Company lists · Data refreshed November 2026
Top 25 Critical infrastructure protection services worldwide
RevenueBase identified 20,730 company matches for critical infrastructure protection services worldwide as of November 2026 and tracks 769,783 professional contacts across them, including 89,644 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 services 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 6, 2026. Country and city lists for critical infrastructure protection services 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 services 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 6, 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 6, 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 6, 2026 · View company records in RevenueBase | |||||
| 4 | 40,551 contacts → | ||||
Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 13,149 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 11,949 contacts → | ||||
Exact match “Businesses face a wide range of risks and hazards that they, in one way or another, have to deal with.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 7,043 contacts → | ||||
Exact match “Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 7,033 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 6,705 contacts → | ||||
Exact match “Making the world a safer place.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 6,031 contacts → | ||||
Exact match “Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 5,254 contacts → | ||||
Exact match “A SegurPro é o próximo passo em segurança privada.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 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 6, 2026 · View company records in RevenueBase | |||||
| 13 | 4,705 contacts → | ||||
Exact match “O que é trabalhar no Grupo Haganá?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 4,263 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 4,112 contacts → | ||||
Exact match “Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 4,040 contacts → | ||||
Exact match “Excelsior Defense is a security and investigations company based out of St.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 3,955 contacts → | ||||
Exact match “Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 3,635 contacts → | ||||
Exact match “Somos la empresa de seguridad de mayor prestigio en el Perú" Comenzamos en el año 1989, con solo 4 hombres de Seguridad, que creyeron en nuestro estilo de liderazgo y decidieron…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 3,593 contacts → | ||||
Exact match “Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 3,204 contacts → | ||||
Exact match “Specialist Security Company offering worldwide protection services to a niche` market of VIP's and travelling executives.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 3,132 contacts → | ||||
Exact match “Fundado em 1992, o GRUPO GR se consolidou no mercado por sua qualidade e seriedade na implantação e operação de soluções de segurança e serviços para diversos tipos de clientes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 3,053 contacts → | ||||
Exact match “Securitas is a global knowledge leader in security.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 2,953 contacts → | ||||
Exact match “Triple Canopy is a Constellis company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 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 6, 2026 · View company records in RevenueBase | |||||
| 25 | 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 6, 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 services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 20,730 critical infrastructure protection services worldwide
See the full list, filter by size, metro and specialty, and access 89,644 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Critical infrastructure protection services worldwide at a glance
As of Nov 6, 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 services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “critical infrastructure protection services” 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 89,644 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 6, 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 services by location
124 lists · largest firstEvery Critical infrastructure protection services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure protection services based in the United States3,840
- Critical infrastructure protection services based in the United Kingdom1,776
- Critical infrastructure protection services based in France981
- Critical infrastructure protection services based in Brazil980
- Critical infrastructure protection services based in Germany850
- Critical infrastructure protection services based in India786
- Critical infrastructure protection services based in Canada633
- Critical infrastructure protection services based in Australia614
- Critical infrastructure protection services based in the Netherlands581
- Critical infrastructure protection services based in Italy459
- Critical infrastructure protection services based in Mexico449
- Critical infrastructure protection services based in South Africa390
- Critical infrastructure protection services based in Spain338
- Critical infrastructure protection services based in the United Arab Emirates257
- Critical infrastructure protection services based in Argentina252
- Critical infrastructure protection services based in Colombia236
- Critical infrastructure protection services based in Chile224
- Critical infrastructure protection services based in Switzerland223
- Critical infrastructure protection services based in Sweden191
- Critical infrastructure protection services based in Peru181
- Critical infrastructure protection services based in Belgium161
- Critical infrastructure protection services based in Türkiye155
- Critical infrastructure protection services based in Nigeria141
- Critical infrastructure protection services based in Poland126
- Critical infrastructure protection services based in Israel115
- Critical infrastructure protection services based in Kenya100
- Critical infrastructure protection services based in Saudi Arabia92
- Critical infrastructure protection services based in New Zealand91
- Critical infrastructure protection services based in Romania90
- Critical infrastructure protection services based in Pakistan88
- Critical infrastructure protection services based in Denmark85
- Critical infrastructure protection services based in Ecuador85
- Critical infrastructure protection services based in Indonesia81
- Critical infrastructure protection services based in Egypt79
- Critical infrastructure protection services based in Ireland79
- Critical infrastructure protection services based in Morocco78
- Critical infrastructure protection services based in Portugal74
- Critical infrastructure protection services based in Greece72
- Critical infrastructure protection services based in Malaysia71
- Critical infrastructure protection services based in Austria67
- Critical infrastructure protection services based in Czechia61
- Critical infrastructure protection services based in Norway58
- Critical infrastructure protection services based in Qatar56
- Critical infrastructure protection services based in the Philippines55
- Critical infrastructure protection services based in Finland43
- Critical infrastructure protection services based in Ukraine41
- Critical infrastructure protection services based in Hungary40
- Critical infrastructure protection services based in the Dominican Republic35
- Critical infrastructure protection services based in Hong Kong27
- Critical infrastructure protection services based in Luxembourg27
- Critical infrastructure protection services based in Uruguay27
Cities
- Critical infrastructure protection services based in London, United Kingdom517
- Critical infrastructure protection services based in Sao Paulo, Brazil269
- Critical infrastructure protection services based in Paris, France168
- Critical infrastructure protection services based in Dubai, United Arab Emirates137
- Critical infrastructure protection services based in New York, United States129
- Critical infrastructure protection services based in Toronto, Canada103
- Critical infrastructure protection services based in Mexico City, Mexico97
- Critical infrastructure protection services based in Houston, United States95
- Critical infrastructure protection services based in Melbourne, Australia91
- Critical infrastructure protection services based in Sydney, Australia88
- Critical infrastructure protection services based in Bogota, Colombia84
- Critical infrastructure protection services based in Los Angeles, United States84
- Critical infrastructure protection services based in Bangalore, India79
- Critical infrastructure protection services based in Nairobi, Kenya78
- Critical infrastructure protection services based in Buenos Aires, Argentina77
- Critical infrastructure protection services based in New Delhi, India76
- Critical infrastructure protection services based in Stockholm, Sweden75
- Critical infrastructure protection services based in Johannesburg, South Africa73
- Critical infrastructure protection services based in Madrid, Spain73
- Critical infrastructure protection services based in Rio De Janeiro, Brazil73
- Critical infrastructure protection services based in Berlin, Germany71
- Critical infrastructure protection services based in Lima, Peru65
- Critical infrastructure protection services based in Miami, United States65
- Critical infrastructure protection services based in Istanbul, Türkiye63
- Critical infrastructure protection services based in Washington, United States62
- Critical infrastructure protection services based in Rome, Italy60
- Critical infrastructure protection services based in Mumbai, India58
- Critical infrastructure protection services based in Austin, United States56
- Critical infrastructure protection services based in Santiago, Chile56
- Critical infrastructure protection services based in Atlanta, United States55
- Critical infrastructure protection services based in Calgary, Canada54
- Critical infrastructure protection services based in Dallas, United States53
- Critical infrastructure protection services based in Chicago, United States47
- Critical infrastructure protection services based in Milan, Italy47
- Critical infrastructure protection services based in Montreal, Canada46
- Critical infrastructure protection services based in Riyadh, Saudi Arabia46
- Critical infrastructure protection services based in Ottawa, Canada44
- Critical infrastructure protection services based in Warsaw, Poland44
- Critical infrastructure protection services based in Pune, India43
- Critical infrastructure protection services based in Lagos, Nigeria42
- Critical infrastructure protection services based in Cairo, Egypt41
- Critical infrastructure protection services based in Tampa, United States41
- Critical infrastructure protection services based in Cape Town, South Africa40
- Critical infrastructure protection services based in Gurgaon, India40
- Critical infrastructure protection services based in Bucharest, Romania38
- Critical infrastructure protection services based in Manchester, United Kingdom38
- Critical infrastructure protection services based in Birmingham, United Kingdom37
- Critical infrastructure protection services based in Brisbane, Australia37
- Critical infrastructure protection services based in Las Vegas, United States37
- Critical infrastructure protection services based in Barcelona, Spain36
- Critical infrastructure protection services based in Hamburg, Germany36
- Critical infrastructure protection services based in Auckland, New Zealand35
- Critical infrastructure protection services based in Denver, United States35
- Critical infrastructure protection services based in Phoenix, United States34
- Critical infrastructure protection services based in Belo Horizonte, Brazil32
- Critical infrastructure protection services based in Curitiba, Brazil31
- Critical infrastructure protection services based in Frankfurt, Germany31
- Critical infrastructure protection services based in Charlotte, United States30
- Critical infrastructure protection services based in Dublin, Ireland30
- Critical infrastructure protection services based in Doha, Qatar29
- Critical infrastructure protection services based in Munich, Germany29
- Critical infrastructure protection services based in Tel Aviv, Israel29
- Critical infrastructure protection services based in Boston, United States28
- Critical infrastructure protection services based in Mississauga, Canada28
- Critical infrastructure protection services based in Perth, Australia28
- Critical infrastructure protection services based in Abu Dhabi, United Arab Emirates27
- Critical infrastructure protection services based in Vancouver, Canada27
- Critical infrastructure protection services based in Arlington, United States26
- Critical infrastructure protection services based in Oslo, Norway26
- Critical infrastructure protection services based in San Antonio, United States26
- Critical infrastructure protection services based in Barueri, Brazil25
- Critical infrastructure protection services based in Glasgow, United Kingdom25
- Critical infrastructure protection services based in Kyiv, Ukraine25
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 services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many critical infrastructure protection services are there worldwide?
RevenueBase identified 20,730 company matches for critical infrastructure protection services 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 critical infrastructure protection services?
The United States leads with 3,840 companies, followed by the United Kingdom (1,776) and France (981). Every critical infrastructure protection services list by country and city is linked on this page.
Which city has the most critical infrastructure protection services?
London leads with 528 company records, followed by Sao Paulo (269) and Paris (169).
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 89,644 professional contacts with verified work emails tracked across these 20,730 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 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 20,730 critical infrastructure protection services 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 critical infrastructure protection services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 20,730 matching company records for critical infrastructure protection services worldwide, with 769,783 tracked contacts and 89,644 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 6, 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 services 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 6, 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 6, 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 6, 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Private Sectorlockervault.comHQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 13,149 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 |  Securitas Nederlandsecuritas.nlHQ: Breukelen, United StatesReported employees: 1,001-5,000 | Breukelen, United States | 1,001-5,000 | Exact match | 11,949 contacts → |
“Businesses face a wide range of risks and hazards that they, in one way or another, have to deal with.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  AMEYamey.co.ukHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 7,043 contacts → |
“Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Securitas Groupsecuritas.comHQ: Stockholm, SwedenReported employees: 10001+ | Stockholm, Sweden | 10001+ | Exact match | 7,033 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 |  Chubb Fire & Securitychubbfs.comHQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,705 contacts → |
“Making the world a safer place.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Convergintconvergint.comHQ: Hoffman Estates, IL, United StatesReported employees: 10001+ | Hoffman Estates, IL, United States | 10001+ | Exact match | 6,031 contacts → |
“Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Securitas Francefrance.securitas.frHQ: Issy-les-moulineaux, FranceReported employees: 10001+ | Issy-les-moulineaux, France | 10001+ | Exact match | 4,112 contacts → |
“Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Unemployedexcelsiordefense.com HQ: St. Petersburg, FL, United StatesReported employees: Not recorded | St. Petersburg, FL, United States | Not recorded | Exact match | 4,040 contacts → |
“Excelsior Defense is a security and investigations company based out of St.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Securitas Seguridad Españasecuritas.esHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 3,955 contacts → |
“Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Lidermanliderman.com.peHQ: Lima, PeruReported employees: 10001+ | Lima, Peru | 10001+ | Exact match | 3,635 contacts → |
“Somos la empresa de seguridad de mayor prestigio en el Perú" Comenzamos en el año 1989, con solo 4 hombres de Seguridad, que creyeron en nuestro estilo de liderazgo y decidieron…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Sicuritalia S.P.Asicuritalia.itHQ: Milan, ItalyReported employees: 10001+ | Milan, Italy | 10001+ | Exact match | 3,593 contacts → |
“Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | SSIsecurityservicesinternational.co.uk HQ: United KingdomReported employees: Not recorded | United Kingdom | Not recorded | Exact match | 3,204 contacts → |
“Specialist Security Company offering worldwide protection services to a niche` market of VIP's and travelling executives.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Grupo GRgrupogr.com.brHQ: São Paulo, BrazilReported employees: 10001+ | São Paulo, Brazil | 10001+ | Exact match | 3,132 contacts → |
“Fundado em 1992, o GRUPO GR se consolidou no mercado por sua qualidade e seriedade na implantação e operação de soluções de segurança e serviços para diversos tipos de clientes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Triple Canopy A Constellis Companyconstellis.comHQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 2,953 contacts → |
“Triple Canopy is a Constellis company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 20,730 company matches
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Critical infrastructure protection services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
20,557 records in the displayed employee bands.
173 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 20,730 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 6, 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 services by location
124 lists · largest firstEvery Critical infrastructure protection services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure protection services based in the United States3,840
- Critical infrastructure protection services based in the United Kingdom1,776
- Critical infrastructure protection services based in France981
- Critical infrastructure protection services based in Brazil980
- Critical infrastructure protection services based in Germany850
- Critical infrastructure protection services based in India786
- Critical infrastructure protection services based in Canada633
- Critical infrastructure protection services based in Australia614
- Critical infrastructure protection services based in the Netherlands581
- Critical infrastructure protection services based in Italy459
- Critical infrastructure protection services based in Mexico449
- Critical infrastructure protection services based in South Africa390
- Critical infrastructure protection services based in Spain338
- Critical infrastructure protection services based in the United Arab Emirates257
- Critical infrastructure protection services based in Argentina252
- Critical infrastructure protection services based in Colombia236
- Critical infrastructure protection services based in Chile224
- Critical infrastructure protection services based in Switzerland223
- Critical infrastructure protection services based in Sweden191
- Critical infrastructure protection services based in Peru181
- Critical infrastructure protection services based in Belgium161
- Critical infrastructure protection services based in Türkiye155
- Critical infrastructure protection services based in Nigeria141
- Critical infrastructure protection services based in Poland126
- Critical infrastructure protection services based in Israel115
- Critical infrastructure protection services based in Kenya100
- Critical infrastructure protection services based in Saudi Arabia92
- Critical infrastructure protection services based in New Zealand91
- Critical infrastructure protection services based in Romania90
- Critical infrastructure protection services based in Pakistan88
- Critical infrastructure protection services based in Denmark85
- Critical infrastructure protection services based in Ecuador85
- Critical infrastructure protection services based in Indonesia81
- Critical infrastructure protection services based in Egypt79
- Critical infrastructure protection services based in Ireland79
- Critical infrastructure protection services based in Morocco78
- Critical infrastructure protection services based in Portugal74
- Critical infrastructure protection services based in Greece72
- Critical infrastructure protection services based in Malaysia71
- Critical infrastructure protection services based in Austria67
- Critical infrastructure protection services based in Czechia61
- Critical infrastructure protection services based in Norway58
- Critical infrastructure protection services based in Qatar56
- Critical infrastructure protection services based in the Philippines55
- Critical infrastructure protection services based in Finland43
- Critical infrastructure protection services based in Ukraine41
- Critical infrastructure protection services based in Hungary40
- Critical infrastructure protection services based in the Dominican Republic35
- Critical infrastructure protection services based in Hong Kong27
- Critical infrastructure protection services based in Luxembourg27
- Critical infrastructure protection services based in Uruguay27
Cities
- Critical infrastructure protection services based in London, United Kingdom517
- Critical infrastructure protection services based in Sao Paulo, Brazil269
- Critical infrastructure protection services based in Paris, France168
- Critical infrastructure protection services based in Dubai, United Arab Emirates137
- Critical infrastructure protection services based in New York, United States129
- Critical infrastructure protection services based in Toronto, Canada103
- Critical infrastructure protection services based in Mexico City, Mexico97
- Critical infrastructure protection services based in Houston, United States95
- Critical infrastructure protection services based in Melbourne, Australia91
- Critical infrastructure protection services based in Sydney, Australia88
- Critical infrastructure protection services based in Bogota, Colombia84
- Critical infrastructure protection services based in Los Angeles, United States84
- Critical infrastructure protection services based in Bangalore, India79
- Critical infrastructure protection services based in Nairobi, Kenya78
- Critical infrastructure protection services based in Buenos Aires, Argentina77
- Critical infrastructure protection services based in New Delhi, India76
- Critical infrastructure protection services based in Stockholm, Sweden75
- Critical infrastructure protection services based in Johannesburg, South Africa73
- Critical infrastructure protection services based in Madrid, Spain73
- Critical infrastructure protection services based in Rio De Janeiro, Brazil73
- Critical infrastructure protection services based in Berlin, Germany71
- Critical infrastructure protection services based in Lima, Peru65
- Critical infrastructure protection services based in Miami, United States65
- Critical infrastructure protection services based in Istanbul, Türkiye63
- Critical infrastructure protection services based in Washington, United States62
- Critical infrastructure protection services based in Rome, Italy60
- Critical infrastructure protection services based in Mumbai, India58
- Critical infrastructure protection services based in Austin, United States56
- Critical infrastructure protection services based in Santiago, Chile56
- Critical infrastructure protection services based in Atlanta, United States55
- Critical infrastructure protection services based in Calgary, Canada54
- Critical infrastructure protection services based in Dallas, United States53
- Critical infrastructure protection services based in Chicago, United States47
- Critical infrastructure protection services based in Milan, Italy47
- Critical infrastructure protection services based in Montreal, Canada46
- Critical infrastructure protection services based in Riyadh, Saudi Arabia46
- Critical infrastructure protection services based in Ottawa, Canada44
- Critical infrastructure protection services based in Warsaw, Poland44
- Critical infrastructure protection services based in Pune, India43
- Critical infrastructure protection services based in Lagos, Nigeria42
- Critical infrastructure protection services based in Cairo, Egypt41
- Critical infrastructure protection services based in Tampa, United States41
- Critical infrastructure protection services based in Cape Town, South Africa40
- Critical infrastructure protection services based in Gurgaon, India40
- Critical infrastructure protection services based in Bucharest, Romania38
- Critical infrastructure protection services based in Manchester, United Kingdom38
- Critical infrastructure protection services based in Birmingham, United Kingdom37
- Critical infrastructure protection services based in Brisbane, Australia37
- Critical infrastructure protection services based in Las Vegas, United States37
- Critical infrastructure protection services based in Barcelona, Spain36
- Critical infrastructure protection services based in Hamburg, Germany36
- Critical infrastructure protection services based in Auckland, New Zealand35
- Critical infrastructure protection services based in Denver, United States35
- Critical infrastructure protection services based in Phoenix, United States34
- Critical infrastructure protection services based in Belo Horizonte, Brazil32
- Critical infrastructure protection services based in Curitiba, Brazil31
- Critical infrastructure protection services based in Frankfurt, Germany31
- Critical infrastructure protection services based in Charlotte, United States30
- Critical infrastructure protection services based in Dublin, Ireland30
- Critical infrastructure protection services based in Doha, Qatar29
- Critical infrastructure protection services based in Munich, Germany29
- Critical infrastructure protection services based in Tel Aviv, Israel29
- Critical infrastructure protection services based in Boston, United States28
- Critical infrastructure protection services based in Mississauga, Canada28
- Critical infrastructure protection services based in Perth, Australia28
- Critical infrastructure protection services based in Abu Dhabi, United Arab Emirates27
- Critical infrastructure protection services based in Vancouver, Canada27
- Critical infrastructure protection services based in Arlington, United States26
- Critical infrastructure protection services based in Oslo, Norway26
- Critical infrastructure protection services based in San Antonio, United States26
- Critical infrastructure protection services based in Barueri, Brazil25
- Critical infrastructure protection services based in Glasgow, United Kingdom25
- Critical infrastructure protection services based in Kyiv, Ukraine25
Questions about this company list
What does Exact match mean for critical infrastructure protection services?
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 services did RevenueBase find worldwide?
The saved snapshot records 20,730 matching company records, 769,783 tracked contacts and 89,644 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 6, 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 services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/critical-infrastructure-protection-services.
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 services worldwide
RevenueBase records 20,730 matching company records for critical infrastructure protection services worldwide, with 769,783 tracked contacts and 89,644 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 6, 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 services 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 6, 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 6, 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 6, 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Private Sectorlockervault.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 13,149 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | Securitas Nederlandsecuritas.nl HQ: Breukelen, United StatesReported employees: 1,001-5,000 | Breukelen, United States | 1,001-5,000 | Exact match | 11,949 contacts → |
“Businesses face a wide range of risks and hazards that they, in one way or another, have to deal with.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | AMEYamey.co.uk HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 7,043 contacts → |
“Who we are: Amey is a global, integrated infrastructure consultancy and operations partner.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Securitas Groupsecuritas.com HQ: Stockholm, SwedenReported employees: 10001+ | Stockholm, Sweden | 10001+ | Exact match | 7,033 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Chubb Fire & Securitychubbfs.com HQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,705 contacts → |
“Making the world a safer place.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Convergintconvergint.com HQ: Hoffman Estates, IL, United StatesReported employees: 10001+ | Hoffman Estates, IL, United States | 10001+ | Exact match | 6,031 contacts → |
“Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Securitas Francefrance.securitas.fr HQ: Issy-les-moulineaux, FranceReported employees: 10001+ | Issy-les-moulineaux, France | 10001+ | Exact match | 4,112 contacts → |
“Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Unemployedexcelsiordefense.com HQ: St. Petersburg, FL, United StatesReported employees: Not recorded | St. Petersburg, FL, United States | Not recorded | Exact match | 4,040 contacts → |
“Excelsior Defense is a security and investigations company based out of St.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Securitas Seguridad Españasecuritas.es HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 3,955 contacts → |
“Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Lidermanliderman.com.pe HQ: Lima, PeruReported employees: 10001+ | Lima, Peru | 10001+ | Exact match | 3,635 contacts → |
“Somos la empresa de seguridad de mayor prestigio en el Perú" Comenzamos en el año 1989, con solo 4 hombres de Seguridad, que creyeron en nuestro estilo de liderazgo y decidieron…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Sicuritalia S.P.Asicuritalia.it HQ: Milan, ItalyReported employees: 10001+ | Milan, Italy | 10001+ | Exact match | 3,593 contacts → |
“Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | SSIsecurityservicesinternational.co.uk HQ: United KingdomReported employees: Not recorded | United Kingdom | Not recorded | Exact match | 3,204 contacts → |
“Specialist Security Company offering worldwide protection services to a niche` market of VIP's and travelling executives.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Grupo GRgrupogr.com.br HQ: São Paulo, BrazilReported employees: 10001+ | São Paulo, Brazil | 10001+ | Exact match | 3,132 contacts → |
“Fundado em 1992, o GRUPO GR se consolidou no mercado por sua qualidade e seriedade na implantação e operação de soluções de segurança e serviços para diversos tipos de clientes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Triple Canopy A Constellis Companyconstellis.com HQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 2,953 contacts → |
“Triple Canopy is a Constellis company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 20,730 company matches
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Critical infrastructure protection services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
20,557 records in the displayed employee bands.
173 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 20,730 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 6, 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 services by location
124 lists · largest firstEvery Critical infrastructure protection services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure protection services based in the United States3,840
- Critical infrastructure protection services based in the United Kingdom1,776
- Critical infrastructure protection services based in France981
- Critical infrastructure protection services based in Brazil980
- Critical infrastructure protection services based in Germany850
- Critical infrastructure protection services based in India786
- Critical infrastructure protection services based in Canada633
- Critical infrastructure protection services based in Australia614
- Critical infrastructure protection services based in the Netherlands581
- Critical infrastructure protection services based in Italy459
- Critical infrastructure protection services based in Mexico449
- Critical infrastructure protection services based in South Africa390
- Critical infrastructure protection services based in Spain338
- Critical infrastructure protection services based in the United Arab Emirates257
- Critical infrastructure protection services based in Argentina252
- Critical infrastructure protection services based in Colombia236
- Critical infrastructure protection services based in Chile224
- Critical infrastructure protection services based in Switzerland223
- Critical infrastructure protection services based in Sweden191
- Critical infrastructure protection services based in Peru181
- Critical infrastructure protection services based in Belgium161
- Critical infrastructure protection services based in Türkiye155
- Critical infrastructure protection services based in Nigeria141
- Critical infrastructure protection services based in Poland126
- Critical infrastructure protection services based in Israel115
- Critical infrastructure protection services based in Kenya100
- Critical infrastructure protection services based in Saudi Arabia92
- Critical infrastructure protection services based in New Zealand91
- Critical infrastructure protection services based in Romania90
- Critical infrastructure protection services based in Pakistan88
- Critical infrastructure protection services based in Denmark85
- Critical infrastructure protection services based in Ecuador85
- Critical infrastructure protection services based in Indonesia81
- Critical infrastructure protection services based in Egypt79
- Critical infrastructure protection services based in Ireland79
- Critical infrastructure protection services based in Morocco78
- Critical infrastructure protection services based in Portugal74
- Critical infrastructure protection services based in Greece72
- Critical infrastructure protection services based in Malaysia71
- Critical infrastructure protection services based in Austria67
- Critical infrastructure protection services based in Czechia61
- Critical infrastructure protection services based in Norway58
- Critical infrastructure protection services based in Qatar56
- Critical infrastructure protection services based in the Philippines55
- Critical infrastructure protection services based in Finland43
- Critical infrastructure protection services based in Ukraine41
- Critical infrastructure protection services based in Hungary40
- Critical infrastructure protection services based in the Dominican Republic35
- Critical infrastructure protection services based in Hong Kong27
- Critical infrastructure protection services based in Luxembourg27
- Critical infrastructure protection services based in Uruguay27
Cities
- Critical infrastructure protection services based in London, United Kingdom517
- Critical infrastructure protection services based in Sao Paulo, Brazil269
- Critical infrastructure protection services based in Paris, France168
- Critical infrastructure protection services based in Dubai, United Arab Emirates137
- Critical infrastructure protection services based in New York, United States129
- Critical infrastructure protection services based in Toronto, Canada103
- Critical infrastructure protection services based in Mexico City, Mexico97
- Critical infrastructure protection services based in Houston, United States95
- Critical infrastructure protection services based in Melbourne, Australia91
- Critical infrastructure protection services based in Sydney, Australia88
- Critical infrastructure protection services based in Bogota, Colombia84
- Critical infrastructure protection services based in Los Angeles, United States84
- Critical infrastructure protection services based in Bangalore, India79
- Critical infrastructure protection services based in Nairobi, Kenya78
- Critical infrastructure protection services based in Buenos Aires, Argentina77
- Critical infrastructure protection services based in New Delhi, India76
- Critical infrastructure protection services based in Stockholm, Sweden75
- Critical infrastructure protection services based in Johannesburg, South Africa73
- Critical infrastructure protection services based in Madrid, Spain73
- Critical infrastructure protection services based in Rio De Janeiro, Brazil73
- Critical infrastructure protection services based in Berlin, Germany71
- Critical infrastructure protection services based in Lima, Peru65
- Critical infrastructure protection services based in Miami, United States65
- Critical infrastructure protection services based in Istanbul, Türkiye63
- Critical infrastructure protection services based in Washington, United States62
- Critical infrastructure protection services based in Rome, Italy60
- Critical infrastructure protection services based in Mumbai, India58
- Critical infrastructure protection services based in Austin, United States56
- Critical infrastructure protection services based in Santiago, Chile56
- Critical infrastructure protection services based in Atlanta, United States55
- Critical infrastructure protection services based in Calgary, Canada54
- Critical infrastructure protection services based in Dallas, United States53
- Critical infrastructure protection services based in Chicago, United States47
- Critical infrastructure protection services based in Milan, Italy47
- Critical infrastructure protection services based in Montreal, Canada46
- Critical infrastructure protection services based in Riyadh, Saudi Arabia46
- Critical infrastructure protection services based in Ottawa, Canada44
- Critical infrastructure protection services based in Warsaw, Poland44
- Critical infrastructure protection services based in Pune, India43
- Critical infrastructure protection services based in Lagos, Nigeria42
- Critical infrastructure protection services based in Cairo, Egypt41
- Critical infrastructure protection services based in Tampa, United States41
- Critical infrastructure protection services based in Cape Town, South Africa40
- Critical infrastructure protection services based in Gurgaon, India40
- Critical infrastructure protection services based in Bucharest, Romania38
- Critical infrastructure protection services based in Manchester, United Kingdom38
- Critical infrastructure protection services based in Birmingham, United Kingdom37
- Critical infrastructure protection services based in Brisbane, Australia37
- Critical infrastructure protection services based in Las Vegas, United States37
- Critical infrastructure protection services based in Barcelona, Spain36
- Critical infrastructure protection services based in Hamburg, Germany36
- Critical infrastructure protection services based in Auckland, New Zealand35
- Critical infrastructure protection services based in Denver, United States35
- Critical infrastructure protection services based in Phoenix, United States34
- Critical infrastructure protection services based in Belo Horizonte, Brazil32
- Critical infrastructure protection services based in Curitiba, Brazil31
- Critical infrastructure protection services based in Frankfurt, Germany31
- Critical infrastructure protection services based in Charlotte, United States30
- Critical infrastructure protection services based in Dublin, Ireland30
- Critical infrastructure protection services based in Doha, Qatar29
- Critical infrastructure protection services based in Munich, Germany29
- Critical infrastructure protection services based in Tel Aviv, Israel29
- Critical infrastructure protection services based in Boston, United States28
- Critical infrastructure protection services based in Mississauga, Canada28
- Critical infrastructure protection services based in Perth, Australia28
- Critical infrastructure protection services based in Abu Dhabi, United Arab Emirates27
- Critical infrastructure protection services based in Vancouver, Canada27
- Critical infrastructure protection services based in Arlington, United States26
- Critical infrastructure protection services based in Oslo, Norway26
- Critical infrastructure protection services based in San Antonio, United States26
- Critical infrastructure protection services based in Barueri, Brazil25
- Critical infrastructure protection services based in Glasgow, United Kingdom25
- Critical infrastructure protection services based in Kyiv, Ukraine25
Questions about this company list
What does Exact match mean for critical infrastructure protection services?
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 services did RevenueBase find worldwide?
The saved snapshot records 20,730 matching company records, 769,783 tracked contacts and 89,644 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 6, 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 services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/critical-infrastructure-protection-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗