Company lists · Data refreshed September 2026
Top 25 Provider for ot network security audit firms worldwide
RevenueBase identified 1,966 company matches for provider for ot network security audit firms worldwide as of September 2026 and tracks 20,664 professional contacts across them, including 5,185 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for provider for ot network security audit firms 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 21, 2026. Country and city lists for provider for ot network security audit firms 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 provider for ot network security audit firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 21, 2026 · View company records in RevenueBase | |||||
| 2 | 705 contacts → | ||||
Exact match “Get a free, powerful security assessment with personalised recommendations, the same analysis that costs from IT Consultancies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 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 21, 2026 · View company records in RevenueBase | |||||
| 4 | 363 contacts → | ||||
Exact match “eSec Forte® Technologies is a CMMi Level 3 certified Global Consulting and IT Security Services company with offerings across Cloud Security, Cyber Forensics, Malware Detection…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 335 contacts → | ||||
Exact match “T A L A K U N C H I Networks Pvt.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 259 contacts → | ||||
Exact match “TXOne Networks is the operations-first OT security partner.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 235 contacts → | ||||
Exact match “AKS IT Services (an ISO 9001:2015 and ISO 27001:2013 certified company) is a leading IT Security Services and Solutions provider with over 7500 clients.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 192 contacts → | ||||
Exact match “DAGMA Bezpieczeństwo IT to firma z 40-letnim doświadczeniem, specjalizująca się w cyberbezpieczeństwie.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 171 contacts → | ||||
Exact match “Synacktiv is an offensive security company founded in 2012 by several security experts.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 170 contacts → | ||||
Exact match “Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 167 contacts → | ||||
Exact match “We believe resilience depends on minimizing and managing the increasing risks facing the critical infrastructure and industrial systems that support our country, companies, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 162 contacts → | ||||
Exact match “Founded in 2008 by seasoned cybersecurity professionals, Firmus is an industry leader in delivering advanced cybersecurity services and solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 156 contacts → | ||||
Exact match “At Payatu we believe in following one’s passion and with that thought, we have created a world class team of researchers and executors who are bending the rules to provide state…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 145 contacts → | ||||
Exact match “Secure & IT es una empresa especializada en seguridad de la información que trabaja en cinco líneas: compliance, procesos y gobierno IT, sistemas y seguridad IT, seguridad…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 138 contacts → | ||||
Exact match “Cadre is a network and information security solutions provider that serves large and medium-sized firms.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 130 contacts → | ||||
Exact match “Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 125 contacts → | ||||
Exact match “Varutra Consulting, an InfoShare company, is a globally recognized cybersecurity firm delivering cutting-edge solutions in Cloud Security, Mobile Security, Application Security…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 122 contacts → | ||||
Exact match “Acer Cyber Security Inc.(ACSI) is founded in We provide professional digital information management services for businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 116 contacts → | ||||
Exact match “Foxguard delivers comprehensive OT Cyber Security and Compute Solutions tailored to meet the unique needs of critical infrastructures.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 115 contacts → | ||||
Exact match “TraceSecurity is a leading cybersecurity services company, providing a broad range of services and solutions in IT security compliance, risk and vulnerability management, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 113 contacts → | ||||
Exact match “Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 111 contacts → | ||||
Exact match “DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 107 contacts → | ||||
Exact match “IOActive is a trusted partner for Global enterprises, providing research-fueled security services across all industries.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 107 contacts → | ||||
Exact match “Since 1996, we help companies to improve their cybersecurity posture.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 106 contacts → | ||||
Exact match “ACET SOLUTIONS is a global OT Cybersecurity and Digital Transformation company serving the critical infrastructure industries.” Recorded in the RevenueBase company graph · Sep 21, 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 “provider for ot network security audit firms”. 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 1,966 provider for ot network security audit firms worldwide
See the full list, filter by size, metro and specialty, and access 5,185 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Provider for ot network security audit firms worldwide at a glance
As of Sep 21, 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 provider for ot network security audit firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “provider for ot network security audit firms” 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 5,185 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 21, 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.
Provider for ot network security audit firms by location
13 lists · largest firstEvery Provider for ot network security audit firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Provider for ot network security audit firms based in the United States366
- Provider for ot network security audit firms based in India170
- Provider for ot network security audit firms based in France120
- Provider for ot network security audit firms based in the United Kingdom99
- Provider for ot network security audit firms based in Germany76
- Provider for ot network security audit firms based in Canada57
- Provider for ot network security audit firms based in the Netherlands51
- Provider for ot network security audit firms based in Spain45
- Provider for ot network security audit firms based in Brazil42
- Provider for ot network security audit firms based in Australia38
- Provider for ot network security audit firms based in Belgium35
- Provider for ot network security audit firms based in Poland29
- Provider for ot network security audit firms based in Switzerland27
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 “provider for ot network security audit firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many provider for ot network security audit firms are there worldwide?
RevenueBase identified 1,966 company matches for provider for ot network security audit firms 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?
PAS tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most provider for ot network security audit firms?
The United States leads with 366 companies, followed by India (170) and France (120). Every provider for ot network security audit firms list by country and city is linked on this page.
Which city has the most provider for ot network security audit firms?
London leads with 39 company records, followed by Paris (29) and Sao Paulo (15).
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 5,185 professional contacts with verified work emails tracked across these 1,966 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,966 provider for ot network security audit firms 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.
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Company intelligence · public preview
Top 25 provider for ot network security audit firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,966 matching company records for provider for ot network security audit firms worldwide, with 20,664 tracked contacts and 5,185 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 21, 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 provider for ot network security audit firms 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 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  COBRAaudit.amazingsupport.co.ukHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 705 contacts → |
“Get a free, powerful security assessment with personalised recommendations, the same analysis that costs from IT Consultancies.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Esec Forte Technologiesesecforte.comHQ: Gurugram, IndiaReported employees: 201-500 | Gurugram, India | 201-500 | Exact match | 363 contacts → |
“eSec Forte® Technologies is a CMMi Level 3 certified Global Consulting and IT Security Services company with offerings across Cloud Security, Cyber Forensics, Malware Detection…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Talakunchi Networks PVT LTDtalakunchi.comHQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 335 contacts → |
“T A L A K U N C H I Networks Pvt.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Txone Networkstxone.comHQ: Taipei City, MexicoReported employees: 201-500 | Taipei City, Mexico | 201-500 | Exact match | 259 contacts → |
“TXOne Networks is the operations-first OT security partner.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  AKS Information Technology Servicesaksitservices.co.inHQ: Noida, IndiaReported employees: 201-500 | Noida, India | 201-500 | Exact match | 235 contacts → |
“AKS IT Services (an ISO 9001:2015 and ISO 27001:2013 certified company) is a leading IT Security Services and Solutions provider with over 7500 clients.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  DAGMAdagma.euHQ: Katowice, PolandReported employees: 201-500 | Katowice, Poland | 201-500 | Exact match | 192 contacts → |
“DAGMA Bezpieczeństwo IT to firma z 40-letnim doświadczeniem, specjalizująca się w cyberbezpieczeństwie.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Synacktivsynacktiv.comHQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 171 contacts → |
“Synacktiv is an offensive security company founded in 2012 by several security experts.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Ampcus Cyberampcuscyber.comHQ: Chantilly, VA, United StatesReported employees: 1,001-5,000 | Chantilly, VA, United States | 1,001-5,000 | Exact match | 170 contacts → |
“Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  RMC Globalrmcglobal.comHQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 167 contacts → |
“We believe resilience depends on minimizing and managing the increasing risks facing the critical infrastructure and industrial systems that support our country, companies, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Firmusfirmussec.comHQ: Kuala Lumpur, MalaysiaReported employees: 51-200 | Kuala Lumpur, Malaysia | 51-200 | Exact match | 162 contacts → |
“Founded in 2008 by seasoned cybersecurity professionals, Firmus is an industry leader in delivering advanced cybersecurity services and solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Payatupayatu.comHQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 156 contacts → |
“At Payatu we believe in following one’s passion and with that thought, we have created a world class team of researchers and executors who are bending the rules to provide state…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Secure&itsecureit.esHQ: Las Rozas De Madrid, SpainReported employees: 51-200 | Las Rozas De Madrid, Spain | 51-200 | Exact match | 145 contacts → |
“Secure & IT es una empresa especializada en seguridad de la información que trabaja en cinco líneas: compliance, procesos y gobierno IT, sistemas y seguridad IT, seguridad…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Cadre Information Securitycadre.netHQ: Cincinnati, OH, United StatesReported employees: 51-200 | Cincinnati, OH, United States | 51-200 | Exact match | 138 contacts → |
“Cadre is a network and information security solutions provider that serves large and medium-sized firms.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  USD AGusd.deHQ: Neu-isenburg, GermanyReported employees: 51-200 | Neu-isenburg, Germany | 51-200 | Exact match | 130 contacts → |
“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Varutra Consultingvarutra.comHQ: Mission Viejo, CA, United StatesReported employees: 201-500 | Mission Viejo, CA, United States | 201-500 | Exact match | 125 contacts → |
“Varutra Consulting, an InfoShare company, is a globally recognized cybersecurity firm delivering cutting-edge solutions in Cloud Security, Mobile Security, Application Security…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Acer Cyber Security INCacercsi.comHQ: 台北市, TaiwanReported employees: 51-200 | 台北市, Taiwan | 51-200 | Exact match | 122 contacts → |
“Acer Cyber Security Inc.(ACSI) is founded in We provide professional digital information management services for businesses.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Foxguardfoxguardsolutions.comHQ: Christiansburg, VA, United StatesReported employees: 51-200 | Christiansburg, VA, United States | 51-200 | Exact match | 116 contacts → |
“Foxguard delivers comprehensive OT Cyber Security and Compute Solutions tailored to meet the unique needs of critical infrastructures.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Tracesecuritytracesecurity.comHQ: Baton Rouge, LA, United StatesReported employees: 51-200 | Baton Rouge, LA, United States | 51-200 | Exact match | 115 contacts → |
“TraceSecurity is a leading cybersecurity services company, providing a broad range of services and solutions in IT security compliance, risk and vulnerability management, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Strategic Securitystrategicsec.comHQ: Alexandria, VA, United StatesReported employees: Not recorded | Alexandria, VA, United States | Not recorded | Exact match | 113 contacts → |
“Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Directdefensedirectdefense.comHQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 111 contacts → |
“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Ioactive, INCioactive.comHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 107 contacts → |
“IOActive is a trusted partner for Global enterprises, providing research-fueled security services across all industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Lightechlightech.bizHQ: Capital Federal, ArgentinaReported employees: 51-200 | Capital Federal, Argentina | 51-200 | Exact match | 107 contacts → |
“Since 1996, we help companies to improve their cybersecurity posture.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Acet Solutionsacetsolutions.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 106 contacts → |
“ACET SOLUTIONS is a global OT Cybersecurity and Digital Transformation company serving the critical infrastructure industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,966 company matches
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Provider for ot network security audit firms: dataset insights
September 21, 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
1,965 records in the displayed employee bands.
1 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 1,966 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 21, 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 ↗
Provider for ot network security audit firms by location
13 lists · largest firstEvery Provider for ot network security audit firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Provider for ot network security audit firms based in the United States366
- Provider for ot network security audit firms based in India170
- Provider for ot network security audit firms based in France120
- Provider for ot network security audit firms based in the United Kingdom99
- Provider for ot network security audit firms based in Germany76
- Provider for ot network security audit firms based in Canada57
- Provider for ot network security audit firms based in the Netherlands51
- Provider for ot network security audit firms based in Spain45
- Provider for ot network security audit firms based in Brazil42
- Provider for ot network security audit firms based in Australia38
- Provider for ot network security audit firms based in Belgium35
- Provider for ot network security audit firms based in Poland29
- Provider for ot network security audit firms based in Switzerland27
Questions about this company list
What does Exact match mean for provider for ot network security audit firms?
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 provider for ot network security audit firms did RevenueBase find worldwide?
The saved snapshot records 1,966 matching company records, 20,664 tracked contacts and 5,185 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 21, 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 provider for ot network security audit firms worldwide. Snapshot: September 21, 2026. https://revenuebase.ai/companies/browse/provider-for-ot-network-security-audit-firms.
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 provider for ot network security audit firms worldwide
RevenueBase records 1,966 matching company records for provider for ot network security audit firms worldwide, with 20,664 tracked contacts and 5,185 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 21, 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 provider for ot network security audit firms 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 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | COBRAaudit.amazingsupport.co.uk HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 705 contacts → |
“Get a free, powerful security assessment with personalised recommendations, the same analysis that costs from IT Consultancies.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Esec Forte Technologiesesecforte.com HQ: Gurugram, IndiaReported employees: 201-500 | Gurugram, India | 201-500 | Exact match | 363 contacts → |
“eSec Forte® Technologies is a CMMi Level 3 certified Global Consulting and IT Security Services company with offerings across Cloud Security, Cyber Forensics, Malware Detection…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Talakunchi Networks PVT LTDtalakunchi.com HQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 335 contacts → |
“T A L A K U N C H I Networks Pvt.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Txone Networkstxone.com HQ: Taipei City, MexicoReported employees: 201-500 | Taipei City, Mexico | 201-500 | Exact match | 259 contacts → |
“TXOne Networks is the operations-first OT security partner.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | AKS Information Technology Servicesaksitservices.co.in HQ: Noida, IndiaReported employees: 201-500 | Noida, India | 201-500 | Exact match | 235 contacts → |
“AKS IT Services (an ISO 9001:2015 and ISO 27001:2013 certified company) is a leading IT Security Services and Solutions provider with over 7500 clients.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | DAGMAdagma.eu HQ: Katowice, PolandReported employees: 201-500 | Katowice, Poland | 201-500 | Exact match | 192 contacts → |
“DAGMA Bezpieczeństwo IT to firma z 40-letnim doświadczeniem, specjalizująca się w cyberbezpieczeństwie.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Synacktivsynacktiv.com HQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 171 contacts → |
“Synacktiv is an offensive security company founded in 2012 by several security experts.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Ampcus Cyberampcuscyber.com HQ: Chantilly, VA, United StatesReported employees: 1,001-5,000 | Chantilly, VA, United States | 1,001-5,000 | Exact match | 170 contacts → |
“Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | RMC Globalrmcglobal.com HQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 167 contacts → |
“We believe resilience depends on minimizing and managing the increasing risks facing the critical infrastructure and industrial systems that support our country, companies, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Firmusfirmussec.com HQ: Kuala Lumpur, MalaysiaReported employees: 51-200 | Kuala Lumpur, Malaysia | 51-200 | Exact match | 162 contacts → |
“Founded in 2008 by seasoned cybersecurity professionals, Firmus is an industry leader in delivering advanced cybersecurity services and solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Payatupayatu.com HQ: Pune, IndiaReported employees: 51-200 | Pune, India | 51-200 | Exact match | 156 contacts → |
“At Payatu we believe in following one’s passion and with that thought, we have created a world class team of researchers and executors who are bending the rules to provide state…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Secure&itsecureit.es HQ: Las Rozas De Madrid, SpainReported employees: 51-200 | Las Rozas De Madrid, Spain | 51-200 | Exact match | 145 contacts → |
“Secure & IT es una empresa especializada en seguridad de la información que trabaja en cinco líneas: compliance, procesos y gobierno IT, sistemas y seguridad IT, seguridad…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Cadre Information Securitycadre.net HQ: Cincinnati, OH, United StatesReported employees: 51-200 | Cincinnati, OH, United States | 51-200 | Exact match | 138 contacts → |
“Cadre is a network and information security solutions provider that serves large and medium-sized firms.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | USD AGusd.de HQ: Neu-isenburg, GermanyReported employees: 51-200 | Neu-isenburg, Germany | 51-200 | Exact match | 130 contacts → |
“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Varutra Consultingvarutra.com HQ: Mission Viejo, CA, United StatesReported employees: 201-500 | Mission Viejo, CA, United States | 201-500 | Exact match | 125 contacts → |
“Varutra Consulting, an InfoShare company, is a globally recognized cybersecurity firm delivering cutting-edge solutions in Cloud Security, Mobile Security, Application Security…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Acer Cyber Security INCacercsi.com HQ: 台北市, TaiwanReported employees: 51-200 | 台北市, Taiwan | 51-200 | Exact match | 122 contacts → |
“Acer Cyber Security Inc.(ACSI) is founded in We provide professional digital information management services for businesses.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Foxguardfoxguardsolutions.com HQ: Christiansburg, VA, United StatesReported employees: 51-200 | Christiansburg, VA, United States | 51-200 | Exact match | 116 contacts → |
“Foxguard delivers comprehensive OT Cyber Security and Compute Solutions tailored to meet the unique needs of critical infrastructures.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Tracesecuritytracesecurity.com HQ: Baton Rouge, LA, United StatesReported employees: 51-200 | Baton Rouge, LA, United States | 51-200 | Exact match | 115 contacts → |
“TraceSecurity is a leading cybersecurity services company, providing a broad range of services and solutions in IT security compliance, risk and vulnerability management, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Strategic Securitystrategicsec.com HQ: Alexandria, VA, United StatesReported employees: Not recorded | Alexandria, VA, United States | Not recorded | Exact match | 113 contacts → |
“Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Directdefensedirectdefense.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 111 contacts → |
“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ioactive, INCioactive.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 107 contacts → |
“IOActive is a trusted partner for Global enterprises, providing research-fueled security services across all industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Lightechlightech.biz HQ: Capital Federal, ArgentinaReported employees: 51-200 | Capital Federal, Argentina | 51-200 | Exact match | 107 contacts → |
“Since 1996, we help companies to improve their cybersecurity posture.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Acet Solutionsacetsolutions.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 106 contacts → |
“ACET SOLUTIONS is a global OT Cybersecurity and Digital Transformation company serving the critical infrastructure industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,966 company matches
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Provider for ot network security audit firms: dataset insights
September 21, 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
1,965 records in the displayed employee bands.
1 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 1,966 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 21, 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 ↗
Provider for ot network security audit firms by location
13 lists · largest firstEvery Provider for ot network security audit firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Provider for ot network security audit firms based in the United States366
- Provider for ot network security audit firms based in India170
- Provider for ot network security audit firms based in France120
- Provider for ot network security audit firms based in the United Kingdom99
- Provider for ot network security audit firms based in Germany76
- Provider for ot network security audit firms based in Canada57
- Provider for ot network security audit firms based in the Netherlands51
- Provider for ot network security audit firms based in Spain45
- Provider for ot network security audit firms based in Brazil42
- Provider for ot network security audit firms based in Australia38
- Provider for ot network security audit firms based in Belgium35
- Provider for ot network security audit firms based in Poland29
- Provider for ot network security audit firms based in Switzerland27
Questions about this company list
What does Exact match mean for provider for ot network security audit firms?
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 provider for ot network security audit firms did RevenueBase find worldwide?
The saved snapshot records 1,966 matching company records, 20,664 tracked contacts and 5,185 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 21, 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.
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Cite this list
RevenueBase Data Team. Top 25 provider for ot network security audit firms worldwide. Snapshot: September 21, 2026. https://revenuebase.ai/companies/browse/provider-for-ot-network-security-audit-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗