Company lists · Data refreshed September 2026
Top 25 Operational technology security consultants worldwide
RevenueBase identified 1,199 company matches for operational technology security consultants worldwide as of September 2026 and tracks 17,737 professional contacts across them, including 5,853 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for operational technology security consultants 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 29, 2026. Country and city lists for operational technology security consultants 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 operational technology security consultants worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,093 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 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 29, 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 29, 2026 · View company records in RevenueBase | |||||
| 4 | 393 contacts → | ||||
Exact match “Equans Digital connects OT, IT and data to make your infrastructures truly controllable.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 388 contacts → | ||||
Exact match “ITSEC Asia is a leading cybersecurity company in Indonesia, listed on the Indonesian Stock Exchange (“CYBR”), with over 400 employees across five countries.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 351 contacts → | ||||
Exact match “What we do | With a focus on operational technology and digital transformation, Capula has been a leader in advanced system integration for decades; optimising efficiency &…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 259 contacts → | ||||
Exact match “TXOne Networks is the operations-first OT security partner.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 168 contacts → | ||||
Exact match “Sapphire delivers comprehensive cyber solutions tailored to your needs, spanning across consultancy, managed services, IT/OT and beyond.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 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 29, 2026 · View company records in RevenueBase | |||||
| 10 | 166 contacts → | ||||
Exact match “CyberPWN is a pure-play cybersecurity consultancy and advisory firm With extensive experience in the cybersecurity field and a consultative approach, we are committed to ensuring…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 146 contacts → | ||||
Exact match “It is led by a group of information security specialists with extensive experience in large local and international companies, whose professional development has begun in one of…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 138 contacts → | ||||
Exact match “Netsecurity is a dedicated cyber security company that helps companies before, during and after an attack.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 129 contacts → | ||||
Exact match “Former military officers who stood up U.S.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 127 contacts → | ||||
Exact match “Nixu is now DNV Cyber.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 126 contacts → | ||||
Exact match “GLOBAL ENGINEERING DELIVERY WITH OFFICES IN USA, CANADA AND AUSTRALIA Our mission is to provide high-quality control system solutions to enhance operational performance and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 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 29, 2026 · View company records in RevenueBase | |||||
| 17 | 110 contacts → | ||||
Exact match “IT Security Consulting and Deployment- Sofistic is a cybersecurity company, born from researchers in this field, with offices in USA, Spain, Panama, Colombia, Chile and the…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 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 29, 2026 · View company records in RevenueBase | |||||
| 19 | 106 contacts → | ||||
Exact match “Tribastion Technologies Pvt Ltd specializes in delivering comprehensive cyber security consulting and managed security services to individuals and organizations.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 104 contacts → | ||||
Exact match “Somos una empresa especializada en seguridad de la información.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 103 contacts → | ||||
Exact match “Companies around the world turn to exida for help and guidance related to functional safety, alarm management, and cybersecurity.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 102 contacts → | ||||
Exact match “EverLine provides fully-integrated compliance, SCADA/IT, control room and security services to more than 200 customers nationwide through a unique Technical Stack.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 87 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 86 contacts → | ||||
Exact match “Dispel delivers security that makes industrial operations run faster.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 84 contacts → | ||||
Exact match “Intellect Systems is an end-to-end Operational Technology solution provider, specialising in Control Systems, Electrical Engineering, Communications, and Industrial IT…” Recorded in the RevenueBase company graph · Sep 29, 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 “operational technology security consultants”. 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 1,199 operational technology security consultants worldwide
See the full list, filter by size, metro and specialty, and access 5,853 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Operational technology security consultants worldwide at a glance
As of Sep 29, 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 operational technology security consultants are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “operational technology security consultants” 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 5,853 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 29, 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.
Operational technology security consultants by location
11 lists · largest firstEvery Operational technology security consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Operational technology security consultants based in the United States219
- Operational technology security consultants based in Germany72
- Operational technology security consultants based in the United Kingdom68
- Operational technology security consultants based in Australia48
- Operational technology security consultants based in Canada46
- Operational technology security consultants based in India44
- Operational technology security consultants based in France36
- Operational technology security consultants based in the Netherlands32
- Operational technology security consultants based in Brazil30
- Operational technology security consultants based in Spain30
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 “operational technology security consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many operational technology security consultants are there worldwide?
RevenueBase identified 1,199 company matches for operational technology security consultants 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?
EOH tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most operational technology security consultants?
The United States leads with 219 companies, followed by Germany (72) and the United Kingdom (68). Every operational technology security consultants list by country and city is linked on this page.
Which city has the most operational technology security consultants?
London leads with 37 company records, followed by Houston (19) and Calgary (12).
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 5,853 professional contacts with verified work emails tracked across these 1,199 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,199 operational technology security consultants worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
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 operational technology security consultants worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,199 matching company records for operational technology security consultants worldwide, with 17,737 tracked contacts and 5,853 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 29, 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 operational technology security consultants 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 |  EOHioco.techHQ: Johannesburg, South AfricaReported employees: 1,001-5,000 | Johannesburg, South Africa | 1,001-5,000 | Exact match | 2,093 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 |  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 29, 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Equans Digitalequans-digital.comHQ: Courbevoie, FranceReported employees: 5,001-10,000 | Courbevoie, France | 5,001-10,000 | Exact match | 393 contacts → |
“Equans Digital connects OT, IT and data to make your infrastructures truly controllable.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  PT Itsec Asia TBKitsec.asiaHQ: Jakarta, IndonesiaReported employees: 201-500 | Jakarta, Indonesia | 201-500 | Exact match | 388 contacts → |
“ITSEC Asia is a leading cybersecurity company in Indonesia, listed on the Indonesian Stock Exchange (“CYBR”), with over 400 employees across five countries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Capulacapula.comHQ: Stone, United KingdomReported employees: 201-500 | Stone, United Kingdom | 201-500 | Exact match | 351 contacts → |
“What we do | With a focus on operational technology and digital transformation, Capula has been a leader in advanced system integration for decades; optimising efficiency &…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sapphiresapphire.netHQ: Newcastle Upon Tyne, United KingdomReported employees: 51-200 | Newcastle Upon Tyne, United Kingdom | 51-200 | Exact match | 168 contacts → |
“Sapphire delivers comprehensive cyber solutions tailored to your needs, spanning across consultancy, managed services, IT/OT and beyond.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Cyberpwn Technologiescyberpwn.comHQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 166 contacts → |
“CyberPWN is a pure-play cybersecurity consultancy and advisory firm With extensive experience in the cybersecurity field and a consultative approach, we are committed to ensuring…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Penta Security Solutionspsscorp.techHQ: Comuna 15, ArgentinaReported employees: 51-200 | Comuna 15, Argentina | 51-200 | Exact match | 146 contacts → |
“It is led by a group of information security specialists with extensive experience in large local and international companies, whose professional development has begun in one of…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Netsecuritynetsecurity.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 138 contacts → |
“Netsecurity is a dedicated cyber security company that helps companies before, during and after an attack.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Shift5shift5.ioHQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 129 contacts → |
“Former military officers who stood up U.S.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Nixu Corporationdnv.comHQ: Espoo, FinlandReported employees: 501-1,000 | Espoo, Finland | 501-1,000 | Exact match | 127 contacts → |
“Nixu is now DNV Cyber.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  MIPACmipac.globalHQ: Brisbane, AustraliaReported employees: 51-200 | Brisbane, Australia | 51-200 | Exact match | 126 contacts → |
“GLOBAL ENGINEERING DELIVERY WITH OFFICES IN USA, CANADA AND AUSTRALIA Our mission is to provide high-quality control system solutions to enhance operational performance and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Sofistic Cybersecuritysofistic.comHQ: Castellón De La Plana, SpainReported employees: 201-500 | Castellón De La Plana, Spain | 201-500 | Exact match | 110 contacts → |
“IT Security Consulting and Deployment- Sofistic is a cybersecurity company, born from researchers in this field, with offices in USA, Spain, Panama, Colombia, Chile and the…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Tribastion Technologiestribastion.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 106 contacts → |
“Tribastion Technologies Pvt Ltd specializes in delivering comprehensive cyber security consulting and managed security services to individuals and organizations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Silent4businesssilent4business.comHQ: Cdmx, MexicoReported employees: 51-200 | Cdmx, Mexico | 51-200 | Exact match | 104 contacts → |
“Somos una empresa especializada en seguridad de la información.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  EXIDAexida.comHQ: Sellersville, PA, United StatesReported employees: 51-200 | Sellersville, PA, United States | 51-200 | Exact match | 103 contacts → |
“Companies around the world turn to exida for help and guidance related to functional safety, alarm management, and cybersecurity.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Everlineeverlineus.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 102 contacts → |
“EverLine provides fully-integrated compliance, SCADA/IT, control room and security services to more than 200 customers nationwide through a unique Technical Stack.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Inspira Enterprise India Private Limitedinspira.co.in HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 87 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Dispeldispel.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 86 contacts → |
“Dispel delivers security that makes industrial operations run faster.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Intellect Systemsintellectsystems.com.auHQ: Perth, AustraliaReported employees: 51-200 | Perth, Australia | 51-200 | Exact match | 84 contacts → |
“Intellect Systems is an end-to-end Operational Technology solution provider, specialising in Control Systems, Electrical Engineering, Communications, and Industrial IT…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,199 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Operational technology security consultants: dataset insights
September 29, 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
1,198 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 1,199 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 29, 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 ↗
Operational technology security consultants by location
11 lists · largest firstEvery Operational technology security consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Operational technology security consultants based in the United States219
- Operational technology security consultants based in Germany72
- Operational technology security consultants based in the United Kingdom68
- Operational technology security consultants based in Australia48
- Operational technology security consultants based in Canada46
- Operational technology security consultants based in India44
- Operational technology security consultants based in France36
- Operational technology security consultants based in the Netherlands32
- Operational technology security consultants based in Brazil30
- Operational technology security consultants based in Spain30
Cities
Questions about this company list
What does Exact match mean for operational technology security consultants?
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 operational technology security consultants did RevenueBase find worldwide?
The saved snapshot records 1,199 matching company records, 17,737 tracked contacts and 5,853 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 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 operational technology security consultants worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/operational-technology-security-consultants.
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 operational technology security consultants worldwide
RevenueBase records 1,199 matching company records for operational technology security consultants worldwide, with 17,737 tracked contacts and 5,853 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 29, 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 operational technology security consultants 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 | EOHioco.tech HQ: Johannesburg, South AfricaReported employees: 1,001-5,000 | Johannesburg, South Africa | 1,001-5,000 | Exact match | 2,093 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 | 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 29, 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Equans Digitalequans-digital.com HQ: Courbevoie, FranceReported employees: 5,001-10,000 | Courbevoie, France | 5,001-10,000 | Exact match | 393 contacts → |
“Equans Digital connects OT, IT and data to make your infrastructures truly controllable.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | PT Itsec Asia TBKitsec.asia HQ: Jakarta, IndonesiaReported employees: 201-500 | Jakarta, Indonesia | 201-500 | Exact match | 388 contacts → |
“ITSEC Asia is a leading cybersecurity company in Indonesia, listed on the Indonesian Stock Exchange (“CYBR”), with over 400 employees across five countries.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Capulacapula.com HQ: Stone, United KingdomReported employees: 201-500 | Stone, United Kingdom | 201-500 | Exact match | 351 contacts → |
“What we do | With a focus on operational technology and digital transformation, Capula has been a leader in advanced system integration for decades; optimising efficiency &…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sapphiresapphire.net HQ: Newcastle Upon Tyne, United KingdomReported employees: 51-200 | Newcastle Upon Tyne, United Kingdom | 51-200 | Exact match | 168 contacts → |
“Sapphire delivers comprehensive cyber solutions tailored to your needs, spanning across consultancy, managed services, IT/OT and beyond.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Cyberpwn Technologiescyberpwn.com HQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 166 contacts → |
“CyberPWN is a pure-play cybersecurity consultancy and advisory firm With extensive experience in the cybersecurity field and a consultative approach, we are committed to ensuring…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Penta Security Solutionspsscorp.tech HQ: Comuna 15, ArgentinaReported employees: 51-200 | Comuna 15, Argentina | 51-200 | Exact match | 146 contacts → |
“It is led by a group of information security specialists with extensive experience in large local and international companies, whose professional development has begun in one of…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Netsecuritynetsecurity.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 138 contacts → |
“Netsecurity is a dedicated cyber security company that helps companies before, during and after an attack.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Shift5shift5.io HQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 129 contacts → |
“Former military officers who stood up U.S.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Nixu Corporationdnv.com HQ: Espoo, FinlandReported employees: 501-1,000 | Espoo, Finland | 501-1,000 | Exact match | 127 contacts → |
“Nixu is now DNV Cyber.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | MIPACmipac.global HQ: Brisbane, AustraliaReported employees: 51-200 | Brisbane, Australia | 51-200 | Exact match | 126 contacts → |
“GLOBAL ENGINEERING DELIVERY WITH OFFICES IN USA, CANADA AND AUSTRALIA Our mission is to provide high-quality control system solutions to enhance operational performance and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sofistic Cybersecuritysofistic.com HQ: Castellón De La Plana, SpainReported employees: 201-500 | Castellón De La Plana, Spain | 201-500 | Exact match | 110 contacts → |
“IT Security Consulting and Deployment- Sofistic is a cybersecurity company, born from researchers in this field, with offices in USA, Spain, Panama, Colombia, Chile and the…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Tribastion Technologiestribastion.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 106 contacts → |
“Tribastion Technologies Pvt Ltd specializes in delivering comprehensive cyber security consulting and managed security services to individuals and organizations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Silent4businesssilent4business.com HQ: Cdmx, MexicoReported employees: 51-200 | Cdmx, Mexico | 51-200 | Exact match | 104 contacts → |
“Somos una empresa especializada en seguridad de la información.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | EXIDAexida.com HQ: Sellersville, PA, United StatesReported employees: 51-200 | Sellersville, PA, United States | 51-200 | Exact match | 103 contacts → |
“Companies around the world turn to exida for help and guidance related to functional safety, alarm management, and cybersecurity.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Everlineeverlineus.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 102 contacts → |
“EverLine provides fully-integrated compliance, SCADA/IT, control room and security services to more than 200 customers nationwide through a unique Technical Stack.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Inspira Enterprise India Private Limitedinspira.co.in HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 87 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Dispeldispel.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 86 contacts → |
“Dispel delivers security that makes industrial operations run faster.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Intellect Systemsintellectsystems.com.au HQ: Perth, AustraliaReported employees: 51-200 | Perth, Australia | 51-200 | Exact match | 84 contacts → |
“Intellect Systems is an end-to-end Operational Technology solution provider, specialising in Control Systems, Electrical Engineering, Communications, and Industrial IT…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,199 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Operational technology security consultants: dataset insights
September 29, 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
1,198 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 1,199 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 29, 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 ↗
Operational technology security consultants by location
11 lists · largest firstEvery Operational technology security consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Operational technology security consultants based in the United States219
- Operational technology security consultants based in Germany72
- Operational technology security consultants based in the United Kingdom68
- Operational technology security consultants based in Australia48
- Operational technology security consultants based in Canada46
- Operational technology security consultants based in India44
- Operational technology security consultants based in France36
- Operational technology security consultants based in the Netherlands32
- Operational technology security consultants based in Brazil30
- Operational technology security consultants based in Spain30
Cities
Questions about this company list
What does Exact match mean for operational technology security consultants?
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 operational technology security consultants did RevenueBase find worldwide?
The saved snapshot records 1,199 matching company records, 17,737 tracked contacts and 5,853 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 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 operational technology security consultants worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/operational-technology-security-consultants.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗