: 1,001-5,000 | Annapolis, MD, United States | 1,001-5,000 | Exact match | 2,143 contacts → |
“Crisis24, a GardaWorld company, is widely regarded as the leading integrated risk management, crisis response, consulting, and global protective solutions firm, serving the…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | OPTIVoptiv.com HQ: Leawood, KS, United StatesReported employees: 1,001-5,000 | Leawood, KS, United States | 1,001-5,000 | Exact match | 2,128 contacts → |
“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Paragon Systems INCparasys.com HQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,806 contacts → |
“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Securiguard Middle East LLCsecuriguard.ae HQ: Abu Dhabi, United Arab EmiratesReported employees: 10001+ | Abu Dhabi, United Arab Emirates | 10001+ | Exact match | 1,525 contacts → |
“Welcome to Securiguard Middle East, Your answer for an Integrated Safety and Security Solutions in the UAE At Securiguard Middle East, we are driven by a commitment to make a…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Icts Europeictseurope.com HQ: Bp12936, FranceReported employees: 10001+ | Bp12936, France | 10001+ | Exact match | 1,520 contacts → |
“ICTS Europe is Europe’s leading security specialist.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Frazer-Nash Consultancyfnc.co.uk HQ: Leatherhead, United KingdomReported employees: 1,001-5,000 | Leatherhead, United Kingdom | 1,001-5,000 | Exact match | 1,482 contacts → |
“With offices in the UK and Australia, Frazer-Nash is a leading systems, engineering and technology company.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Airbus Protectprotect.airbus.com HQ: Blagnac, FranceReported employees: 1,001-5,000 | Blagnac, France | 1,001-5,000 | Exact match | 1,481 contacts → |
“Airbus Protect is an Airbus subsidiary bringing together expertise in cybersecurity, safety and sustainability-related services.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | First Security Group LLCfirstsg.com HQ: Dubai, United Arab EmiratesReported employees: 5,001-10,000 | Dubai, United Arab Emirates | 5,001-10,000 | Exact match | 1,360 contacts → |
“First Security Group LLC was founded in 2004 with the vision of His Highness, the Vice President, Prime Minister, and Ruler of Dubai, Sheikh Mohamed bin Rashid Al Maktoum.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | IEMiem.com HQ: Morrisville, NC, United StatesReported employees: 501-1,000 | Morrisville, NC, United States | 501-1,000 | Exact match | 1,189 contacts → |
“IEM is a professional services firm dedicated to building a safe, secure, and resilient world.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Seguritechseguritech.com HQ: Mexico City, MexicoReported employees: 1,001-5,000 | Mexico City, Mexico | 1,001-5,000 | Exact match | 1,080 contacts → |
“A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Brosnan Risk Consultantsbrosnanrisk.com HQ: Pearl River, NY, United StatesReported employees: 5,001-10,000 | Pearl River, NY, United States | 5,001-10,000 | Exact match | 1,042 contacts → |
“Brosnan Risk Consultants, Ltd.(BRC) is a security risk management firm focusing on physical security, emergency security, disaster preparedness and recovery and management…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ABS Consultingabs-group.com HQ: Spring, TX, United StatesReported employees: 1,001-5,000 | Spring, TX, United States | 1,001-5,000 | Exact match | 895 contacts → |
“ABSG Consulting Inc.(ABS Consulting) is part of ABS Group of Companies, a global leader in safety and risk management for critical infrastructure worldwide and a wholly owned…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Omega Risk Solutionsomegasol.com HQ: Grand Baie, MauritiusReported employees: 5,001-10,000 | Grand Baie, Mauritius | 5,001-10,000 | Exact match | 831 contacts → |
“Omega Risk Solutions offers advanced, integrated security solutions based on a thorough understanding of its clients’ requirements in order to present them with innovative and…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Securitas Norgesecuritas.no HQ: Oslo, NorwayReported employees: 5,001-10,000 | Oslo, Norway | 5,001-10,000 | Exact match | 821 contacts → |
“Securitas AS er det største og eldste sikkerhetsselskapet i Norge.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Halogen Grouphalogen-group.com HQ: Lagos, NigeriaReported employees: 501-1,000 | Lagos, Nigeria | 501-1,000 | Exact match | 639 contacts → |
“Halogen Group formerly known as Halogen Security Company Limited is the leading Security Solutions Provider in West Africa.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Securitas Uruguaysecuritasuruguay.com HQ: Montevideo, UruguayReported employees: 1,001-5,000 | Montevideo, Uruguay | 1,001-5,000 | Exact match | 634 contacts → |
“Securitas es el principal socio de servicios de protección inteligente del mundo.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Raycapraycap.com HQ: Post Falls, ID, United StatesReported employees: 1,001-5,000 | Post Falls, ID, United States | 1,001-5,000 | Exact match | 580 contacts → |
“Raycap is a privately-held technology solutions provider offering products and services that support and protect the world’s critical telecommunications, energy, transportation…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Security Alliancesecurityalliancegroup.com HQ: Miami, FL, United StatesReported employees: 1,001-5,000 | Miami, FL, United States | 1,001-5,000 | Exact match | 574 contacts → |
“Security Alliance is a highly experienced provider of security solutions for private and business environments.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | MSA Securityaus.com HQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 565 contacts → |
“Allied Universal Enhanced Protection Services delivers unrivaled threat mitigation expertise for government and business entities worldwide.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Tech Systems Inc. TSItechsystemsinc.com HQ: Buford, GA, IndiaReported employees: 501-1,000 | Buford, GA, India | 501-1,000 | Exact match | 555 contacts → |
“Since 1987, Tech Systems, Inc.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Byblos Groupbyblos-group-holding.com HQ: Lissieu, FranceReported employees: 1,001-5,000 | Lissieu, France | 1,001-5,000 | Exact match | 548 contacts → |
“Byblos Group est un groupe indépendant spécialisé dans la protection des personnes, des biens et des données, avec une approche sur mesure, fondée sur l’excellence opérationnelle…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | SNP Securitysnpsecurity.com.au HQ: West Ryde, AustraliaReported employees: 1,001-5,000 | West Ryde, Australia | 1,001-5,000 | Exact match | 531 contacts → |
“Founded in 1923, SNP is one of Australia’s leading security services providers with over 2,500 employees nationwide.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,368 company matches
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Critical infrastructure protection contractors: dataset insights
October 10, 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
5,361 records in the displayed employee bands.
7 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 5,368 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 10, 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 ↗
Critical infrastructure protection contractors by location
34 lists · largest firstEvery Critical infrastructure protection contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure protection contractors based in the United States1,328
- Critical infrastructure protection contractors based in the United Kingdom275
- Critical infrastructure protection contractors based in France221
- Critical infrastructure protection contractors based in Brazil199
- Critical infrastructure protection contractors based in Germany157
- Critical infrastructure protection contractors based in India157
- Critical infrastructure protection contractors based in Australia155
- Critical infrastructure protection contractors based in Canada143
- Critical infrastructure protection contractors based in Mexico126
- Critical infrastructure protection contractors based in Italy103
- Critical infrastructure protection contractors based in Spain85
- Critical infrastructure protection contractors based in the United Arab Emirates85
- Critical infrastructure protection contractors based in the Netherlands73
- Critical infrastructure protection contractors based in Sweden71
- Critical infrastructure protection contractors based in Colombia66
- Critical infrastructure protection contractors based in Switzerland61
- Critical infrastructure protection contractors based in Chile57
- Critical infrastructure protection contractors based in Israel57
- Critical infrastructure protection contractors based in South Africa55
- Critical infrastructure protection contractors based in Türkiye50
- Critical infrastructure protection contractors based in Saudi Arabia40
- Critical infrastructure protection contractors based in Belgium34
- Critical infrastructure protection contractors based in Nigeria34
- Critical infrastructure protection contractors based in Poland29
Cities
- Critical infrastructure protection contractors based in London, United Kingdom93
- Critical infrastructure protection contractors based in Sao Paulo, Brazil67
- Critical infrastructure protection contractors based in Paris, France58
- Critical infrastructure protection contractors based in Dubai, United Arab Emirates40
- Critical infrastructure protection contractors based in New York, United States37
- Critical infrastructure protection contractors based in Washington, United States36
- Critical infrastructure protection contractors based in Houston, United States35
- Critical infrastructure protection contractors based in Toronto, Canada32
- Critical infrastructure protection contractors based in Stockholm, Sweden31
- Critical infrastructure protection contractors based in Melbourne, Australia27
Questions about this company list
What does Exact match mean for critical infrastructure protection 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 critical infrastructure protection contractors did RevenueBase find worldwide?
The saved snapshot records 5,368 matching company records, 109,343 tracked contacts and 26,269 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 10, 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 critical infrastructure protection contractors worldwide. Snapshot: October 10, 2026. https://revenuebase.ai/companies/browse/critical-infrastructure-protection-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗