Company lists · Data refreshed November 2026
Top 25 Critical infrastructure cybersecurity companies worldwide
RevenueBase identified 15,521 company matches for critical infrastructure cybersecurity companies worldwide as of November 2026 and tracks 275,166 professional contacts across them, including 89,603 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for critical infrastructure cybersecurity companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026. Country and city lists for critical infrastructure cybersecurity companies 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 cybersecurity companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 21,906 contacts → | ||||
Exact match “Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 13,149 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 11,878 contacts → | ||||
Exact match “Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 5,283 contacts → | ||||
Exact match “Sophos, a global cybersecurity leader, defends more than organizations worldwide with Sophos Fusion, the industry's first and most complete AI-native cybersecurity defense system…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 3,977 contacts → | ||||
Exact match “Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 3,510 contacts → | ||||
Exact match “Trellix is a global cybersecurity company delivering intelligence-led cyber resilience for security-conscious organizations at any stage of their journey.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 2,171 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 2,063 contacts → | ||||
Exact match “N-able’s mission is to protect businesses against evolving cyberthreats with a unified cyber resiliency platform to manage, secure, and recover.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 1,928 contacts → | ||||
Exact match “Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 1,859 contacts → | ||||
Exact match “Inspira Enterprise is a global Cybersecurity & Data Analytics & AI services provider with a presence in North America, ASEAN, Middle East, India, and Africa regions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 1,514 contacts → | ||||
Exact match “We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 1,482 contacts → | ||||
Exact match “We’re here to provide digital infrastructure that helps companies and institutions steer a straight course.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 1,413 contacts → | ||||
Exact match “Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 1,346 contacts → | ||||
Exact match “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 1,192 contacts → | ||||
Exact match “OPSWAT protects critical infrastructure.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 1,171 contacts → | ||||
Exact match “Exclusive Networks is a global trusted cybersecurity specialist for digital infrastructure helping to drive the transition to a totally trusted digital future for all people and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 1,091 contacts → | ||||
Exact match “Irdeto, a CANAL+ company, is the world leader in digital platform cybersecurity, empowering businesses to innovate for a secure, connected future.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 989 contacts → | ||||
Exact match “Ensign InfoSecurity is the largest pure-play end-to-end cybersecurity service provider in Asia.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 894 contacts → | ||||
Exact match “Allot Ltd.(NASDAQ: ALLT, TASE: ALLT) is a provider of leading innovative converged cybersecurity solutions and network intelligence for service providers and enterprises…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 779 contacts → | ||||
Exact match “Claroty has redefined cyber-physical systems (CPS) protection with an unrivaled industry-centric platform built to secure mission-critical infrastructure.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 755 contacts → | ||||
Exact match “SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 733 contacts → | ||||
Exact match “Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 733 contacts → | ||||
Exact match “With 35 years of experience, Softcell Technologies Global is a trusted IT services provider specialising in (i) IT security and cybersecurity solutions,(ii) cloud / on-premise…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 729 contacts → | ||||
Exact match “We are a European company specialising in cybersecurity, cyberintelligence and cyberdefence, with more than 20 years of experience protecting critical infrastructures and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 687 contacts → | ||||
Exact match “I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “critical infrastructure cybersecurity companies”. 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 15,521 critical infrastructure cybersecurity companies worldwide
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Critical infrastructure cybersecurity companies worldwide at a glance
As of Nov 5, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for critical infrastructure cybersecurity companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “critical infrastructure cybersecurity companies” 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 89,603 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Critical infrastructure cybersecurity companies by location
126 lists · largest firstEvery Critical infrastructure cybersecurity companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure cybersecurity companies based in the United States3,731
- Critical infrastructure cybersecurity companies based in India1,230
- Critical infrastructure cybersecurity companies based in the United Kingdom978
- Critical infrastructure cybersecurity companies based in France524
- Critical infrastructure cybersecurity companies based in Australia503
- Critical infrastructure cybersecurity companies based in Canada487
- Critical infrastructure cybersecurity companies based in Brazil397
- Critical infrastructure cybersecurity companies based in Germany384
- Critical infrastructure cybersecurity companies based in the Netherlands286
- Critical infrastructure cybersecurity companies based in the United Arab Emirates270
- Critical infrastructure cybersecurity companies based in Spain252
- Critical infrastructure cybersecurity companies based in Italy240
- Critical infrastructure cybersecurity companies based in Mexico195
- Critical infrastructure cybersecurity companies based in Israel180
- Critical infrastructure cybersecurity companies based in Türkiye169
- Critical infrastructure cybersecurity companies based in South Africa157
- Critical infrastructure cybersecurity companies based in Switzerland148
- Critical infrastructure cybersecurity companies based in Saudi Arabia135
- Critical infrastructure cybersecurity companies based in Poland132
- Critical infrastructure cybersecurity companies based in Chile123
- Critical infrastructure cybersecurity companies based in Belgium116
- Critical infrastructure cybersecurity companies based in Colombia115
- Critical infrastructure cybersecurity companies based in Nigeria103
- Critical infrastructure cybersecurity companies based in Sweden103
- Critical infrastructure cybersecurity companies based in Indonesia90
- Critical infrastructure cybersecurity companies based in Singapore87
- Critical infrastructure cybersecurity companies based in Argentina75
- Critical infrastructure cybersecurity companies based in Austria62
- Critical infrastructure cybersecurity companies based in New Zealand59
- Critical infrastructure cybersecurity companies based in Czechia58
- Critical infrastructure cybersecurity companies based in Romania58
- Critical infrastructure cybersecurity companies based in Morocco55
- Critical infrastructure cybersecurity companies based in Bangladesh52
- Critical infrastructure cybersecurity companies based in Malaysia52
- Critical infrastructure cybersecurity companies based in Denmark51
- Critical infrastructure cybersecurity companies based in Ireland46
- Critical infrastructure cybersecurity companies based in Ecuador45
- Critical infrastructure cybersecurity companies based in Egypt44
- Critical infrastructure cybersecurity companies based in Portugal44
- Critical infrastructure cybersecurity companies based in Ukraine43
- Critical infrastructure cybersecurity companies based in Finland42
- Critical infrastructure cybersecurity companies based in Greece41
- Critical infrastructure cybersecurity companies based in Peru41
- Critical infrastructure cybersecurity companies based in the Philippines41
- Critical infrastructure cybersecurity companies based in Thailand37
- Critical infrastructure cybersecurity companies based in Estonia35
- Critical infrastructure cybersecurity companies based in Bulgaria34
- Critical infrastructure cybersecurity companies based in Japan33
- Critical infrastructure cybersecurity companies based in Qatar33
- Critical infrastructure cybersecurity companies based in Norway29
- Critical infrastructure cybersecurity companies based in Slovakia29
- Critical infrastructure cybersecurity companies based in Hungary28
- Critical infrastructure cybersecurity companies based in Luxembourg25
Cities
- Critical infrastructure cybersecurity companies based in London, United Kingdom386
- Critical infrastructure cybersecurity companies based in Dubai, United Arab Emirates171
- Critical infrastructure cybersecurity companies based in Paris, France145
- Critical infrastructure cybersecurity companies based in Bangalore, India136
- Critical infrastructure cybersecurity companies based in Sao Paulo, Brazil136
- Critical infrastructure cybersecurity companies based in New York, United States131
- Critical infrastructure cybersecurity companies based in Hyderabad, India106
- Critical infrastructure cybersecurity companies based in Melbourne, Australia102
- Critical infrastructure cybersecurity companies based in Pune, India99
- Critical infrastructure cybersecurity companies based in Toronto, Canada98
- Critical infrastructure cybersecurity companies based in Sydney, Australia93
- Critical infrastructure cybersecurity companies based in Riyadh, Saudi Arabia92
- Critical infrastructure cybersecurity companies based in Mumbai, India86
- Critical infrastructure cybersecurity companies based in New Delhi, India75
- Critical infrastructure cybersecurity companies based in Singapore, Singapore75
- Critical infrastructure cybersecurity companies based in Houston, United States74
- Critical infrastructure cybersecurity companies based in Atlanta, United States72
- Critical infrastructure cybersecurity companies based in Madrid, Spain71
- Critical infrastructure cybersecurity companies based in Washington, United States70
- Critical infrastructure cybersecurity companies based in Montreal, Canada65
- Critical infrastructure cybersecurity companies based in Chennai, India64
- Critical infrastructure cybersecurity companies based in Istanbul, Türkiye64
- Critical infrastructure cybersecurity companies based in Austin, United States57
- Critical infrastructure cybersecurity companies based in Miami, United States57
- Critical infrastructure cybersecurity companies based in Noida, India53
- Critical infrastructure cybersecurity companies based in Tampa, United States53
- Critical infrastructure cybersecurity companies based in Gurgaon, India52
- Critical infrastructure cybersecurity companies based in Warsaw, Poland51
- Critical infrastructure cybersecurity companies based in Dallas, United States50
- Critical infrastructure cybersecurity companies based in Ahmedabad, India48
- Critical infrastructure cybersecurity companies based in Chicago, United States48
- Critical infrastructure cybersecurity companies based in Tel Aviv, Israel47
- Critical infrastructure cybersecurity companies based in Santiago, Chile46
- Critical infrastructure cybersecurity companies based in Mexico City, Mexico45
- Critical infrastructure cybersecurity companies based in Johannesburg, South Africa43
- Critical infrastructure cybersecurity companies based in Calgary, Canada41
- Critical infrastructure cybersecurity companies based in Los Angeles, United States41
- Critical infrastructure cybersecurity companies based in Ottawa, Canada41
- Critical infrastructure cybersecurity companies based in Arlington, United States40
- Critical infrastructure cybersecurity companies based in San Francisco, United States40
- Critical infrastructure cybersecurity companies based in Stockholm, Sweden40
- Critical infrastructure cybersecurity companies based in Barcelona, Spain39
- Critical infrastructure cybersecurity companies based in Bogota, Colombia39
- Critical infrastructure cybersecurity companies based in Berlin, Germany38
- Critical infrastructure cybersecurity companies based in Brisbane, Australia38
- Critical infrastructure cybersecurity companies based in Columbia, United States38
- Critical infrastructure cybersecurity companies based in Rome, Italy38
- Critical infrastructure cybersecurity companies based in Buenos Aires, Argentina37
- Critical infrastructure cybersecurity companies based in San Diego, United States36
- Critical infrastructure cybersecurity companies based in Denver, United States35
- Critical infrastructure cybersecurity companies based in Manchester, United Kingdom35
- Critical infrastructure cybersecurity companies based in Orlando, United States35
- Critical infrastructure cybersecurity companies based in Phoenix, United States35
- Critical infrastructure cybersecurity companies based in Charlotte, United States33
- Critical infrastructure cybersecurity companies based in San Antonio, United States32
- Critical infrastructure cybersecurity companies based in Canberra, Australia31
- Critical infrastructure cybersecurity companies based in Las Vegas, United States31
- Critical infrastructure cybersecurity companies based in Prague, Czechia31
- Critical infrastructure cybersecurity companies based in Reston, United States31
- Critical infrastructure cybersecurity companies based in Munich, Germany30
- Critical infrastructure cybersecurity companies based in Boston, United States29
- Critical infrastructure cybersecurity companies based in Jakarta, Indonesia29
- Critical infrastructure cybersecurity companies based in Perth, Australia29
- Critical infrastructure cybersecurity companies based in Ankara, Türkiye28
- Critical infrastructure cybersecurity companies based in Baltimore, United States28
- Critical infrastructure cybersecurity companies based in Bucharest, Romania28
- Critical infrastructure cybersecurity companies based in Huntsville, United States28
- Critical infrastructure cybersecurity companies based in Alexandria, United States27
- Critical infrastructure cybersecurity companies based in Auckland, New Zealand27
- Critical infrastructure cybersecurity companies based in Fairfax, United States27
- Critical infrastructure cybersecurity companies based in Tallinn, Estonia27
- Critical infrastructure cybersecurity companies based in Quito, Ecuador26
- Critical infrastructure cybersecurity companies based in Rio De Janeiro, Brazil26
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 cybersecurity companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many critical infrastructure cybersecurity companies are there worldwide?
RevenueBase identified 15,521 company matches for critical infrastructure cybersecurity companies 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?
Palo Alto Networks tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most critical infrastructure cybersecurity companies?
The United States leads with 3,731 companies, followed by India (1,230) and the United Kingdom (978). Every critical infrastructure cybersecurity companies list by country and city is linked on this page.
Which city has the most critical infrastructure cybersecurity companies?
London leads with 394 company records, followed by Dubai (172) and Paris (145).
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 89,603 professional contacts with verified work emails tracked across these 15,521 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.
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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 cybersecurity companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 15,521 matching company records for critical infrastructure cybersecurity companies worldwide, with 275,166 tracked contacts and 89,603 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 critical infrastructure cybersecurity companies 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 | HQ: Santa Clara, United StatesReported employees: 10001+ | Santa Clara, United States | 10001+ | Exact match | 21,906 contacts → |
“Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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. | |||||
| 3 | HQ: San Jose, CA, United StatesReported employees: 10001+ | San Jose, CA, United States | 10001+ | Exact match | 11,878 contacts → |
“Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Abingdon, United KingdomReported employees: 5,001-10,000 | Abingdon, United Kingdom | 5,001-10,000 | Exact match | 5,283 contacts → |
“Sophos, a global cybersecurity leader, defends more than organizations worldwide with Sophos Fusion, the industry's first and most complete AI-native cybersecurity defense system…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Nanterre, FranceReported employees: 1,001-5,000 | Nanterre, France | 1,001-5,000 | Exact match | 3,977 contacts → |
“Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Plano, TX, United StatesReported employees: 1,001-5,000 | Plano, TX, United States | 1,001-5,000 | Exact match | 3,510 contacts → |
“Trellix is a global cybersecurity company delivering intelligence-led cyber resilience for security-conscious organizations at any stage of their journey.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Leawood, KS, United StatesReported employees: 1,001-5,000 | Leawood, KS, United States | 1,001-5,000 | Exact match | 2,171 contacts → |
“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Morrisville, NC, United StatesReported employees: 1,001-5,000 | Morrisville, NC, United States | 1,001-5,000 | Exact match | 2,063 contacts → |
“N-able’s mission is to protect businesses against evolving cyberthreats with a unified cyber resiliency platform to manage, secure, and recover.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,928 contacts → |
“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 1,859 contacts → |
“Inspira Enterprise is a global Cybersecurity & Data Analytics & AI services provider with a presence in North America, ASEAN, Middle East, India, and Africa regions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Al Nakheel, Saudi ArabiaReported employees: 501-1,000 | Al Nakheel, Saudi Arabia | 501-1,000 | Exact match | 1,514 contacts → |
“We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Ballerup, DenmarkReported employees: 1,001-5,000 | Ballerup, Denmark | 1,001-5,000 | Exact match | 1,482 contacts → |
“We’re here to provide digital infrastructure that helps companies and institutions steer a straight course.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 1,413 contacts → |
“Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,346 contacts → |
“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Tampa, FL, United StatesReported employees: 501-1,000 | Tampa, FL, United States | 501-1,000 | Exact match | 1,192 contacts → |
“OPSWAT protects critical infrastructure.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 1,171 contacts → |
“Exclusive Networks is a global trusted cybersecurity specialist for digital infrastructure helping to drive the transition to a totally trusted digital future for all people and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Hoofddorp, MN, NetherlandsReported employees: 1,001-5,000 | Hoofddorp, MN, Netherlands | 1,001-5,000 | Exact match | 1,091 contacts → |
“Irdeto, a CANAL+ company, is the world leader in digital platform cybersecurity, empowering businesses to innovate for a secure, connected future.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Kuala, SingaporeReported employees: 501-1,000 | Kuala, Singapore | 501-1,000 | Exact match | 989 contacts → |
“Ensign InfoSecurity is the largest pure-play end-to-end cybersecurity service provider in Asia.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Hod-hasharon, IsraelReported employees: 501-1,000 | Hod-hasharon, Israel | 501-1,000 | Exact match | 894 contacts → |
“Allot Ltd.(NASDAQ: ALLT, TASE: ALLT) is a provider of leading innovative converged cybersecurity solutions and network intelligence for service providers and enterprises…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: New York, United StatesReported employees: 501-1,000 | New York, United States | 501-1,000 | Exact match | 779 contacts → |
“Claroty has redefined cyber-physical systems (CPS) protection with an unrivaled industry-centric platform built to secure mission-critical infrastructure.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Bangalore, IndiaReported employees: 1,001-5,000 | Bangalore, India | 1,001-5,000 | Exact match | 755 contacts → |
“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 733 contacts → |
“Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Mumbai, IndiaReported employees: 501-1,000 | Mumbai, India | 501-1,000 | Exact match | 733 contacts → |
“With 35 years of experience, Softcell Technologies Global is a trusted IT services provider specialising in (i) IT security and cybersecurity solutions,(ii) cloud / on-premise…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Valencia, SpainReported employees: 501-1,000 | Valencia, Spain | 501-1,000 | Exact match | 729 contacts → |
“We are a European company specialising in cybersecurity, cyberintelligence and cyberdefence, with more than 20 years of experience protecting critical infrastructures and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 687 contacts → |
“I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 15,521 company matches
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Critical infrastructure cybersecurity companies: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
15,491 records in the displayed employee bands.
30 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 15,521 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Critical infrastructure cybersecurity companies by location
126 lists · largest firstEvery Critical infrastructure cybersecurity companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure cybersecurity companies based in the United States3,731
- Critical infrastructure cybersecurity companies based in India1,230
- Critical infrastructure cybersecurity companies based in the United Kingdom978
- Critical infrastructure cybersecurity companies based in France524
- Critical infrastructure cybersecurity companies based in Australia503
- Critical infrastructure cybersecurity companies based in Canada487
- Critical infrastructure cybersecurity companies based in Brazil397
- Critical infrastructure cybersecurity companies based in Germany384
- Critical infrastructure cybersecurity companies based in the Netherlands286
- Critical infrastructure cybersecurity companies based in the United Arab Emirates270
- Critical infrastructure cybersecurity companies based in Spain252
- Critical infrastructure cybersecurity companies based in Italy240
- Critical infrastructure cybersecurity companies based in Mexico195
- Critical infrastructure cybersecurity companies based in Israel180
- Critical infrastructure cybersecurity companies based in Türkiye169
- Critical infrastructure cybersecurity companies based in South Africa157
- Critical infrastructure cybersecurity companies based in Switzerland148
- Critical infrastructure cybersecurity companies based in Saudi Arabia135
- Critical infrastructure cybersecurity companies based in Poland132
- Critical infrastructure cybersecurity companies based in Chile123
- Critical infrastructure cybersecurity companies based in Belgium116
- Critical infrastructure cybersecurity companies based in Colombia115
- Critical infrastructure cybersecurity companies based in Nigeria103
- Critical infrastructure cybersecurity companies based in Sweden103
- Critical infrastructure cybersecurity companies based in Indonesia90
- Critical infrastructure cybersecurity companies based in Singapore87
- Critical infrastructure cybersecurity companies based in Argentina75
- Critical infrastructure cybersecurity companies based in Austria62
- Critical infrastructure cybersecurity companies based in New Zealand59
- Critical infrastructure cybersecurity companies based in Czechia58
- Critical infrastructure cybersecurity companies based in Romania58
- Critical infrastructure cybersecurity companies based in Morocco55
- Critical infrastructure cybersecurity companies based in Bangladesh52
- Critical infrastructure cybersecurity companies based in Malaysia52
- Critical infrastructure cybersecurity companies based in Denmark51
- Critical infrastructure cybersecurity companies based in Ireland46
- Critical infrastructure cybersecurity companies based in Ecuador45
- Critical infrastructure cybersecurity companies based in Egypt44
- Critical infrastructure cybersecurity companies based in Portugal44
- Critical infrastructure cybersecurity companies based in Ukraine43
- Critical infrastructure cybersecurity companies based in Finland42
- Critical infrastructure cybersecurity companies based in Greece41
- Critical infrastructure cybersecurity companies based in Peru41
- Critical infrastructure cybersecurity companies based in the Philippines41
- Critical infrastructure cybersecurity companies based in Thailand37
- Critical infrastructure cybersecurity companies based in Estonia35
- Critical infrastructure cybersecurity companies based in Bulgaria34
- Critical infrastructure cybersecurity companies based in Japan33
- Critical infrastructure cybersecurity companies based in Qatar33
- Critical infrastructure cybersecurity companies based in Norway29
- Critical infrastructure cybersecurity companies based in Slovakia29
- Critical infrastructure cybersecurity companies based in Hungary28
- Critical infrastructure cybersecurity companies based in Luxembourg25
Cities
- Critical infrastructure cybersecurity companies based in London, United Kingdom386
- Critical infrastructure cybersecurity companies based in Dubai, United Arab Emirates171
- Critical infrastructure cybersecurity companies based in Paris, France145
- Critical infrastructure cybersecurity companies based in Bangalore, India136
- Critical infrastructure cybersecurity companies based in Sao Paulo, Brazil136
- Critical infrastructure cybersecurity companies based in New York, United States131
- Critical infrastructure cybersecurity companies based in Hyderabad, India106
- Critical infrastructure cybersecurity companies based in Melbourne, Australia102
- Critical infrastructure cybersecurity companies based in Pune, India99
- Critical infrastructure cybersecurity companies based in Toronto, Canada98
- Critical infrastructure cybersecurity companies based in Sydney, Australia93
- Critical infrastructure cybersecurity companies based in Riyadh, Saudi Arabia92
- Critical infrastructure cybersecurity companies based in Mumbai, India86
- Critical infrastructure cybersecurity companies based in New Delhi, India75
- Critical infrastructure cybersecurity companies based in Singapore, Singapore75
- Critical infrastructure cybersecurity companies based in Houston, United States74
- Critical infrastructure cybersecurity companies based in Atlanta, United States72
- Critical infrastructure cybersecurity companies based in Madrid, Spain71
- Critical infrastructure cybersecurity companies based in Washington, United States70
- Critical infrastructure cybersecurity companies based in Montreal, Canada65
- Critical infrastructure cybersecurity companies based in Chennai, India64
- Critical infrastructure cybersecurity companies based in Istanbul, Türkiye64
- Critical infrastructure cybersecurity companies based in Austin, United States57
- Critical infrastructure cybersecurity companies based in Miami, United States57
- Critical infrastructure cybersecurity companies based in Noida, India53
- Critical infrastructure cybersecurity companies based in Tampa, United States53
- Critical infrastructure cybersecurity companies based in Gurgaon, India52
- Critical infrastructure cybersecurity companies based in Warsaw, Poland51
- Critical infrastructure cybersecurity companies based in Dallas, United States50
- Critical infrastructure cybersecurity companies based in Ahmedabad, India48
- Critical infrastructure cybersecurity companies based in Chicago, United States48
- Critical infrastructure cybersecurity companies based in Tel Aviv, Israel47
- Critical infrastructure cybersecurity companies based in Santiago, Chile46
- Critical infrastructure cybersecurity companies based in Mexico City, Mexico45
- Critical infrastructure cybersecurity companies based in Johannesburg, South Africa43
- Critical infrastructure cybersecurity companies based in Calgary, Canada41
- Critical infrastructure cybersecurity companies based in Los Angeles, United States41
- Critical infrastructure cybersecurity companies based in Ottawa, Canada41
- Critical infrastructure cybersecurity companies based in Arlington, United States40
- Critical infrastructure cybersecurity companies based in San Francisco, United States40
- Critical infrastructure cybersecurity companies based in Stockholm, Sweden40
- Critical infrastructure cybersecurity companies based in Barcelona, Spain39
- Critical infrastructure cybersecurity companies based in Bogota, Colombia39
- Critical infrastructure cybersecurity companies based in Berlin, Germany38
- Critical infrastructure cybersecurity companies based in Brisbane, Australia38
- Critical infrastructure cybersecurity companies based in Columbia, United States38
- Critical infrastructure cybersecurity companies based in Rome, Italy38
- Critical infrastructure cybersecurity companies based in Buenos Aires, Argentina37
- Critical infrastructure cybersecurity companies based in San Diego, United States36
- Critical infrastructure cybersecurity companies based in Denver, United States35
- Critical infrastructure cybersecurity companies based in Manchester, United Kingdom35
- Critical infrastructure cybersecurity companies based in Orlando, United States35
- Critical infrastructure cybersecurity companies based in Phoenix, United States35
- Critical infrastructure cybersecurity companies based in Charlotte, United States33
- Critical infrastructure cybersecurity companies based in San Antonio, United States32
- Critical infrastructure cybersecurity companies based in Canberra, Australia31
- Critical infrastructure cybersecurity companies based in Las Vegas, United States31
- Critical infrastructure cybersecurity companies based in Prague, Czechia31
- Critical infrastructure cybersecurity companies based in Reston, United States31
- Critical infrastructure cybersecurity companies based in Munich, Germany30
- Critical infrastructure cybersecurity companies based in Boston, United States29
- Critical infrastructure cybersecurity companies based in Jakarta, Indonesia29
- Critical infrastructure cybersecurity companies based in Perth, Australia29
- Critical infrastructure cybersecurity companies based in Ankara, Türkiye28
- Critical infrastructure cybersecurity companies based in Baltimore, United States28
- Critical infrastructure cybersecurity companies based in Bucharest, Romania28
- Critical infrastructure cybersecurity companies based in Huntsville, United States28
- Critical infrastructure cybersecurity companies based in Alexandria, United States27
- Critical infrastructure cybersecurity companies based in Auckland, New Zealand27
- Critical infrastructure cybersecurity companies based in Fairfax, United States27
- Critical infrastructure cybersecurity companies based in Tallinn, Estonia27
- Critical infrastructure cybersecurity companies based in Quito, Ecuador26
- Critical infrastructure cybersecurity companies based in Rio De Janeiro, Brazil26
Questions about this company list
What does Exact match mean for critical infrastructure cybersecurity companies?
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 cybersecurity companies did RevenueBase find worldwide?
The saved snapshot records 15,521 matching company records, 275,166 tracked contacts and 89,603 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 critical infrastructure cybersecurity companies worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/critical-infrastructure-cybersecurity-companies.
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 cybersecurity companies worldwide
RevenueBase records 15,521 matching company records for critical infrastructure cybersecurity companies worldwide, with 275,166 tracked contacts and 89,603 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 critical infrastructure cybersecurity companies 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 | HQ: Santa Clara, United StatesReported employees: 10001+ | Santa Clara, United States | 10001+ | Exact match | 21,906 contacts → |
“Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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. | |||||
| 3 | HQ: San Jose, CA, United StatesReported employees: 10001+ | San Jose, CA, United States | 10001+ | Exact match | 11,878 contacts → |
“Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Abingdon, United KingdomReported employees: 5,001-10,000 | Abingdon, United Kingdom | 5,001-10,000 | Exact match | 5,283 contacts → |
“Sophos, a global cybersecurity leader, defends more than organizations worldwide with Sophos Fusion, the industry's first and most complete AI-native cybersecurity defense system…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Nanterre, FranceReported employees: 1,001-5,000 | Nanterre, France | 1,001-5,000 | Exact match | 3,977 contacts → |
“Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Plano, TX, United StatesReported employees: 1,001-5,000 | Plano, TX, United States | 1,001-5,000 | Exact match | 3,510 contacts → |
“Trellix is a global cybersecurity company delivering intelligence-led cyber resilience for security-conscious organizations at any stage of their journey.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Leawood, KS, United StatesReported employees: 1,001-5,000 | Leawood, KS, United States | 1,001-5,000 | Exact match | 2,171 contacts → |
“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Morrisville, NC, United StatesReported employees: 1,001-5,000 | Morrisville, NC, United States | 1,001-5,000 | Exact match | 2,063 contacts → |
“N-able’s mission is to protect businesses against evolving cyberthreats with a unified cyber resiliency platform to manage, secure, and recover.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Herndon, VA, United StatesReported employees: 10001+ | Herndon, VA, United States | 10001+ | Exact match | 1,928 contacts → |
“Paragon Systems employs over 10,500 professionals in specialized operations providing security, fire, investigations, inspections, cybersecurity, risk management, and mission…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 1,859 contacts → |
“Inspira Enterprise is a global Cybersecurity & Data Analytics & AI services provider with a presence in North America, ASEAN, Middle East, India, and Africa regions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Al Nakheel, Saudi ArabiaReported employees: 501-1,000 | Al Nakheel, Saudi Arabia | 501-1,000 | Exact match | 1,514 contacts → |
“We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Ballerup, DenmarkReported employees: 1,001-5,000 | Ballerup, Denmark | 1,001-5,000 | Exact match | 1,482 contacts → |
“We’re here to provide digital infrastructure that helps companies and institutions steer a straight course.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 1,413 contacts → |
“Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,346 contacts → |
“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Tampa, FL, United StatesReported employees: 501-1,000 | Tampa, FL, United States | 501-1,000 | Exact match | 1,192 contacts → |
“OPSWAT protects critical infrastructure.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 1,171 contacts → |
“Exclusive Networks is a global trusted cybersecurity specialist for digital infrastructure helping to drive the transition to a totally trusted digital future for all people and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Hoofddorp, MN, NetherlandsReported employees: 1,001-5,000 | Hoofddorp, MN, Netherlands | 1,001-5,000 | Exact match | 1,091 contacts → |
“Irdeto, a CANAL+ company, is the world leader in digital platform cybersecurity, empowering businesses to innovate for a secure, connected future.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Kuala, SingaporeReported employees: 501-1,000 | Kuala, Singapore | 501-1,000 | Exact match | 989 contacts → |
“Ensign InfoSecurity is the largest pure-play end-to-end cybersecurity service provider in Asia.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Hod-hasharon, IsraelReported employees: 501-1,000 | Hod-hasharon, Israel | 501-1,000 | Exact match | 894 contacts → |
“Allot Ltd.(NASDAQ: ALLT, TASE: ALLT) is a provider of leading innovative converged cybersecurity solutions and network intelligence for service providers and enterprises…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: New York, United StatesReported employees: 501-1,000 | New York, United States | 501-1,000 | Exact match | 779 contacts → |
“Claroty has redefined cyber-physical systems (CPS) protection with an unrivaled industry-centric platform built to secure mission-critical infrastructure.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Bangalore, IndiaReported employees: 1,001-5,000 | Bangalore, India | 1,001-5,000 | Exact match | 755 contacts → |
“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 733 contacts → |
“Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Mumbai, IndiaReported employees: 501-1,000 | Mumbai, India | 501-1,000 | Exact match | 733 contacts → |
“With 35 years of experience, Softcell Technologies Global is a trusted IT services provider specialising in (i) IT security and cybersecurity solutions,(ii) cloud / on-premise…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Valencia, SpainReported employees: 501-1,000 | Valencia, Spain | 501-1,000 | Exact match | 729 contacts → |
“We are a European company specialising in cybersecurity, cyberintelligence and cyberdefence, with more than 20 years of experience protecting critical infrastructures and…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 687 contacts → |
“I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 15,521 company matches
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Critical infrastructure cybersecurity companies: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
15,491 records in the displayed employee bands.
30 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 15,521 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗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 cybersecurity companies by location
126 lists · largest firstEvery Critical infrastructure cybersecurity companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure cybersecurity companies based in the United States3,731
- Critical infrastructure cybersecurity companies based in India1,230
- Critical infrastructure cybersecurity companies based in the United Kingdom978
- Critical infrastructure cybersecurity companies based in France524
- Critical infrastructure cybersecurity companies based in Australia503
- Critical infrastructure cybersecurity companies based in Canada487
- Critical infrastructure cybersecurity companies based in Brazil397
- Critical infrastructure cybersecurity companies based in Germany384
- Critical infrastructure cybersecurity companies based in the Netherlands286
- Critical infrastructure cybersecurity companies based in the United Arab Emirates270
- Critical infrastructure cybersecurity companies based in Spain252
- Critical infrastructure cybersecurity companies based in Italy240
- Critical infrastructure cybersecurity companies based in Mexico195
- Critical infrastructure cybersecurity companies based in Israel180
- Critical infrastructure cybersecurity companies based in Türkiye169
- Critical infrastructure cybersecurity companies based in South Africa157
- Critical infrastructure cybersecurity companies based in Switzerland148
- Critical infrastructure cybersecurity companies based in Saudi Arabia135
- Critical infrastructure cybersecurity companies based in Poland132
- Critical infrastructure cybersecurity companies based in Chile123
- Critical infrastructure cybersecurity companies based in Belgium116
- Critical infrastructure cybersecurity companies based in Colombia115
- Critical infrastructure cybersecurity companies based in Nigeria103
- Critical infrastructure cybersecurity companies based in Sweden103
- Critical infrastructure cybersecurity companies based in Indonesia90
- Critical infrastructure cybersecurity companies based in Singapore87
- Critical infrastructure cybersecurity companies based in Argentina75
- Critical infrastructure cybersecurity companies based in Austria62
- Critical infrastructure cybersecurity companies based in New Zealand59
- Critical infrastructure cybersecurity companies based in Czechia58
- Critical infrastructure cybersecurity companies based in Romania58
- Critical infrastructure cybersecurity companies based in Morocco55
- Critical infrastructure cybersecurity companies based in Bangladesh52
- Critical infrastructure cybersecurity companies based in Malaysia52
- Critical infrastructure cybersecurity companies based in Denmark51
- Critical infrastructure cybersecurity companies based in Ireland46
- Critical infrastructure cybersecurity companies based in Ecuador45
- Critical infrastructure cybersecurity companies based in Egypt44
- Critical infrastructure cybersecurity companies based in Portugal44
- Critical infrastructure cybersecurity companies based in Ukraine43
- Critical infrastructure cybersecurity companies based in Finland42
- Critical infrastructure cybersecurity companies based in Greece41
- Critical infrastructure cybersecurity companies based in Peru41
- Critical infrastructure cybersecurity companies based in the Philippines41
- Critical infrastructure cybersecurity companies based in Thailand37
- Critical infrastructure cybersecurity companies based in Estonia35
- Critical infrastructure cybersecurity companies based in Bulgaria34
- Critical infrastructure cybersecurity companies based in Japan33
- Critical infrastructure cybersecurity companies based in Qatar33
- Critical infrastructure cybersecurity companies based in Norway29
- Critical infrastructure cybersecurity companies based in Slovakia29
- Critical infrastructure cybersecurity companies based in Hungary28
- Critical infrastructure cybersecurity companies based in Luxembourg25
Cities
- Critical infrastructure cybersecurity companies based in London, United Kingdom386
- Critical infrastructure cybersecurity companies based in Dubai, United Arab Emirates171
- Critical infrastructure cybersecurity companies based in Paris, France145
- Critical infrastructure cybersecurity companies based in Bangalore, India136
- Critical infrastructure cybersecurity companies based in Sao Paulo, Brazil136
- Critical infrastructure cybersecurity companies based in New York, United States131
- Critical infrastructure cybersecurity companies based in Hyderabad, India106
- Critical infrastructure cybersecurity companies based in Melbourne, Australia102
- Critical infrastructure cybersecurity companies based in Pune, India99
- Critical infrastructure cybersecurity companies based in Toronto, Canada98
- Critical infrastructure cybersecurity companies based in Sydney, Australia93
- Critical infrastructure cybersecurity companies based in Riyadh, Saudi Arabia92
- Critical infrastructure cybersecurity companies based in Mumbai, India86
- Critical infrastructure cybersecurity companies based in New Delhi, India75
- Critical infrastructure cybersecurity companies based in Singapore, Singapore75
- Critical infrastructure cybersecurity companies based in Houston, United States74
- Critical infrastructure cybersecurity companies based in Atlanta, United States72
- Critical infrastructure cybersecurity companies based in Madrid, Spain71
- Critical infrastructure cybersecurity companies based in Washington, United States70
- Critical infrastructure cybersecurity companies based in Montreal, Canada65
- Critical infrastructure cybersecurity companies based in Chennai, India64
- Critical infrastructure cybersecurity companies based in Istanbul, Türkiye64
- Critical infrastructure cybersecurity companies based in Austin, United States57
- Critical infrastructure cybersecurity companies based in Miami, United States57
- Critical infrastructure cybersecurity companies based in Noida, India53
- Critical infrastructure cybersecurity companies based in Tampa, United States53
- Critical infrastructure cybersecurity companies based in Gurgaon, India52
- Critical infrastructure cybersecurity companies based in Warsaw, Poland51
- Critical infrastructure cybersecurity companies based in Dallas, United States50
- Critical infrastructure cybersecurity companies based in Ahmedabad, India48
- Critical infrastructure cybersecurity companies based in Chicago, United States48
- Critical infrastructure cybersecurity companies based in Tel Aviv, Israel47
- Critical infrastructure cybersecurity companies based in Santiago, Chile46
- Critical infrastructure cybersecurity companies based in Mexico City, Mexico45
- Critical infrastructure cybersecurity companies based in Johannesburg, South Africa43
- Critical infrastructure cybersecurity companies based in Calgary, Canada41
- Critical infrastructure cybersecurity companies based in Los Angeles, United States41
- Critical infrastructure cybersecurity companies based in Ottawa, Canada41
- Critical infrastructure cybersecurity companies based in Arlington, United States40
- Critical infrastructure cybersecurity companies based in San Francisco, United States40
- Critical infrastructure cybersecurity companies based in Stockholm, Sweden40
- Critical infrastructure cybersecurity companies based in Barcelona, Spain39
- Critical infrastructure cybersecurity companies based in Bogota, Colombia39
- Critical infrastructure cybersecurity companies based in Berlin, Germany38
- Critical infrastructure cybersecurity companies based in Brisbane, Australia38
- Critical infrastructure cybersecurity companies based in Columbia, United States38
- Critical infrastructure cybersecurity companies based in Rome, Italy38
- Critical infrastructure cybersecurity companies based in Buenos Aires, Argentina37
- Critical infrastructure cybersecurity companies based in San Diego, United States36
- Critical infrastructure cybersecurity companies based in Denver, United States35
- Critical infrastructure cybersecurity companies based in Manchester, United Kingdom35
- Critical infrastructure cybersecurity companies based in Orlando, United States35
- Critical infrastructure cybersecurity companies based in Phoenix, United States35
- Critical infrastructure cybersecurity companies based in Charlotte, United States33
- Critical infrastructure cybersecurity companies based in San Antonio, United States32
- Critical infrastructure cybersecurity companies based in Canberra, Australia31
- Critical infrastructure cybersecurity companies based in Las Vegas, United States31
- Critical infrastructure cybersecurity companies based in Prague, Czechia31
- Critical infrastructure cybersecurity companies based in Reston, United States31
- Critical infrastructure cybersecurity companies based in Munich, Germany30
- Critical infrastructure cybersecurity companies based in Boston, United States29
- Critical infrastructure cybersecurity companies based in Jakarta, Indonesia29
- Critical infrastructure cybersecurity companies based in Perth, Australia29
- Critical infrastructure cybersecurity companies based in Ankara, Türkiye28
- Critical infrastructure cybersecurity companies based in Baltimore, United States28
- Critical infrastructure cybersecurity companies based in Bucharest, Romania28
- Critical infrastructure cybersecurity companies based in Huntsville, United States28
- Critical infrastructure cybersecurity companies based in Alexandria, United States27
- Critical infrastructure cybersecurity companies based in Auckland, New Zealand27
- Critical infrastructure cybersecurity companies based in Fairfax, United States27
- Critical infrastructure cybersecurity companies based in Tallinn, Estonia27
- Critical infrastructure cybersecurity companies based in Quito, Ecuador26
- Critical infrastructure cybersecurity companies based in Rio De Janeiro, Brazil26
Questions about this company list
What does Exact match mean for critical infrastructure cybersecurity companies?
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 cybersecurity companies did RevenueBase find worldwide?
The saved snapshot records 15,521 matching company records, 275,166 tracked contacts and 89,603 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 critical infrastructure cybersecurity companies worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/critical-infrastructure-cybersecurity-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗