Company lists · Data refreshed September 2026
Top 25 Critical infrastructure protection software companies worldwide
RevenueBase identified 3,214 company matches for critical infrastructure protection software companies worldwide as of September 2026 and tracks 92,415 professional contacts across them, including 35,527 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 software 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 September 27, 2026. Country and city lists for critical infrastructure protection software 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 protection software companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 14,289 contacts → | ||||
Exact match “Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 4,252 contacts → | ||||
Exact match “Landis+Gyr is a global energy technology leader delivering intelligent solutions that connect devices, data, and decisions across the grid.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 3,447 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 · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 2,083 contacts → | ||||
Exact match “Acronis is a global cyber protection company delivering the only natively integrated cybersecurity, data protection, and infrastructure management platform for managed service…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 1,850 contacts → | ||||
Exact match “We provide the data that drives observability, fortifies cybersecurity, and keeps the world's most essential organizations resilient against disruptions of any kind.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 1,527 contacts → | ||||
Exact match “Hansen Technologies (ASX:HSN) is a global software and services provider to the energy, water/utilities and telecommunications industries.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 1,231 contacts → | ||||
Exact match “PAS, part of Hexagon's Asset Lifecycle Intelligence division, delivers software solutions that prevent, detect, & remediate cyber threats, reduce process safety risks, and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 1,217 contacts → | ||||
Exact match “On Dec.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 1,119 contacts → | ||||
Exact match “OPSWAT protects critical infrastructure.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 743 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 · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 725 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 · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 683 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 · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 658 contacts → | ||||
Exact match “Founded in Shenzhen, China in 1993, Hytera Communications Corporation Limited (002583.SZ) is a closely-held privately-run company listed on the Shenzhen Stock Exchange.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 638 contacts → | ||||
Exact match “Enea is a global specialist in advanced telecom and cybersecurity software, with a vision to make the world’s communications safer and more efficient.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 636 contacts → | ||||
Exact match “Everfox delivers trusted connectivity to protect the world's most critical environments, safeguarding the sensitive information behind decision advantage.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 623 contacts → | ||||
Exact match “secunet – We are the Guardians of Europe's Digital Freedom.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 602 contacts → | ||||
Exact match “Kontrolmatik provides a broad spectrum of services to industries including- LV/MV/HV Solutions- SCADA and Automation- Communication- Balance of Plant- Consulting- ICS…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 593 contacts → | ||||
Exact match “We are a European cybersecurity company that helps businesses secure critical data and communications between systems, automated applications, and people with defensive…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 589 contacts → | ||||
Exact match “For us, sustainable development begins with setting some of the highest standards in energy management and protection – the faster, the better.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 586 contacts → | ||||
Exact match “Advens is a European, independent and outstanding leader in cybersecurity.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 551 contacts → | ||||
Exact match “Dragos provides the most effective OT cybersecurity technology for industrial and critical infrastructure to deliver on our global mission: to safeguard civilization.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 538 contacts → | ||||
Exact match “Raycap is a privately-held technology solutions provider offering products and services that support and protect the world’s critical telecommunications, energy, transportation…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 494 contacts → | ||||
Exact match “Qualitrol is a global leader in electrical grid monitoring solutions for businesses that manage, operate, or support the power grid.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 493 contacts → | ||||
Exact match “World-class leading edge cyber capabilities to enable and protect economic and physical critical infrastructure and government services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 410 contacts → | ||||
Exact match “A global leader in Homeland Security (HLS), Communication Infrastructure and Defense Communications, with decades of experience delivering holistic, customized solutions.” Recorded in the RevenueBase company graph · Sep 27, 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 software 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 3,214 critical infrastructure protection software companies worldwide
See the full list, filter by size, metro and specialty, and access 35,527 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Critical infrastructure protection software companies worldwide at a glance
As of Sep 27, 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 software companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “critical infrastructure protection software 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 35,527 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 September 27, 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 software companies by location
24 lists · largest firstEvery Critical infrastructure protection software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure protection software companies based in the United States656
- Critical infrastructure protection software companies based in Brazil171
- Critical infrastructure protection software companies based in India160
- Critical infrastructure protection software companies based in the United Kingdom138
- Critical infrastructure protection software companies based in Germany112
- Critical infrastructure protection software companies based in France107
- Critical infrastructure protection software companies based in Canada84
- Critical infrastructure protection software companies based in Italy72
- Critical infrastructure protection software companies based in the United Arab Emirates65
- Critical infrastructure protection software companies based in Australia64
- Critical infrastructure protection software companies based in Spain64
- Critical infrastructure protection software companies based in Israel57
- Critical infrastructure protection software companies based in Türkiye55
- Critical infrastructure protection software companies based in the Netherlands53
- Critical infrastructure protection software companies based in Mexico50
- Critical infrastructure protection software companies based in Poland33
- Critical infrastructure protection software companies based in Chile32
- Critical infrastructure protection software companies based in Saudi Arabia29
- Critical infrastructure protection software companies based in South Africa29
- Critical infrastructure protection software companies based in Sweden28
- Critical infrastructure protection software companies based in Switzerland26
Cities
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “critical infrastructure protection software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many critical infrastructure protection software companies are there worldwide?
RevenueBase identified 3,214 company matches for critical infrastructure protection software companies worldwide as of September 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?
Fortinet 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 software companies?
The United States leads with 656 companies, followed by Brazil (171) and India (160). Every critical infrastructure protection software companies list by country and city is linked on this page.
Which city has the most critical infrastructure protection software companies?
London leads with 46 company records, followed by Sao Paulo (43) and Dubai (34).
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 35,527 professional contacts with verified work emails tracked across these 3,214 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 September 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,214 critical infrastructure protection software companies 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 software 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 3,214 matching company records for critical infrastructure protection software companies worldwide, with 92,415 tracked contacts and 35,527 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: September 27, 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 software 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 |  Fortinetfortinet.comHQ: Sunnyvale, CA, United StatesReported employees: 10001+ | Sunnyvale, CA, United States | 10001+ | Exact match | 14,289 contacts → |
“Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Landis GYRlandisgyr.comHQ: Cham, SwitzerlandReported employees: 5,001-10,000 | Cham, Switzerland | 5,001-10,000 | Exact match | 4,252 contacts → |
“Landis+Gyr is a global energy technology leader delivering intelligent solutions that connect devices, data, and decisions across the grid.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Trellixtrellix.comHQ: Plano, TX, United StatesReported employees: 1,001-5,000 | Plano, TX, United States | 1,001-5,000 | Exact match | 3,447 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 · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Acronisacronis.comHQ: Schaffhausen, SwitzerlandReported employees: 1,001-5,000 | Schaffhausen, Switzerland | 1,001-5,000 | Exact match | 2,083 contacts → |
“Acronis is a global cyber protection company delivering the only natively integrated cybersecurity, data protection, and infrastructure management platform for managed service…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Netscoutnetscout.comHQ: Westford, MA, United StatesReported employees: 1,001-5,000 | Westford, MA, United States | 1,001-5,000 | Exact match | 1,850 contacts → |
“We provide the data that drives observability, fortifies cybersecurity, and keeps the world's most essential organizations resilient against disruptions of any kind.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Hansen Technologieshansencx.comHQ: Melbourne, AustraliaReported employees: 1,001-5,000 | Melbourne, Australia | 1,001-5,000 | Exact match | 1,527 contacts → |
“Hansen Technologies (ASX:HSN) is a global software and services provider to the energy, water/utilities and telecommunications industries.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  PASpas.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 1,231 contacts → |
“PAS, part of Hexagon's Asset Lifecycle Intelligence division, delivers software solutions that prevent, detect, & remediate cyber threats, reduce process safety risks, and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Impervaimperva.comHQ: Austin, TX, United StatesReported employees: 10001+ | Austin, TX, United States | 10001+ | Exact match | 1,217 contacts → |
“On Dec.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Opswatopswat.comHQ: Tampa, FL, United StatesReported employees: 501-1,000 | Tampa, FL, United States | 501-1,000 | Exact match | 1,119 contacts → |
“OPSWAT protects critical infrastructure.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  SISAsisa.aiHQ: Bengaluru, IndiaReported employees: 201-500 | Bengaluru, India | 201-500 | Exact match | 743 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 · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Clarotyclaroty.comHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 725 contacts → |
“Claroty has redefined cyber-physical systems (CPS) protection with an unrivaled industry-centric platform built to secure mission-critical infrastructure.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  S2grupos2grupo.esHQ: Valencia, SpainReported employees: 501-1,000 | Valencia, Spain | 501-1,000 | Exact match | 683 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 · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Hyterahytera.com HQ: Shenzhen, ChinaReported employees: 5,001-10,000 | Shenzhen, China | 5,001-10,000 | Exact match | 658 contacts → |
“Founded in Shenzhen, China in 1993, Hytera Communications Corporation Limited (002583.SZ) is a closely-held privately-run company listed on the Shenzhen Stock Exchange.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Enea ABenea.comHQ: Stockholm, SwedenReported employees: 501-1,000 | Stockholm, Sweden | 501-1,000 | Exact match | 638 contacts → |
“Enea is a global specialist in advanced telecom and cybersecurity software, with a vision to make the world’s communications safer and more efficient.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Everfoxeverfox.comHQ: Herndon, United StatesReported employees: 1,001-5,000 | Herndon, United States | 1,001-5,000 | Exact match | 636 contacts → |
“Everfox delivers trusted connectivity to protect the world's most critical environments, safeguarding the sensitive information behind decision advantage.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Secunet Security Networks AGsecunet.comHQ: Essen, GermanyReported employees: 1,001-5,000 | Essen, Germany | 1,001-5,000 | Exact match | 623 contacts → |
“secunet – We are the Guardians of Europe's Digital Freedom.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Kontrolmatik Technologieskontrolmatik.comHQ: Sariyer, TürkiyeReported employees: 1,001-5,000 | Sariyer, Türkiye | 1,001-5,000 | Exact match | 602 contacts → |
“Kontrolmatik provides a broad spectrum of services to industries including- LV/MV/HV Solutions- SCADA and Automation- Communication- Balance of Plant- Consulting- ICS…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  SSH Communications Securityssh.comHQ: Helsinki, FinlandReported employees: 51-200 | Helsinki, Finland | 51-200 | Exact match | 593 contacts → |
“We are a European cybersecurity company that helps businesses secure critical data and communications between systems, automated applications, and people with defensive…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  DEIFdeif.comHQ: Skive, DenmarkReported employees: 501-1,000 | Skive, Denmark | 501-1,000 | Exact match | 589 contacts → |
“For us, sustainable development begins with setting some of the highest standards in energy management and protection – the faster, the better.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Advensadvens.comHQ: Paris, ItalyReported employees: 501-1,000 | Paris, Italy | 501-1,000 | Exact match | 586 contacts → |
“Advens is a European, independent and outstanding leader in cybersecurity.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Dragos, INCdragos.comHQ: Hanover, MD, United StatesReported employees: 501-1,000 | Hanover, MD, United States | 501-1,000 | Exact match | 551 contacts → |
“Dragos provides the most effective OT cybersecurity technology for industrial and critical infrastructure to deliver on our global mission: to safeguard civilization.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Raycapraycap.comHQ: Post Falls, ID, United StatesReported employees: 1,001-5,000 | Post Falls, ID, United States | 1,001-5,000 | Exact match | 538 contacts → |
“Raycap is a privately-held technology solutions provider offering products and services that support and protect the world’s critical telecommunications, energy, transportation…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Qualitrolqualitrolcorp.comHQ: Fairport, NY, United StatesReported employees: 501-1,000 | Fairport, NY, United States | 501-1,000 | Exact match | 494 contacts → |
“Qualitrol is a global leader in electrical grid monitoring solutions for businesses that manage, operate, or support the power grid.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Sirar By STCsirar.com.saHQ: Riyadh, Saudi ArabiaReported employees: 201-500 | Riyadh, Saudi Arabia | 201-500 | Exact match | 493 contacts → |
“World-class leading edge cyber capabilities to enable and protect economic and physical critical infrastructure and government services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  MER Groupmer-group.comHQ: Or Yehuda, IsraelReported employees: 501-1,000 | Or Yehuda, Israel | 501-1,000 | Exact match | 410 contacts → |
“A global leader in Homeland Security (HLS), Communication Infrastructure and Defense Communications, with decades of experience delivering holistic, customized solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,214 company matches
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Critical infrastructure protection software companies: dataset insights
September 27, 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
3,206 records in the displayed employee bands.
8 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 3,214 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: September 27, 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 software companies by location
24 lists · largest firstEvery Critical infrastructure protection software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure protection software companies based in the United States656
- Critical infrastructure protection software companies based in Brazil171
- Critical infrastructure protection software companies based in India160
- Critical infrastructure protection software companies based in the United Kingdom138
- Critical infrastructure protection software companies based in Germany112
- Critical infrastructure protection software companies based in France107
- Critical infrastructure protection software companies based in Canada84
- Critical infrastructure protection software companies based in Italy72
- Critical infrastructure protection software companies based in the United Arab Emirates65
- Critical infrastructure protection software companies based in Australia64
- Critical infrastructure protection software companies based in Spain64
- Critical infrastructure protection software companies based in Israel57
- Critical infrastructure protection software companies based in Türkiye55
- Critical infrastructure protection software companies based in the Netherlands53
- Critical infrastructure protection software companies based in Mexico50
- Critical infrastructure protection software companies based in Poland33
- Critical infrastructure protection software companies based in Chile32
- Critical infrastructure protection software companies based in Saudi Arabia29
- Critical infrastructure protection software companies based in South Africa29
- Critical infrastructure protection software companies based in Sweden28
- Critical infrastructure protection software companies based in Switzerland26
Cities
Questions about this company list
What does Exact match mean for critical infrastructure protection software 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 protection software companies did RevenueBase find worldwide?
The saved snapshot records 3,214 matching company records, 92,415 tracked contacts and 35,527 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: September 27, 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 protection software companies worldwide. Snapshot: September 27, 2026. https://revenuebase.ai/companies/browse/critical-infrastructure-protection-software-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 protection software companies worldwide
RevenueBase records 3,214 matching company records for critical infrastructure protection software companies worldwide, with 92,415 tracked contacts and 35,527 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: September 27, 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 software 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 | Fortinetfortinet.com HQ: Sunnyvale, CA, United StatesReported employees: 10001+ | Sunnyvale, CA, United States | 10001+ | Exact match | 14,289 contacts → |
“Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Landis GYRlandisgyr.com HQ: Cham, SwitzerlandReported employees: 5,001-10,000 | Cham, Switzerland | 5,001-10,000 | Exact match | 4,252 contacts → |
“Landis+Gyr is a global energy technology leader delivering intelligent solutions that connect devices, data, and decisions across the grid.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Trellixtrellix.com HQ: Plano, TX, United StatesReported employees: 1,001-5,000 | Plano, TX, United States | 1,001-5,000 | Exact match | 3,447 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 · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Acronisacronis.com HQ: Schaffhausen, SwitzerlandReported employees: 1,001-5,000 | Schaffhausen, Switzerland | 1,001-5,000 | Exact match | 2,083 contacts → |
“Acronis is a global cyber protection company delivering the only natively integrated cybersecurity, data protection, and infrastructure management platform for managed service…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Netscoutnetscout.com HQ: Westford, MA, United StatesReported employees: 1,001-5,000 | Westford, MA, United States | 1,001-5,000 | Exact match | 1,850 contacts → |
“We provide the data that drives observability, fortifies cybersecurity, and keeps the world's most essential organizations resilient against disruptions of any kind.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hansen Technologieshansencx.com HQ: Melbourne, AustraliaReported employees: 1,001-5,000 | Melbourne, Australia | 1,001-5,000 | Exact match | 1,527 contacts → |
“Hansen Technologies (ASX:HSN) is a global software and services provider to the energy, water/utilities and telecommunications industries.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | PASpas.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 1,231 contacts → |
“PAS, part of Hexagon's Asset Lifecycle Intelligence division, delivers software solutions that prevent, detect, & remediate cyber threats, reduce process safety risks, and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Impervaimperva.com HQ: Austin, TX, United StatesReported employees: 10001+ | Austin, TX, United States | 10001+ | Exact match | 1,217 contacts → |
“On Dec.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Opswatopswat.com HQ: Tampa, FL, United StatesReported employees: 501-1,000 | Tampa, FL, United States | 501-1,000 | Exact match | 1,119 contacts → |
“OPSWAT protects critical infrastructure.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | SISAsisa.ai HQ: Bengaluru, IndiaReported employees: 201-500 | Bengaluru, India | 201-500 | Exact match | 743 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 · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Clarotyclaroty.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 725 contacts → |
“Claroty has redefined cyber-physical systems (CPS) protection with an unrivaled industry-centric platform built to secure mission-critical infrastructure.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | S2grupos2grupo.es HQ: Valencia, SpainReported employees: 501-1,000 | Valencia, Spain | 501-1,000 | Exact match | 683 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 · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Hyterahytera.com HQ: Shenzhen, ChinaReported employees: 5,001-10,000 | Shenzhen, China | 5,001-10,000 | Exact match | 658 contacts → |
“Founded in Shenzhen, China in 1993, Hytera Communications Corporation Limited (002583.SZ) is a closely-held privately-run company listed on the Shenzhen Stock Exchange.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Enea ABenea.com HQ: Stockholm, SwedenReported employees: 501-1,000 | Stockholm, Sweden | 501-1,000 | Exact match | 638 contacts → |
“Enea is a global specialist in advanced telecom and cybersecurity software, with a vision to make the world’s communications safer and more efficient.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Everfoxeverfox.com HQ: Herndon, United StatesReported employees: 1,001-5,000 | Herndon, United States | 1,001-5,000 | Exact match | 636 contacts → |
“Everfox delivers trusted connectivity to protect the world's most critical environments, safeguarding the sensitive information behind decision advantage.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Secunet Security Networks AGsecunet.com HQ: Essen, GermanyReported employees: 1,001-5,000 | Essen, Germany | 1,001-5,000 | Exact match | 623 contacts → |
“secunet – We are the Guardians of Europe's Digital Freedom.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Kontrolmatik Technologieskontrolmatik.com HQ: Sariyer, TürkiyeReported employees: 1,001-5,000 | Sariyer, Türkiye | 1,001-5,000 | Exact match | 602 contacts → |
“Kontrolmatik provides a broad spectrum of services to industries including- LV/MV/HV Solutions- SCADA and Automation- Communication- Balance of Plant- Consulting- ICS…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | SSH Communications Securityssh.com HQ: Helsinki, FinlandReported employees: 51-200 | Helsinki, Finland | 51-200 | Exact match | 593 contacts → |
“We are a European cybersecurity company that helps businesses secure critical data and communications between systems, automated applications, and people with defensive…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | DEIFdeif.com HQ: Skive, DenmarkReported employees: 501-1,000 | Skive, Denmark | 501-1,000 | Exact match | 589 contacts → |
“For us, sustainable development begins with setting some of the highest standards in energy management and protection – the faster, the better.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Advensadvens.com HQ: Paris, ItalyReported employees: 501-1,000 | Paris, Italy | 501-1,000 | Exact match | 586 contacts → |
“Advens is a European, independent and outstanding leader in cybersecurity.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Dragos, INCdragos.com HQ: Hanover, MD, United StatesReported employees: 501-1,000 | Hanover, MD, United States | 501-1,000 | Exact match | 551 contacts → |
“Dragos provides the most effective OT cybersecurity technology for industrial and critical infrastructure to deliver on our global mission: to safeguard civilization.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Raycapraycap.com HQ: Post Falls, ID, United StatesReported employees: 1,001-5,000 | Post Falls, ID, United States | 1,001-5,000 | Exact match | 538 contacts → |
“Raycap is a privately-held technology solutions provider offering products and services that support and protect the world’s critical telecommunications, energy, transportation…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Qualitrolqualitrolcorp.com HQ: Fairport, NY, United StatesReported employees: 501-1,000 | Fairport, NY, United States | 501-1,000 | Exact match | 494 contacts → |
“Qualitrol is a global leader in electrical grid monitoring solutions for businesses that manage, operate, or support the power grid.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Sirar By STCsirar.com.sa HQ: Riyadh, Saudi ArabiaReported employees: 201-500 | Riyadh, Saudi Arabia | 201-500 | Exact match | 493 contacts → |
“World-class leading edge cyber capabilities to enable and protect economic and physical critical infrastructure and government services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | MER Groupmer-group.com HQ: Or Yehuda, IsraelReported employees: 501-1,000 | Or Yehuda, Israel | 501-1,000 | Exact match | 410 contacts → |
“A global leader in Homeland Security (HLS), Communication Infrastructure and Defense Communications, with decades of experience delivering holistic, customized solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,214 company matches
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Critical infrastructure protection software companies: dataset insights
September 27, 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
3,206 records in the displayed employee bands.
8 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 3,214 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: September 27, 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 software companies by location
24 lists · largest firstEvery Critical infrastructure protection software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Critical infrastructure protection software companies based in the United States656
- Critical infrastructure protection software companies based in Brazil171
- Critical infrastructure protection software companies based in India160
- Critical infrastructure protection software companies based in the United Kingdom138
- Critical infrastructure protection software companies based in Germany112
- Critical infrastructure protection software companies based in France107
- Critical infrastructure protection software companies based in Canada84
- Critical infrastructure protection software companies based in Italy72
- Critical infrastructure protection software companies based in the United Arab Emirates65
- Critical infrastructure protection software companies based in Australia64
- Critical infrastructure protection software companies based in Spain64
- Critical infrastructure protection software companies based in Israel57
- Critical infrastructure protection software companies based in Türkiye55
- Critical infrastructure protection software companies based in the Netherlands53
- Critical infrastructure protection software companies based in Mexico50
- Critical infrastructure protection software companies based in Poland33
- Critical infrastructure protection software companies based in Chile32
- Critical infrastructure protection software companies based in Saudi Arabia29
- Critical infrastructure protection software companies based in South Africa29
- Critical infrastructure protection software companies based in Sweden28
- Critical infrastructure protection software companies based in Switzerland26
Cities
Questions about this company list
What does Exact match mean for critical infrastructure protection software 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 protection software companies did RevenueBase find worldwide?
The saved snapshot records 3,214 matching company records, 92,415 tracked contacts and 35,527 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: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 critical infrastructure protection software companies worldwide. Snapshot: September 27, 2026. https://revenuebase.ai/companies/browse/critical-infrastructure-protection-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗